46:"/_next/static/chunks/2g8w-80ml0qgh.js" 47:"/_next/static/chunks/0iv56yrji_20j.js" 48:"/_next/static/chunks/26v-2o8eqscfn.js" 49:"/_next/static/chunks/0lc44eilyyvky.js" 4a:"/_next/static/chunks/1jl6tco-uuy-j.js" 4b:"/_next/static/chunks/1ot1rbfa0d_n4.js" 4c:"/_next/static/chunks/3n7h0f3nk8y8p.js" 4d:"/_next/static/chunks/3k2gyg36fnag_.js" 4e:"/_next/static/chunks/3m0r7x0jt5wm7.js" 4f:"/_next/static/chunks/2fohwszm1xz1m.js" 50:"/_next/static/chunks/3bgoyiso1rhn7.js" 51:"/_next/static/chunks/19bc9syhv3w28.js" 52:"/_next/static/chunks/0wa9m1-tphf9u.js" 53:"/_next/static/chunks/0m2d8jznc9t02.js" 54:"/_next/static/chunks/1xu72k8i0p_ma.js" 55:"/_next/static/chunks/2a1rt036gjwtj.js" 56:"/_next/static/chunks/1s05-oinjbm85.js" 57:"/_next/static/chunks/20k3408cq3fwt.js" 58:"/_next/static/chunks/1_lo_qve3gu86.js" 59:"/_next/static/chunks/3di53f0fz7pw_.js" 5a:"/_next/static/chunks/3m1xjj5kw5fie.js" 5b:"/_next/static/chunks/0so1i35v7xcta.js" 5c:"/_next/static/chunks/082jo-0ajazgr.js" 5d:"/_next/static/chunks/0-a64pg0hn7g7.js" 5e:"/_next/static/chunks/09nq57stwzkgf.js" 5f:"/_next/static/chunks/20329i6m_04t6.js" 60:"/_next/static/chunks/0i3-eynrkvqi7.js" 61:"/_next/static/chunks/0oag6lffx7d01.js" 62:"/_next/static/chunks/1nyz-fz1mk3y6.js" 63:"/_next/static/chunks/1dl4k5870muic.js" 64:"/_next/static/chunks/2ozcrjb_hh74t.js" 65:"/_next/static/chunks/18ggtgz2yf759.js" 66:"/_next/static/chunks/1tn-0fivsxsv1.js" 67:"/_next/static/chunks/0hlb44ca7-4a2.js" 68:"/_next/static/chunks/1ch_-e7_eco00.js" 69:"/_next/static/chunks/40mq7ggq-ozo4.js" 6a:"/_next/static/chunks/2112y_x317i7a.js" 6b:"/_next/static/chunks/2k8pepwc4pxns.js" 6c:"/_next/static/chunks/2hr13i-t0krnb.js" 6d:"/_next/static/chunks/0hy4a31wjpabs.js" 6e:"/_next/static/chunks/2mw79vtbi206x.js" 6f:"/_next/static/chunks/253gnmj0-cj17.js" 70:I[593304,["$2c","$2d","$2e","$2f","$30","$31","$46","$47","$48","$49","$4a","$4b","$4c","$4d","$4e","$4f","$50","$51","$52","$53","$54","$55","$56","$57","$58","$59","$5a","$5b","$5c","$5d","$5e","$5f","$60","$61","$62","$63","$64","$65","$66","$67","$68","$69","$6a","$6b","$6c","$6d","$6e","$6f"],"OwnedHydration"] 71:T776,// Syntax declaration - MUST be first non-empty, non-comment line syntax = "proto3"; // Package declaration - prevents naming conflicts between projects // Maps to package in many languages (Java, Go, C#) package com.example.users.v1; // Import statements - for using definitions from other .proto files import "google/protobuf/timestamp.proto"; import "google/protobuf/wrappers.proto"; // Options customize code generation behavior option java_package = "com.example.users.v1"; option java_outer_classname = "UserProtos"; option go_package = "github.com/example/users/v1;usersv1"; // Enum definition - strongly typed enumerated values enum UserStatus { USER_STATUS_UNSPECIFIED = 0; // Proto3 requires 0 as first value USER_STATUS_ACTIVE = 1; USER_STATUS_SUSPENDED = 2; USER_STATUS_DELETED = 3; } // Message definition - the core data structure message User { // Scalar types with field numbers string id = 1; // Unique identifier string email = 2; // User email string display_name = 3; // Display name // Nested message reference UserProfile profile = 4; // Embedded profile // Repeated field (list/array) repeated string roles = 5; // User roles // Map type (associative array) map metadata = 6; // Arbitrary key-value pairs // Enum field UserStatus status = 7; // Well-known type (imported) google.protobuf.Timestamp created_at = 8; google.protobuf.Timestamp updated_at = 9; // Wrapper types for nullable primitives google.protobuf.StringValue nickname = 10; } // Nested message for profile data message UserProfile { string first_name = 1; string last_name = 2; string bio = 3; string avatar_url = 4; Address address = 5; } message Address { string street = 1; string city = 2; string state = 3; string country = 4; string postal_code = 5; }72:T7ce,// Understanding how Protobuf encodes this message: // message Example { // int32 id = 1; // field number 1 // string name = 2; // field number 2 // } // Encoded message: { id: 150, name: "test" } // Binary: 08 96 01 12 04 74 65 73 74 // Breaking it down: // // Field 1 (id = 150): // Tag: 08 = (1 << 3) | 0 = field_num 1, wire_type 0 (varint) // Value: 96 01 = 150 in varint encoding // - 0x96 = 1001 0110 (MSB set = more bytes follow) // - 0x01 = 0000 0001 (MSB clear = last byte) // - Decode: (0x16 | (0x01 << 7)) = 22 + 128 = 150 // // Field 2 (name = "test"): // Tag: 12 = (2 << 3) | 2 = field_num 2, wire_type 2 (length-delimited) // Length: 04 = 4 bytes follow // Value: 74 65 73 74 = "test" in UTF-8 function decodeVarint(buffer: Uint8Array, offset: number): [number, number] { let result = 0; let shift = 0; let bytesRead = 0; while (true) { const byte = buffer[offset + bytesRead]; bytesRead++; // Extract 7 data bits, add to result at correct position result |= (byte & 0x7F) << shift; shift += 7; // If MSB is 0, this is the last byte if ((byte & 0x80) === 0) { break; } } return [result, bytesRead]; } function parseTag(tagVarint: number): { fieldNumber: number; wireType: number } { return { fieldNumber: tagVarint >>> 3, // Upper bits = field number wireType: tagVarint & 0x07 // Lower 3 bits = wire type }; } // Example usage const encoded = new Uint8Array([0x08, 0x96, 0x01, 0x12, 0x04, 0x74, 0x65, 0x73, 0x74]); let offset = 0; // Parse first field const [tag1, tagLen1] = decodeVarint(encoded, offset); offset += tagLen1; const { fieldNumber: fn1, wireType: wt1 } = parseTag(tag1); console.log(`Field ${fn1}, WireType ${wt1}`); // Field 1, WireType 0 const [value1, valueLen1] = decodeVarint(encoded, offset); offset += valueLen1; console.log(`Value: ${value1}`); // Value: 15073:T53f,// Version 1: Initial schema message UserV1 { string id = 1; string name = 2; string email = 3; } // Version 2: Added fields, deprecated one (SAFE) message UserV2 { string id = 1; // Renamed conceptually but same field number = SAFE string display_name = 2; // was "name" in V1 string email = 3; // New fields are always SAFE to add int64 created_at = 4; repeated string roles = 5; // Mark deprecated fields (still compatible) // Old readers ignore, new readers skip } // Version 3: Removed fields properly (SAFE) message UserV3 { string id = 1; string display_name = 2; // email removed - MUST reserve the field number reserved 3; reserved "email"; // Reserve name too for documentation int64 created_at = 4; repeated string roles = 5; // More new fields UserProfile profile = 6; UserStatus status = 7; } // Evolution best practices in action: message RobustMessage { // Reserve ranges for future use reserved 1000 to 1999; // Reserved for experimental features reserved 9000 to 9999; // Reserved for internal use // Explicit defaults via wrapper types when needed google.protobuf.Int32Value optional_count = 1; // Use oneof for mutually exclusive fields oneof notification_target { string email = 2; string phone = 3; string push_token = 4; } }74:Ta1c,// Auto-generated from user.proto // DO NOT EDIT manually export interface User { id: string; email: string; displayName: string; profile: UserProfile | undefined; roles: string[]; metadata: { [key: string]: string }; status: UserStatus; createdAt: Date | undefined; updatedAt: Date | undefined; nickname: string | undefined; // wrapper type = optional } export const User = { // Encode message to binary Uint8Array encode(message: User): Uint8Array { const writer = new BinaryWriter(); if (message.id !== "") { writer.uint32(10); // (1 << 3) | 2 = tag for string field 1 writer.string(message.id); } if (message.email !== "") { writer.uint32(18); // (2 << 3) | 2 = tag for string field 2 writer.string(message.email); } // ... encoding for all fields return writer.finish(); }, // Decode binary Uint8Array to message decode(input: Uint8Array): User { const reader = new BinaryReader(input); const message = createBaseUser(); while (reader.pos < reader.len) { const tag = reader.uint32(); switch (tag >>> 3) { // Extract field number case 1: message.id = reader.string(); break; case 2: message.email = reader.string(); break; // ... decoding for all fields default: reader.skipType(tag & 7); // Skip unknown fields break; } } return message; }, // Convert to JSON-compatible object toJSON(message: User): unknown { const obj: any = {}; obj.id = message.id; obj.email = message.email; // ... conversion for all fields return obj; }, // Create from JSON-compatible object fromJSON(object: any): User { return { id: isSet(object.id) ? String(object.id) : "", email: isSet(object.email) ? String(object.email) : "", // ... parsing for all fields }; }, // Create with default values create(base?: DeepPartial): User { return User.fromPartial(base ?? {}); }, // Merge partial values into full message fromPartial(object: DeepPartial): User { const message = createBaseUser(); message.id = object.id ?? ""; message.email = object.email ?? ""; // ... for all fields return message; }, }; function createBaseUser(): User { return { id: "", email: "", displayName: "", profile: undefined, roles: [], metadata: {}, status: UserStatus.UNSPECIFIED, createdAt: undefined, updatedAt: undefined, nickname: undefined, }; }75:T529,// Example message comparison // JSON representation (122 bytes): const json = { "id": "user-12345", // 17 bytes (key + value + quotes + colon) "email": "alice@example.com", // 29 bytes "age": 28, // 10 bytes "isActive": true, // 17 bytes "roles": ["admin", "user"] // ~32 bytes // Plus: braces, commas, whitespace ≈ 17 bytes }; // Total: ~122 bytes // Protobuf representation (~47 bytes): // message User { // string id = 1; // tag(1) + len(11) + "user-12345" = 13 bytes // string email = 2; // tag(1) + len(17) + email = 19 bytes // int32 age = 3; // tag(1) + varint(28) = 2 bytes // bool is_active = 4; // tag(1) + varint(1) = 2 bytes // repeated string roles = 5; // // tag(1) + len(5) + "admin" = 7 bytes // // tag(1) + len(4) + "user" = 6 bytes // } // Total: ~47 bytes (62% smaller) // Size difference compounds with nesting and arrays: const complexJson = { users: Array(1000).fill({ id: "user-12345", email: "alice@example.com", profile: { firstName: "Alice", lastName: "Smith", preferences: { theme: "dark", language: "en" } } }) }; // JSON: ~180KB, Protobuf: ~65KB (64% reduction) // At 1M messages/second: 115 GB/hour saved in bandwidth76:T837,// PATTERN 1: Union types with oneof message Notification { string id = 1; int64 timestamp = 2; // Only ONE of these can be set at a time oneof content { TextNotification text = 10; ImageNotification image = 11; VideoNotification video = 12; ActionNotification action = 13; } } message TextNotification { string title = 1; string body = 2; } message ImageNotification { string image_url = 1; string alt_text = 2; } // PATTERN 2: Nested messages for composition message Order { string order_id = 1; Customer customer = 2; repeated LineItem items = 3; PaymentInfo payment = 4; ShippingAddress shipping = 5; // Nested message defined within parent (tightly coupled) message LineItem { string product_id = 1; int32 quantity = 2; int64 price_cents = 3; map options = 4; } } // PATTERN 3: Self-referential structures (trees, graphs) message TreeNode { string id = 1; string value = 2; repeated TreeNode children = 3; // Recursive reference } message LinkedListNode { string value = 1; LinkedListNode next = 2; // Optional self-reference } // PATTERN 4: Polymorphism via Any type import "google/protobuf/any.proto"; message Event { string event_id = 1; string event_type = 2; // Discriminator google.protobuf.Any payload = 3; // Can be any message type } // Usage: Pack specific message into Any // event.payload = Any.pack(UserCreatedEvent{...}) // PATTERN 5: Wrapper types for optional primitives import "google/protobuf/wrappers.proto"; message SearchFilters { // Can distinguish between "not provided" and "provided as 0/empty" google.protobuf.Int32Value min_price = 1; google.protobuf.Int32Value max_price = 2; google.protobuf.StringValue category = 3; google.protobuf.BoolValue in_stock_only = 4; } // PATTERN 6: API request/response wrappers message ListUsersRequest { int32 page_size = 1; string page_token = 2; string filter = 3; string order_by = 4; } message ListUsersResponse { repeated User users = 1; string next_page_token = 2; int32 total_size = 3; }45:["$","$L70",null,{"owner":"anonymous","state":{"mutations":[],"queries":[{"dehydratedAt":1792309777823,"state":{"data":{"json":{"archivedAt":null,"id":"seed_8e9996a306ee9551b4e0eb8e18423c97","slug":"hld-system-design","title":"High-Level System Design","description":"Move from architecture fundamentals to concrete system-design cases, then test consistency, failure recovery and authorization decisions through repository coding and review.","image":null,"color":"#2563EB","keyTopics":["Scalability and reliability","Distributed systems","Storage and databases","Caching and performance","Messaging and eventing","Security and observability","Cloud architecture","System design interviews"],"estimatedHours":268,"problemCount":51,"visualizerCount":0,"quizCount":0,"learningCount":268,"difficulty":"INTERMEDIATE","idealFor":["Backend engineers","Senior software developers","Architect aspirants","Interview candidates"],"prerequisites":["Basic web and backend concepts","Databases and networking fundamentals","Experience building production services"],"skillsGained":["Requirement decomposition","Scalable architecture design","Trade-off analysis","Reliability planning","Performance optimization","Interview communication"],"outcomes":["Design robust distributed systems","Choose appropriate architecture patterns","Evaluate consistency and availability trade-offs","Plan for scale, resilience, and cost","Perform strongly in HLD interviews"],"overview":"This HLD learning path builds system design intuition from first principles to large-scale architecture patterns.\n\n**What you'll learn:**\n• Requirements and constraints analysis\n• Scalability, availability, and consistency\n• Caching, load balancing, and data partitioning\n• Messaging and event-driven systems\n• Observability and security foundations\n• Real-world architecture case studies","createdAt":"2026-10-15T17:47:45.111Z","updatedAt":"2026-10-17T16:28:34.023Z","modules":[{"id":"seed_cd72c83576dd62ca09670a67e05c0bfc","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 1: Introduction To System Design","sectionOrder":1,"title":"What Is System Design?","order":1,"contentType":"LEARNING","contentSlug":"what-is-system-design","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_b32f7761f5d7f2db52111698d8b9eead","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 1: Introduction To System Design","sectionOrder":1,"title":"High-Level Design vs Low-Level Design","order":2,"contentType":"LEARNING","contentSlug":"hld-vs-lld","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_bb50779acfd07cbd55111f771af209c5","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 1: Introduction To System Design","sectionOrder":1,"title":"Why System Design Matters","order":3,"contentType":"LEARNING","contentSlug":"why-system-design-matters","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_3a2d6fd6b10f3375ff7c690b2bfe76bf","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 1: Introduction To System Design","sectionOrder":1,"title":"Thinking at Scale","order":4,"contentType":"LEARNING","contentSlug":"thinking-at-scale","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_44528401a37ff5cf31ff1f3878289865","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 1: Introduction To System Design","sectionOrder":1,"title":"System Design in Interviews vs Real-World","order":5,"contentType":"LEARNING","contentSlug":"system-design-in-interviews-vs-real-world","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_f01cf0319df8fb81d1acc89d516d57a7","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 1: Introduction To System Design","sectionOrder":1,"title":"Prerequisites & Learning Path","order":6,"contentType":"LEARNING","contentSlug":"hld-prerequisites-and-learning-path","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_0dd9e5a8f6ab375627417b887a09858d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 2: System Design Thinking","sectionOrder":2,"title":"Requirements Gathering","order":1,"contentType":"LEARNING","contentSlug":"hld-requirements-gathering","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_dda68a0aa0e21d2b93dbfef361f7ed19","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 2: System Design Thinking","sectionOrder":2,"title":"Back-of-the-Envelope Estimation","order":2,"contentType":"LEARNING","contentSlug":"hld-system-design-thinking-back-of-envelope-estimation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_955d00b5fbfda52554f0192dbaa85c82","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 2: System Design Thinking","sectionOrder":2,"title":"Trade-off Analysis","order":3,"contentType":"LEARNING","contentSlug":"trade-off-analysis","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_9401f4ee0403deccaf6d9d9469d495ee","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 2: System Design Thinking","sectionOrder":2,"title":"Constraints and Bottlenecks","order":4,"contentType":"LEARNING","contentSlug":"constraints-and-bottlenecks","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_a56034cf773533afa865673c3f79a861","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 2: System Design Thinking","sectionOrder":2,"title":"Iterative Design Process","order":5,"contentType":"LEARNING","contentSlug":"iterative-design-process","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_be21ec3e84ad876f40c9da9a18c5c610","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 2: System Design Thinking","sectionOrder":2,"title":"Documentation and Communication","order":6,"contentType":"LEARNING","contentSlug":"documentation-and-communication","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_2beae4bdf08aace729f44c5e18ba70ae","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 2: System Design Thinking","sectionOrder":2,"title":"Design a URL Shortener","order":7,"contentType":"HLD","contentSlug":"design-url-shortener","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_73f71860a64b78fd9afe6774fc8df0fa","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 2: System Design Thinking","sectionOrder":2,"title":"Design a Paste Bin","order":8,"contentType":"HLD","contentSlug":"design-paste-bin","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_e505f27e22be9486f358608ec9a66ddc","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 3: Client Server And Service Architecture","sectionOrder":3,"title":"Client-Server Model","order":1,"contentType":"LEARNING","contentSlug":"hld-client-server-model","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_ea4d09e8b13d138cf5fb7f743804691f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 3: Client Server And Service Architecture","sectionOrder":3,"title":"Single-Tier vs Multi-Tier Architecture","order":2,"contentType":"LEARNING","contentSlug":"single-tier-vs-multi-tier-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_9d094878179f7e4f19b264d583395bf1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 3: Client Server And Service Architecture","sectionOrder":3,"title":"Stateless vs Stateful Services","order":3,"contentType":"LEARNING","contentSlug":"stateless-vs-stateful-services","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_86d6e928662c1990bd91dceaba20374e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 3: Client Server And Service Architecture","sectionOrder":3,"title":"Thin Client vs Thick Client Architecture","order":4,"contentType":"LEARNING","contentSlug":"thin-client-vs-thick-client","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_ec58b331676a1efe0319ee0ec2332367","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 3: Client Server And Service Architecture","sectionOrder":3,"title":"Monolith vs Microservices vs Modular Monolith","order":5,"contentType":"LEARNING","contentSlug":"monolith-vs-microservices","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_4831e52caf84c81c5146218d8974c6c5","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 3: Client Server And Service Architecture","sectionOrder":3,"title":"Service Discovery Mechanisms","order":6,"contentType":"LEARNING","contentSlug":"service-discovery-mechanisms","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_31582e9cd55998cffe0ac1105841722e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 4: Distributed Systems Fundamentals","sectionOrder":4,"title":"What Is a Distributed System?","order":1,"contentType":"LEARNING","contentSlug":"what-is-a-distributed-system","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_f4fd618fa5d4af98a092cad764de88df","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 4: Distributed Systems Fundamentals","sectionOrder":4,"title":"Fallacies of Distributed Computing","order":2,"contentType":"LEARNING","contentSlug":"fallacies-of-distributed-computing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_9159454b9c9fbe0765b3102fa21785d7","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 4: Distributed Systems Fundamentals","sectionOrder":4,"title":"CAP Theorem: Understanding Distributed System Trade-offs","order":3,"contentType":"LEARNING","contentSlug":"hld-cap-theorem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_48fe4c1ef3585932b2cf127ac6d17961","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 4: Distributed Systems Fundamentals","sectionOrder":4,"title":"PACELC Theorem: Beyond CAP","order":4,"contentType":"LEARNING","contentSlug":"pacelc-theorem","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_95859b467494cc821396715416c20dbe","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 4: Distributed Systems Fundamentals","sectionOrder":4,"title":"Time in Distributed Systems","order":5,"contentType":"LEARNING","contentSlug":"time-in-distributed-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_2d7c9bb7660a0efaa6d16586354e7b29","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 4: Distributed Systems Fundamentals","sectionOrder":4,"title":"Ordering and Causality in Distributed Systems","order":6,"contentType":"LEARNING","contentSlug":"ordering-and-causality","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_94f05a592e7a9b03857a6544ce1b6e59","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"The Consensus Problem","order":1,"contentType":"LEARNING","contentSlug":"the-consensus-problem","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_5be00e8a43670968aa4dad89b05cc722","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"The Paxos Consensus Algorithm","order":2,"contentType":"LEARNING","contentSlug":"paxos-algorithm","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_ac2394a9e5201b1a5381626497ef2776","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"Raft Consensus Algorithm","order":3,"contentType":"LEARNING","contentSlug":"raft-algorithm","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_71f99d8b59b19bf10e58237116eaa99c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"ZAB (Zookeeper Atomic Broadcast)","order":4,"contentType":"LEARNING","contentSlug":"zab-zookeeper-atomic-broadcast","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_2f91275eebd25912bf56eb087041e788","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"Distributed Locking","order":5,"contentType":"LEARNING","contentSlug":"distributed-locking","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_a864aee809a31f660fd703c290f21a28","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"Leader Election","order":6,"contentType":"LEARNING","contentSlug":"leader-election","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_ec045f581859451f2e3bfc6953784dcf","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"Coordination Services","order":7,"contentType":"LEARNING","contentSlug":"coordination-services","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_da1fb6b1fec7437be1b1e4a4b3071053","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"Design a Consensus Protocol (Raft / Paxos)","order":8,"contentType":"HLD","contentSlug":"design-consensus-protocol","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_3c490d910237f5ba0aa2ca59bee6951f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"Design a Unique ID Generator","order":9,"contentType":"HLD","contentSlug":"design-unique-id-generator","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_2ffa3b25335736298bb865cd8837896e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 6: Scalability Fundamentals","sectionOrder":6,"title":"What Is Scalability?","order":1,"contentType":"LEARNING","contentSlug":"what-is-scalability","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_bfbf8a8efec340b7f4c5d4e7871b4424","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 6: Scalability Fundamentals","sectionOrder":6,"title":"Horizontal vs Vertical Scaling","order":2,"contentType":"LEARNING","contentSlug":"horizontal-vs-vertical-scaling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_72219a9fba9efb0d6715d1c47b0315ea","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 6: Scalability Fundamentals","sectionOrder":6,"title":"Scaling Strategies","order":3,"contentType":"LEARNING","contentSlug":"scaling-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_27e9cc64f96ba68cda3309bb18522f92","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 6: Scalability Fundamentals","sectionOrder":6,"title":"Auto-Scaling: Dynamic Resource Management","order":4,"contentType":"LEARNING","contentSlug":"auto-scaling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_6f42f716775828165d6c30111e7f4612","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 6: Scalability Fundamentals","sectionOrder":6,"title":"Geo-Distributed Architecture","order":5,"contentType":"LEARNING","contentSlug":"geo-distributed-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_86cafe8946e2de0db339228cb731bf95","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 6: Scalability Fundamentals","sectionOrder":6,"title":"The Scaling Playbook: From Startup to Enterprise","order":6,"contentType":"LEARNING","contentSlug":"scaling-playbook","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_eda58769f45af5457dbc62db84643cd3","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 7: Load Balancing And Traffic Routing","sectionOrder":7,"title":"What Is Load Balancing?","order":1,"contentType":"LEARNING","contentSlug":"what-is-load-balancing","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_2becbe3e4c17b520fa33baf8a11bdd64","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 7: Load Balancing And Traffic Routing","sectionOrder":7,"title":"Layer 4 vs Layer 7 Load Balancing","order":2,"contentType":"LEARNING","contentSlug":"layer-4-vs-layer-7-load-balancing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_205244687ba56e2a8567ec822f3d58f0","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 7: Load Balancing And Traffic Routing","sectionOrder":7,"title":"Load Distribution Algorithms","order":3,"contentType":"LEARNING","contentSlug":"load-distribution-algorithms","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_38069fa7f516d48ec991e6dbf67badfb","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 7: Load Balancing And Traffic Routing","sectionOrder":7,"title":"Session Persistence (Sticky Sessions)","order":4,"contentType":"LEARNING","contentSlug":"session-persistence-sticky-sessions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_7d0615cd6f1504310551832ae1675d63","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 7: Load Balancing And Traffic Routing","sectionOrder":7,"title":"Health Checks & Failover","order":5,"contentType":"LEARNING","contentSlug":"health-checks-and-failover","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_8de057a7b5ace87ee65f97d94e7da235","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 7: Load Balancing And Traffic Routing","sectionOrder":7,"title":"Global Load Balancing & Anycast","order":6,"contentType":"LEARNING","contentSlug":"global-load-balancing-and-anycast","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_9582d82528e370a4da3694897acd65d3","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 7: Load Balancing And Traffic Routing","sectionOrder":7,"title":"Load Balancer Comparison","order":7,"contentType":"LEARNING","contentSlug":"load-balancer-comparison","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_e9d651213d01f50861224fddc574d8eb","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"Why Caching Matters","order":1,"contentType":"LEARNING","contentSlug":"hld-why-caching-matters","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_216df00e7cc529ab4e08d97aff7eef0e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"Caching Layers","order":2,"contentType":"LEARNING","contentSlug":"caching-layers","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_667fe871aba8e985ec485343c9a34118","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"Write-Through Caching","order":3,"contentType":"LEARNING","contentSlug":"write-through-caching","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_375ca498400efe44f6715ff03f51d523","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"Write-Back (Write-Behind) Caching","order":4,"contentType":"LEARNING","contentSlug":"write-back-caching","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_565516923c271213a8ea543438eb17f2","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"Write-Around Caching","order":5,"contentType":"LEARNING","contentSlug":"write-around-caching","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_fb1073dff91cf5183b544aae85793e11","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"Cache Invalidation Strategies","order":6,"contentType":"LEARNING","contentSlug":"hld-cache-invalidation-strategies","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_b740555b0b1fa7e872cbe9091a055eba","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"CDN Caching: Global Content Distribution at Scale","order":7,"contentType":"LEARNING","contentSlug":"cdn-caching","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_cec1ce23de6ce474aac312c37479aca2","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"Distributed Cache Systems","order":8,"contentType":"LEARNING","contentSlug":"distributed-cache-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_54ab51d8b7f7fb3409c64fe0537c8092","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"Design Redis","order":9,"contentType":"HLD","contentSlug":"design-redis","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_f634228fec7d7df2737fdec9c17cfb0d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 9: Performance Optimization","sectionOrder":9,"title":"Performance Metrics","order":1,"contentType":"LEARNING","contentSlug":"performance-metrics","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_69fb7062f03c8df31452b9b97d0ac4cb","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 9: Performance Optimization","sectionOrder":9,"title":"Identifying Performance Bottlenecks","order":2,"contentType":"LEARNING","contentSlug":"identifying-bottlenecks","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_085ee8bfceb591a77600c22e38404d6f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 9: Performance Optimization","sectionOrder":9,"title":"Latency Optimization: Eliminating Performance Bottlenecks","order":3,"contentType":"LEARNING","contentSlug":"latency-optimization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_8eb51e526b02b23bc626bdab55917bd0","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 9: Performance Optimization","sectionOrder":9,"title":"Throughput Optimization Techniques","order":4,"contentType":"LEARNING","contentSlug":"throughput-optimization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_1ade4b30aedd90a17918102a9dc1658b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 9: Performance Optimization","sectionOrder":9,"title":"Database Performance Optimization","order":5,"contentType":"LEARNING","contentSlug":"database-performance","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_d3930210e3143b963535f4cfa8a98d1f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 9: Performance Optimization","sectionOrder":9,"title":"Profiling and Monitoring","order":6,"contentType":"LEARNING","contentSlug":"profiling-and-monitoring","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_4c211e8f3805bb1a831381b9c05ab3f0","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 10: Database Fundamentals","sectionOrder":10,"title":"Why Databases Matter in System Design","order":1,"contentType":"LEARNING","contentSlug":"why-databases-matter","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_be3e9b67faee22c3ef1e41568567b1aa","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 10: Database Fundamentals","sectionOrder":10,"title":"SQL vs NoSQL: Choosing the Right Database Paradigm","order":2,"contentType":"LEARNING","contentSlug":"sql-vs-nosql","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_df3a4b074ff49d03188ae38aa4ebe2ad","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 10: Database Fundamentals","sectionOrder":10,"title":"ACID Properties: The Pillars of Transactional Integrity","order":3,"contentType":"LEARNING","contentSlug":"hld-acid-properties","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_54bd62618632090f665e8e539e8f3b75","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 10: Database Fundamentals","sectionOrder":10,"title":"BASE Properties: The Alternative to ACID","order":4,"contentType":"LEARNING","contentSlug":"base-properties","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_b2b05c19edc3e40a98d09a0c5a905571","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 10: Database Fundamentals","sectionOrder":10,"title":"Data Modeling Fundamentals","order":5,"contentType":"LEARNING","contentSlug":"data-modeling-fundamentals","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_f69895f945c782f14fca0ce60d28898a","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 10: Database Fundamentals","sectionOrder":10,"title":"Indexes and Query Performance","order":6,"contentType":"LEARNING","contentSlug":"indexes-and-query-performance","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_07c882b0cf63eb9d5e4b61eab4472732","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Why Database Replication Matters","order":1,"contentType":"LEARNING","contentSlug":"why-replication","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_3247f08295b2a0f20f3bbf36b1a0bdc1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Leader-Follower Replication","order":2,"contentType":"LEARNING","contentSlug":"leader-follower-replication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_03d472c4364599ba5bd71bcf645b0b38","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Leaderless Replication","order":3,"contentType":"LEARNING","contentSlug":"leaderless-replication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_2aa3cb11f23f35c49e0b763ca7de35fa","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Multi-Leader Replication","order":4,"contentType":"LEARNING","contentSlug":"multi-leader-replication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_3321ed236605be884459089235602958","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Quorum-Based Replication","order":5,"contentType":"LEARNING","contentSlug":"quorum-based-replication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_2513533c571c909001339b03ff0c5704","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Sharding and Database Partitioning","order":6,"contentType":"LEARNING","contentSlug":"sharding-partitioning","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_7fc2cf8319abd6e3f78bb1c1ecfc662f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Rebalancing and Resharding","order":7,"contentType":"LEARNING","contentSlug":"rebalancing-and-resharding","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_7652943b24aef3a9c4cce4e5c73b17d9","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Design a Distributed Database (Cassandra / DynamoDB)","order":8,"contentType":"HLD","contentSlug":"design-distributed-database","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_9d53ee976f90c7da0cb369f495eae82b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Design a Multi-Region Active-Active Database","order":9,"contentType":"HLD","contentSlug":"design-multi-region-active-active-db","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_cc38c029ac6bc10b37038f8af3a6545c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 12: Sql Databases Deep Dive","sectionOrder":12,"title":"PostgreSQL: The World's Most Advanced Open Source Database","order":1,"contentType":"LEARNING","contentSlug":"postgresql","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_d3084e3e11ecb6c7d8c86fb4bc7a2699","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 12: Sql Databases Deep Dive","sectionOrder":12,"title":"MySQL: Architecture, Scaling, and Production Deployment","order":2,"contentType":"LEARNING","contentSlug":"mysql","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_fb09932456f947c06f6ee92782befb28","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 12: Sql Databases Deep Dive","sectionOrder":12,"title":"Query Optimization","order":3,"contentType":"LEARNING","contentSlug":"query-optimization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_21484056bce30b81e20341597bf8b717","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 12: Sql Databases Deep Dive","sectionOrder":12,"title":"Connection Pooling: Managing Database Connections at Scale","order":4,"contentType":"LEARNING","contentSlug":"hld-connection-pooling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_d80b3eb695b786039fed6497f8b4fb04","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 12: Sql Databases Deep Dive","sectionOrder":12,"title":"Read Replicas: Scaling SQL Reads","order":5,"contentType":"LEARNING","contentSlug":"read-replicas","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_5adf24600f74c2151a00d96989649143","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 12: Sql Databases Deep Dive","sectionOrder":12,"title":"SQL Database Scaling Patterns","order":6,"contentType":"LEARNING","contentSlug":"sql-database-scaling-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_9e5d072d22a6d33e716abde30c7fa76d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 13: Nosql Databases Deep Dive","sectionOrder":13,"title":"Key-Value Stores","order":1,"contentType":"LEARNING","contentSlug":"hld-key-value-stores","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_8a88f2a743ed567069e5500b43493216","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 13: Nosql Databases Deep Dive","sectionOrder":13,"title":"Document Stores: MongoDB and Document-Oriented Databases","order":2,"contentType":"LEARNING","contentSlug":"nosql-document-stores","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_cef90efd5a3dbacb4deb918a4398e3ce","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 13: Nosql Databases Deep Dive","sectionOrder":13,"title":"Wide-Column Stores: Mastering Column-Family Databases","order":3,"contentType":"LEARNING","contentSlug":"wide-column-stores","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_9742b99902877de37c5c7bcad00ed96f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 13: Nosql Databases Deep Dive","sectionOrder":13,"title":"Graph Databases","order":4,"contentType":"LEARNING","contentSlug":"hld-graph-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_eb35904786a38494e3380516908c1012","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 13: Nosql Databases Deep Dive","sectionOrder":13,"title":"Time-Series Databases","order":5,"contentType":"LEARNING","contentSlug":"hld-time-series-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_617d4bac22fe293dc261ea9406c9b41f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 13: Nosql Databases Deep Dive","sectionOrder":13,"title":"Choosing the Right NoSQL Database for Your System","order":6,"contentType":"LEARNING","contentSlug":"choosing-the-right-nosql-database","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_ee07fdb6a80b08656e2833732d6a72b3","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 13: Nosql Databases Deep Dive","sectionOrder":13,"title":"Design a Key-Value Store","order":7,"contentType":"HLD","contentSlug":"design-key-value-store","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_3d18c9f4eeb97e00ce4fd85a4dd03d0d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 14: Real World Database Architectures","sectionOrder":14,"title":"Google Spanner: The Globally Distributed Database","order":1,"contentType":"LEARNING","contentSlug":"google-spanner","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_f82665e050c66abee8b7b707c7da5279","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 14: Real World Database Architectures","sectionOrder":14,"title":"Amazon DynamoDB: AWS's Fully Managed NoSQL Database","order":2,"contentType":"LEARNING","contentSlug":"amazon-dynamodb","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_2f3d15d7171f35942166e2b32c40b24a","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 14: Real World Database Architectures","sectionOrder":14,"title":"Apache Cassandra: Masterclass in Distributed NoSQL","order":3,"contentType":"LEARNING","contentSlug":"apache-cassandra","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_592c6a76e8734affae860ecb95b96056","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 14: Real World Database Architectures","sectionOrder":14,"title":"CockroachDB: Distributed SQL for the Modern Era","order":4,"contentType":"LEARNING","contentSlug":"cockroachdb","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_f44ff7804ce0c2e95e2c706329fa3612","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 14: Real World Database Architectures","sectionOrder":14,"title":"TiDB: The MySQL-Compatible Distributed SQL Database","order":5,"contentType":"LEARNING","contentSlug":"tidb","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_f3933fee46b128644aeabf1484461e4d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 14: Real World Database Architectures","sectionOrder":14,"title":"FoundationDB: The Database That Powers Cloud Giants","order":6,"contentType":"LEARNING","contentSlug":"foundationdb","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_6cfd1e739671aca68f248ad4cacfea55","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 15: Data Consistency Conflict Resolution","sectionOrder":15,"title":"Consistency Models in Distributed Systems","order":1,"contentType":"LEARNING","contentSlug":"consistency-models-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_d2f62d19f014f2428dddacfe8c1573ce","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 15: Data Consistency Conflict Resolution","sectionOrder":15,"title":"Strong Consistency","order":2,"contentType":"LEARNING","contentSlug":"strong-consistency","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_da2b53b9f6929d7af9b4c1467d5e394d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 15: Data Consistency Conflict Resolution","sectionOrder":15,"title":"Eventual Consistency","order":3,"contentType":"LEARNING","contentSlug":"eventual-consistency","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_3ba524f629ebe41b5cb9c8630ab1dced","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 15: Data Consistency Conflict Resolution","sectionOrder":15,"title":"Causal Consistency","order":4,"contentType":"LEARNING","contentSlug":"causal-consistency","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_cf0bc06c39e914cea5cf91dd544930ea","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 15: Data Consistency Conflict Resolution","sectionOrder":15,"title":"Conflict Resolution Strategies","order":5,"contentType":"LEARNING","contentSlug":"conflict-resolution-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_1ede8fc4d119ce321c089f5704a9f2c0","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 15: Data Consistency Conflict Resolution","sectionOrder":15,"title":"CRDTs (Conflict-free Replicated Data Types)","order":6,"contentType":"LEARNING","contentSlug":"crdts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_4e642efeb897915ab701da3a92cbca23","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 16: Distributed Data Patterns","sectionOrder":16,"title":"CQRS Pattern","order":1,"contentType":"LEARNING","contentSlug":"cqrs-pattern","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_66a715a68bf07359b82cd2a1d5631191","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 16: Distributed Data Patterns","sectionOrder":16,"title":"Event Sourcing: Events as the Source of Truth","order":2,"contentType":"LEARNING","contentSlug":"hld-distributed-data-patterns-event-sourcing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_5f15a9a1fe5cc3aea5494246845b04e4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 16: Distributed Data Patterns","sectionOrder":16,"title":"The Saga Pattern: Managing Distributed Transactions","order":3,"contentType":"LEARNING","contentSlug":"saga-pattern","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_5d62f05998476fca9c39c0a7703dcec8","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 16: Distributed Data Patterns","sectionOrder":16,"title":"Outbox Pattern","order":4,"contentType":"LEARNING","contentSlug":"outbox-pattern","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_e10b0694e0c5a2283b4cab25e01f6701","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 16: Distributed Data Patterns","sectionOrder":16,"title":"Change Data Capture (CDC)","order":5,"contentType":"LEARNING","contentSlug":"change-data-capture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_49333b8e4023e30d63592021fd33eb8d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 16: Distributed Data Patterns","sectionOrder":16,"title":"Data Synchronization Patterns","order":6,"contentType":"LEARNING","contentSlug":"data-synchronization-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_99507acdeac15912eae253435e7a661b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 16: Distributed Data Patterns","sectionOrder":16,"title":"An unsuccessful credit capture changes account balances","order":7,"contentType":"REPO","contentSlug":"credit-reservations-capture-recovery","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_f0c1618be6b56c460c04d161969cc1af","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 16: Distributed Data Patterns","sectionOrder":16,"title":"Capture reserved credit only once","order":8,"contentType":"CODE_REVIEW","contentSlug":"credit-reservations-review-capture-recovery","description":null,"estimatedMins":35,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_31066d52e7ad1020900d10c4ca0e99ff","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 17: Api Design Fundamentals","sectionOrder":17,"title":"Understanding APIs: The Foundation of Modern System Communication","order":1,"contentType":"LEARNING","contentSlug":"what-is-an-api","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_ec461867708496646b18a903e2048e63","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 17: Api Design Fundamentals","sectionOrder":17,"title":"REST API Design","order":2,"contentType":"LEARNING","contentSlug":"rest-api-design","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_51bba1915c62f9964cf673c82623668c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 17: Api Design Fundamentals","sectionOrder":17,"title":"GraphQL: Query-Based API Architecture","order":3,"contentType":"LEARNING","contentSlug":"graphql","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_16c5406fde1e833123880385a69de6d9","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 17: Api Design Fundamentals","sectionOrder":17,"title":"gRPC: High-Performance Remote Procedure Calls","order":4,"contentType":"LEARNING","contentSlug":"grpc","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_cef6594d4561a9dc94f760cacaf5d8e0","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 17: Api Design Fundamentals","sectionOrder":17,"title":"API Versioning: Managing Change in Distributed Systems","order":5,"contentType":"LEARNING","contentSlug":"hld-api-versioning","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_f50eae37914ca8f1701a5d1f79057412","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 17: Api Design Fundamentals","sectionOrder":17,"title":"API Documentation","order":6,"contentType":"LEARNING","contentSlug":"hld-api-documentation","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_b98cba880f1838b47ecc07be40956841","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 17: Api Design Fundamentals","sectionOrder":17,"title":"Design a Rate Limiter","order":7,"contentType":"HLD","contentSlug":"design-rate-limiter","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_4c68ea537c6a8d4c9f9cf9d4987226f6","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 18: Api Gateway Patterns","sectionOrder":18,"title":"What Is an API Gateway?","order":1,"contentType":"LEARNING","contentSlug":"what-is-an-api-gateway","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_c45cdc3aa657015fae3bee2e5b989515","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 18: Api Gateway Patterns","sectionOrder":18,"title":"Routing and Traffic Management","order":2,"contentType":"LEARNING","contentSlug":"routing-and-traffic-management","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_8b691beac9c71a8ebe816b31ec075e22","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 18: Api Gateway Patterns","sectionOrder":18,"title":"Rate Limiting at API Gateway","order":3,"contentType":"LEARNING","contentSlug":"rate-limiting-at-gateway","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_b239406eaa6715c38939d5094979881d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 18: Api Gateway Patterns","sectionOrder":18,"title":"Authentication at Gateway","order":4,"contentType":"LEARNING","contentSlug":"api-gateway-authentication","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_3206f9a031f413f4d659c42a53dddfaf","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 18: Api Gateway Patterns","sectionOrder":18,"title":"Backend-for-Frontend (BFF) Pattern","order":5,"contentType":"LEARNING","contentSlug":"backend-for-frontend","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_f28e03428a90cb3726f6a6fe33a32a81","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 18: Api Gateway Patterns","sectionOrder":18,"title":"API Gateway Solutions","order":6,"contentType":"LEARNING","contentSlug":"api-gateway-solutions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_807b86e759e2a7d27e435f9e29b78e78","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 18: Api Gateway Patterns","sectionOrder":18,"title":"Design an API Gateway","order":7,"contentType":"HLD","contentSlug":"design-api-gateway","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_a99b898f0d80ab22b96a489aca507b82","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 19: Synchronous Communication","sectionOrder":19,"title":"Request-Response Pattern","order":1,"contentType":"LEARNING","contentSlug":"request-response-pattern","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_926cc0858cb30865493902c825aa261d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 19: Synchronous Communication","sectionOrder":19,"title":"Service Discovery","order":2,"contentType":"LEARNING","contentSlug":"service-discovery","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_5e9f9acdb6a52bbef95b097b80b583c9","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 19: Synchronous Communication","sectionOrder":19,"title":"Circuit Breaker Pattern: Building Resilient Distributed Systems","order":3,"contentType":"LEARNING","contentSlug":"hld-synchronous-communication-circuit-breaker-pattern","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_a11e1710f3c3c17047923a9c534b5c10","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 19: Synchronous Communication","sectionOrder":19,"title":"Retry Strategies in Distributed Systems","order":4,"contentType":"LEARNING","contentSlug":"retry-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_ab7b8fdcfdbefead7b38c9160350df5f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 19: Synchronous Communication","sectionOrder":19,"title":"Timeout Patterns in Synchronous Communication","order":5,"contentType":"LEARNING","contentSlug":"timeout-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_f13eeb925a7809ada2d2dbb8b7770f94","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 19: Synchronous Communication","sectionOrder":19,"title":"Bulkhead Pattern: Failure Isolation in Distributed Systems","order":6,"contentType":"LEARNING","contentSlug":"hld-synchronous-communication-bulkhead-pattern","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_9193315712ca096083a3ac93a7f9aba5","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 20: Asynchronous Communication","sectionOrder":20,"title":"Why Asynchronous Communication?","order":1,"contentType":"LEARNING","contentSlug":"why-asynchronous","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_55f92f9800ce2301a3bef8582a8a7500","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 20: Asynchronous Communication","sectionOrder":20,"title":"Message Queues","order":2,"contentType":"LEARNING","contentSlug":"hld-message-queues","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_96435edd1bc8b90d60580929dea29d19","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 20: Asynchronous Communication","sectionOrder":20,"title":"Publish-Subscribe Pattern","order":3,"contentType":"LEARNING","contentSlug":"publish-subscribe","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_145e531d968e67a4fb565d4c5648b159","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 20: Asynchronous Communication","sectionOrder":20,"title":"Delivery Guarantees","order":4,"contentType":"LEARNING","contentSlug":"delivery-guarantees","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_7758111e9c9e3f946c05bdc9366d01c4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 20: Asynchronous Communication","sectionOrder":20,"title":"Message Ordering in Distributed Systems","order":5,"contentType":"LEARNING","contentSlug":"message-ordering","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_0a89810b1e0919136623e23d22b2ae09","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 20: Asynchronous Communication","sectionOrder":20,"title":"Messaging Systems Comparison","order":6,"contentType":"LEARNING","contentSlug":"messaging-systems-comparison","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_d5cf3cfa59e8a1ef0f9d9e5f196c1455","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 20: Asynchronous Communication","sectionOrder":20,"title":"Design Kafka","order":7,"contentType":"HLD","contentSlug":"design-kafka","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_906be10488c474d1e14c588197109f93","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 20: Asynchronous Communication","sectionOrder":20,"title":"Design a Distributed Task Scheduler","order":8,"contentType":"HLD","contentSlug":"design-distributed-task-scheduler","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_00464eaf8c88cf42951912266788591e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 21: Real Time Systems","sectionOrder":21,"title":"Understanding Real-Time Systems","order":1,"contentType":"LEARNING","contentSlug":"what-is-real-time","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_44bfc7d7d92a9596d09a2f22a0f0d0e0","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 21: Real Time Systems","sectionOrder":21,"title":"WebSockets: Real-Time Bidirectional Communication","order":2,"contentType":"LEARNING","contentSlug":"websockets","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_efb36ab4d81eea9e4a3cb329b63c9d1b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 21: Real Time Systems","sectionOrder":21,"title":"Server-Sent Events (SSE)","order":3,"contentType":"LEARNING","contentSlug":"server-sent-events","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_1c63304a5b8af90ee0e08976b615f2a6","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 21: Real Time Systems","sectionOrder":21,"title":"Long Polling: The Art of Simulated Real-Time","order":4,"contentType":"LEARNING","contentSlug":"long-polling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_2ed917c0ead1a6757c7bd6224c154f91","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 21: Real Time Systems","sectionOrder":21,"title":"Push Notifications","order":5,"contentType":"LEARNING","contentSlug":"push-notifications","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_0bb88b7feace95a5eda0d60c68077225","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 21: Real Time Systems","sectionOrder":21,"title":"Real-Time Architecture Patterns","order":6,"contentType":"LEARNING","contentSlug":"real-time-architecture-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_d240268fbc0eb5f874ba27a69e0e4daf","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 21: Real Time Systems","sectionOrder":21,"title":"Design a Simple Chat Application","order":7,"contentType":"HLD","contentSlug":"design-chat-application","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_d0c0f3a104ec99d9d90ab983ece59c5a","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 22: Object File Storage","sectionOrder":22,"title":"Object Storage Fundamentals","order":1,"contentType":"LEARNING","contentSlug":"object-storage-fundamentals","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_fdb8fb590247f539e6a7247e2daab7ec","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 22: Object File Storage","sectionOrder":22,"title":"Cloud Object Storage: Architecture and Best Practices","order":2,"contentType":"LEARNING","contentSlug":"cloud-object-storage","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_7df4e36ac8da318c0230ff9eebd33208","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 22: Object File Storage","sectionOrder":22,"title":"Distributed File Systems","order":3,"contentType":"LEARNING","contentSlug":"hld-distributed-file-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_8746d2b2f77dd62a53777b8c811a9d09","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 22: Object File Storage","sectionOrder":22,"title":"Hot, Warm, and Cold Storage","order":4,"contentType":"LEARNING","contentSlug":"hot-warm-cold-storage","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_9955ee7edef595a59d9cffef35b67c8b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 22: Object File Storage","sectionOrder":22,"title":"Deduplication and Compression: Optimizing Storage Efficiency at Scale","order":5,"contentType":"LEARNING","contentSlug":"deduplication-compression","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_b07e6d5f6daf88b1850c40e012e8cac3","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 22: Object File Storage","sectionOrder":22,"title":"Backup and Disaster Recovery","order":6,"contentType":"LEARNING","contentSlug":"backup-disaster-recovery","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_24ea7aa8f4b5c5e348831237b7cd0c93","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 22: Object File Storage","sectionOrder":22,"title":"Design Google Drive File Storage","order":7,"contentType":"HLD","contentSlug":"design-google-drive","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_e62e425792fc3ab22e352b5b6cc2bc02","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 22: Object File Storage","sectionOrder":22,"title":"Design a Distributed File System (HDFS / GFS)","order":8,"contentType":"HLD","contentSlug":"design-distributed-file-system","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_a3bb4e8958cc532441b762806a46903f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 23: Content Delivery Networks","sectionOrder":23,"title":"What Is a Content Delivery Network?","order":1,"contentType":"LEARNING","contentSlug":"what-is-a-cdn","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_f2b730634bee0d0b41f84d2f57422b04","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 23: Content Delivery Networks","sectionOrder":23,"title":"CDN Caching Mechanics","order":2,"contentType":"LEARNING","contentSlug":"cdn-caching-mechanics","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_e4515323b760be87711996b629e130f2","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 23: Content Delivery Networks","sectionOrder":23,"title":"Cache Invalidation at Scale","order":3,"contentType":"LEARNING","contentSlug":"cache-invalidation-at-scale","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_ed97d8981e71078f3c864887ab601e17","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 23: Content Delivery Networks","sectionOrder":23,"title":"Origin Shield: Protecting and Optimizing Origin Infrastructure","order":4,"contentType":"LEARNING","contentSlug":"cdn-origin-shield","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_f222cd18f8a53eae39dd680216d86e2e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 23: Content Delivery Networks","sectionOrder":23,"title":"Dynamic Content Acceleration","order":5,"contentType":"LEARNING","contentSlug":"dynamic-content-acceleration","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_d11f16d84c20b173a1816691a56aa8b7","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 23: Content Delivery Networks","sectionOrder":23,"title":"CDN Providers Comparison","order":6,"contentType":"LEARNING","contentSlug":"cdn-providers-comparison","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_8dbf5aa424e03f9b25d9c0a0fa8a0e2d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 23: Content Delivery Networks","sectionOrder":23,"title":"Design a Content Delivery Network (CDN)","order":7,"contentType":"HLD","contentSlug":"design-cdn","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_6b1ad657da99475f8d91d949bfcff6ea","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 23: Content Delivery Networks","sectionOrder":23,"title":"Design a Global CDN with Edge Computing","order":8,"contentType":"HLD","contentSlug":"design-global-cdn-edge-computing","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_9aa7cd1b9a90750a4a9a70f9aae3c197","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Search Architecture Overview","order":1,"contentType":"LEARNING","contentSlug":"search-architecture-overview","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_e6c4b564329d0b0b9e10a7ce1caa1d0d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Full-Text Search","order":2,"contentType":"LEARNING","contentSlug":"full-text-search","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_dd1aaf08fecb9ab63af9cab04d8fdb7c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Elasticsearch: Distributed Search at Scale","order":3,"contentType":"LEARNING","contentSlug":"elasticsearch","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_2d4fcaf46969cf3177b3dd5e4b80a127","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Search Indexing Strategies","order":4,"contentType":"LEARNING","contentSlug":"search-indexing-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_664e033904d772e837d7895c475c4dbd","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Search Relevance Tuning","order":5,"contentType":"LEARNING","contentSlug":"search-relevance-tuning","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_0e74dc30a3fbc4c48d5aa7f2c1c1a4f1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Typeahead and Autocomplete Systems","order":6,"contentType":"LEARNING","contentSlug":"hld-search-systems-typeahead-autocomplete","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_9fd1a262de381c4b7f6f627dca9ca5e5","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Design a Search Autocomplete System","order":7,"contentType":"HLD","contentSlug":"design-search-autocomplete","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_fabd4b6bf66a1d9303c8c88bac593076","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Design Google Search","order":8,"contentType":"HLD","contentSlug":"design-google-search","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_199f6c4b505a8a600da617fb47a80638","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Design a Web Crawler","order":9,"contentType":"HLD","contentSlug":"design-web-crawler","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_a3f47ea5ce8acca9bbc8ee4e1e95f708","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 25: High Availability","sectionOrder":25,"title":"Understanding High Availability: Building Systems That Stay Online","order":1,"contentType":"LEARNING","contentSlug":"what-is-high-availability","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_bde7cb88d36b6835c247f9ffbb6971f4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 25: High Availability","sectionOrder":25,"title":"Redundancy Patterns: Building Systems That Never Fail","order":2,"contentType":"LEARNING","contentSlug":"redundancy-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_79498547edd07432d5ba243b16311cb1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 25: High Availability","sectionOrder":25,"title":"Failover Strategies: Building Resilient Systems","order":3,"contentType":"LEARNING","contentSlug":"failover-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_e185e80d8dbd0f1c1db99d177d3be23e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 25: High Availability","sectionOrder":25,"title":"Multi-Region Architecture: Building Globally Distributed Systems","order":4,"contentType":"LEARNING","contentSlug":"multi-region-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_a7732dc25f08bd00058f118e4096dea4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 25: High Availability","sectionOrder":25,"title":"Disaster Recovery: Building Resilient Systems That Survive Catastrophe","order":5,"contentType":"LEARNING","contentSlug":"hld-disaster-recovery","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_2790acdadda0717f78a548d4328de184","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 25: High Availability","sectionOrder":25,"title":"Availability vs Consistency Trade-offs","order":6,"contentType":"LEARNING","contentSlug":"availability-vs-consistency-tradeoffs","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_97df47ad2b549081edc6a1a310be98c6","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 26: Fault Tolerance Patterns","sectionOrder":26,"title":"Failure Is Inevitable: Understanding and Embracing System Failures","order":1,"contentType":"LEARNING","contentSlug":"failure-is-inevitable","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_1e0e17db8fb6e074fc9f8d0fd37b0b14","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 26: Fault Tolerance Patterns","sectionOrder":26,"title":"Timeout and Deadline Patterns","order":2,"contentType":"LEARNING","contentSlug":"timeout-and-deadline-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_a3ce6de304522905459d37ea19b12cd5","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 26: Fault Tolerance Patterns","sectionOrder":26,"title":"Retry with Backoff: Building Resilient Distributed Systems","order":3,"contentType":"LEARNING","contentSlug":"retry-with-backoff","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_c505ffc389e5bb3287d1f0e6590c05cf","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 26: Fault Tolerance Patterns","sectionOrder":26,"title":"Fallback Patterns","order":4,"contentType":"LEARNING","contentSlug":"fallback-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_432d9c67e8302134f9396306ddb2834d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 26: Fault Tolerance Patterns","sectionOrder":26,"title":"Failed notification commits leave a delivered message","order":5,"contentType":"REPO","contentSlug":"notification-post-delivery-recovery","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_e00163a925a270c768a6319b6c075fd1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 26: Fault Tolerance Patterns","sectionOrder":26,"title":"Deliver queued notifications only","order":6,"contentType":"CODE_REVIEW","contentSlug":"notification-post-review-delivery-recovery","description":null,"estimatedMins":35,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_8b496fec5edc023e9c3fc217781d85db","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 27: Monitoring Observability","sectionOrder":27,"title":"The Three Pillars of Observability","order":1,"contentType":"LEARNING","contentSlug":"three-pillars-of-observability","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_37e6e417d56e9124112a728374ec9dd7","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 27: Monitoring Observability","sectionOrder":27,"title":"Metrics Collection","order":2,"contentType":"LEARNING","contentSlug":"metrics-collection","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_fdb015070cd413b9ee5ab05d375ba0f8","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 27: Monitoring Observability","sectionOrder":27,"title":"Distributed Tracing: Following Requests Across Services","order":3,"contentType":"LEARNING","contentSlug":"distributed-tracing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_5511ad58c7a6036af80960315bcc516e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 27: Monitoring Observability","sectionOrder":27,"title":"Logging at Scale: Production-Grade Observability","order":4,"contentType":"LEARNING","contentSlug":"logging-at-scale","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_ec855f93c19b4317c24380204eb42ecf","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 27: Monitoring Observability","sectionOrder":27,"title":"Alerting Design: Building Effective Alert Systems","order":5,"contentType":"LEARNING","contentSlug":"alerting-design","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_3eeaa325544a357cea637fb3e5781ff6","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 27: Monitoring Observability","sectionOrder":27,"title":"Dashboards and Visualization: Bringing Observability to Life","order":6,"contentType":"LEARNING","contentSlug":"dashboards-and-visualization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_36dbd30901f0c5ffb72365c7bda5e55d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 27: Monitoring Observability","sectionOrder":27,"title":"Design a Metrics Monitoring & Alerting System","order":7,"contentType":"HLD","contentSlug":"design-metrics-monitoring-alerting","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_0ec88ad0fe8b6e7d6dd9d5e752af3341","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 27: Monitoring Observability","sectionOrder":27,"title":"Design a Logging & Log Aggregation System","order":8,"contentType":"HLD","contentSlug":"design-logging-log-aggregation","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_597d820d0f5fb5947c636c1487b1cf13","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 28: Slos Slis Incident Management","sectionOrder":28,"title":"SLIs, SLOs, and SLAs","order":1,"contentType":"LEARNING","contentSlug":"slis-slos-and-slas","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_c62c7281cd1deae1fe9d458b9a172ba6","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 28: Slos Slis Incident Management","sectionOrder":28,"title":"Choosing Service Level Indicators","order":2,"contentType":"LEARNING","contentSlug":"choosing-slis","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_345d072e45e490a6885d61e0a2c8d2ef","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 28: Slos Slis Incident Management","sectionOrder":28,"title":"Setting Service Level Objectives","order":3,"contentType":"LEARNING","contentSlug":"setting-slos","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_a774fc0ac43c6bedd6d7eba89379995a","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 28: Slos Slis Incident Management","sectionOrder":28,"title":"Error Budgets: Quantifying Reliability Investment","order":4,"contentType":"LEARNING","contentSlug":"error-budgets","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_0abface881e675b212aea27d62fdb42f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 28: Slos Slis Incident Management","sectionOrder":28,"title":"Incident Management","order":5,"contentType":"LEARNING","contentSlug":"incident-management","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_11a1b1056f2494cbe5562ae0027c0d79","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 28: Slos Slis Incident Management","sectionOrder":28,"title":"Post-Mortems: Learning from Failure","order":6,"contentType":"LEARNING","contentSlug":"post-mortems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_8be0045a4ae423e002b22709888b0a4d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 29: Chaos Engineering","sectionOrder":29,"title":"What Is Chaos Engineering?","order":1,"contentType":"LEARNING","contentSlug":"what-is-chaos-engineering","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_26aa1f7a200a0daebf6734582fc1799b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 29: Chaos Engineering","sectionOrder":29,"title":"Principles of Chaos Engineering","order":2,"contentType":"LEARNING","contentSlug":"principles-of-chaos","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_5e81ad799939b31cdbe2f9c06c550a4b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 29: Chaos Engineering","sectionOrder":29,"title":"Failure Injection","order":3,"contentType":"LEARNING","contentSlug":"failure-injection","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_ef91a5e65977226502b40efdea830a6b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 29: Chaos Engineering","sectionOrder":29,"title":"GameDays","order":4,"contentType":"LEARNING","contentSlug":"gamedays","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_dac9d1f1d35c17c711fffb6f4f1165ae","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 29: Chaos Engineering","sectionOrder":29,"title":"Chaos Engineering Tools","order":5,"contentType":"LEARNING","contentSlug":"chaos-tools","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_b7d113082890fd48f80e52b429bcdd40","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 29: Chaos Engineering","sectionOrder":29,"title":"Building Chaos Culture","order":6,"contentType":"LEARNING","contentSlug":"building-chaos-culture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_cbcde4f0fd893915387029efd6f32a93","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 30: Security Fundamentals","sectionOrder":30,"title":"Security in System Design","order":1,"contentType":"LEARNING","contentSlug":"security-in-system-design","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_2ac29f36c93940ad8a20e8d3d756720a","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 30: Security Fundamentals","sectionOrder":30,"title":"Authentication Patterns in Distributed Systems","order":2,"contentType":"LEARNING","contentSlug":"authentication-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_fb9178b951572a3ab6a8e2b543e00206","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 30: Security Fundamentals","sectionOrder":30,"title":"Authorization Patterns","order":3,"contentType":"LEARNING","contentSlug":"authorization-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_1d3fce24dd38d3efab278e0c893b2920","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 30: Security Fundamentals","sectionOrder":30,"title":"OAuth2 and OpenID Connect","order":4,"contentType":"LEARNING","contentSlug":"oauth2-and-openid-connect","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_09ad889a847899d3fb8386ce8cbd9148","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 30: Security Fundamentals","sectionOrder":30,"title":"JWT Tokens","order":5,"contentType":"LEARNING","contentSlug":"jwt-tokens","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_73fd0f5a7cd49b5f7c68bbbb1da85071","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 30: Security Fundamentals","sectionOrder":30,"title":"API Security","order":6,"contentType":"LEARNING","contentSlug":"api-security","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_23b6b113905c33d4555424032415ed92","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 30: Security Fundamentals","sectionOrder":30,"title":"Blocked access requests can approve themselves","order":7,"contentType":"REPO","contentSlug":"access-desk-approval-bypass","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_f7044397176f495c087b6d070dada9b9","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 30: Security Fundamentals","sectionOrder":30,"title":"Block denied access requests at activation","order":8,"contentType":"CODE_REVIEW","contentSlug":"access-desk-review-approval-bypass","description":null,"estimatedMins":35,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_efb503cf2244e3bf4e6fd69b439ea640","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 31: Security At Scale","sectionOrder":31,"title":"Zero Trust Architecture: Securing Distributed Systems","order":1,"contentType":"LEARNING","contentSlug":"zero-trust-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_93fcb11621f237975541f3761cd1bef8","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 31: Security At Scale","sectionOrder":31,"title":"TLS and Encryption in Transit","order":2,"contentType":"LEARNING","contentSlug":"tls-and-encryption-in-transit","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_f2e26df1bbb76c4ecaad436033ecd722","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 31: Security At Scale","sectionOrder":31,"title":"Encryption at Rest","order":3,"contentType":"LEARNING","contentSlug":"encryption-at-rest","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_d404760c41fa2474e2b855923aa08e0c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 31: Security At Scale","sectionOrder":31,"title":"Rate Limiting and Throttling","order":4,"contentType":"LEARNING","contentSlug":"rate-limiting-and-throttling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_b8d08bdbb61e95a2c334beed48572b74","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 31: Security At Scale","sectionOrder":31,"title":"DDoS Protection","order":5,"contentType":"LEARNING","contentSlug":"ddos-protection","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_f0f4f62732e0e10947db3018f713330f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 31: Security At Scale","sectionOrder":31,"title":"Security Monitoring","order":6,"contentType":"LEARNING","contentSlug":"security-monitoring","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_11186b97983c54b96fcb811f040300f6","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 32: Secrets Compliance","sectionOrder":32,"title":"Secrets Management","order":1,"contentType":"LEARNING","contentSlug":"hld-secrets-management","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_0993c158148326a905a879c12dd0e9db","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 32: Secrets Compliance","sectionOrder":32,"title":"Secrets Management Tools","order":2,"contentType":"LEARNING","contentSlug":"secrets-management-tools","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_0b4374915432eee5c40f3621e62f4435","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 32: Secrets Compliance","sectionOrder":32,"title":"Key Management","order":3,"contentType":"LEARNING","contentSlug":"key-management","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_6d61c655d452e63836c90b3efab65e02","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 32: Secrets Compliance","sectionOrder":32,"title":"Data Protection","order":4,"contentType":"LEARNING","contentSlug":"data-protection","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_d88e4338d5cb325d0bcd292ee4660487","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 32: Secrets Compliance","sectionOrder":32,"title":"Compliance Frameworks","order":5,"contentType":"LEARNING","contentSlug":"compliance-frameworks","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_f273b9705d934a2e0bb9966e4d42b0f4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 32: Secrets Compliance","sectionOrder":32,"title":"Audit and Logging for Compliance","order":6,"contentType":"LEARNING","contentSlug":"audit-logging-compliance","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_e930b548536d3ac9111d7a66f79dee1e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 33: Monolith To Microservices","sectionOrder":33,"title":"Understanding Monolithic Architecture","order":1,"contentType":"LEARNING","contentSlug":"monolith-architecture","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_ef0d9a48a0340fc131a9478db5ad8bc2","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 33: Monolith To Microservices","sectionOrder":33,"title":"Microservices Overview","order":2,"contentType":"LEARNING","contentSlug":"microservices-overview","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_46f4bc0f4a1f4198f6f5c6afca9c09e4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 33: Monolith To Microservices","sectionOrder":33,"title":"Modular Monolith: The Middle Ground","order":3,"contentType":"LEARNING","contentSlug":"modular-monolith","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_4fbc6d4c101d17c26b2a882e538eb1d7","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 33: Monolith To Microservices","sectionOrder":33,"title":"Strangler Fig Pattern: Gradual Migration from Monolith to Microservices","order":4,"contentType":"LEARNING","contentSlug":"strangler-fig-pattern","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_978aa1d134c62281f545b396f2c557cf","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 33: Monolith To Microservices","sectionOrder":33,"title":"Database Decomposition","order":5,"contentType":"LEARNING","contentSlug":"database-decomposition","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_b3eaaf2cc5c89d0109e7fdc620e3df4e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 33: Monolith To Microservices","sectionOrder":33,"title":"Migration Planning","order":6,"contentType":"LEARNING","contentSlug":"migration-planning","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_3bb9077efdaa245c264c5d5ae459251f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 34: Microservices Architecture","sectionOrder":34,"title":"Service Boundaries","order":1,"contentType":"LEARNING","contentSlug":"service-boundaries","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_d67625b1026479f94014c98e0aa2aa7c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 34: Microservices Architecture","sectionOrder":34,"title":"Inter-Service Communication","order":2,"contentType":"LEARNING","contentSlug":"inter-service-communication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_3d398c52389a1c9bc8ae2c748f0ec55c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 34: Microservices Architecture","sectionOrder":34,"title":"Data Ownership in Microservices","order":3,"contentType":"LEARNING","contentSlug":"data-ownership","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_00496eb06e8d4fc1fdfdfefcbf888b77","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 34: Microservices Architecture","sectionOrder":34,"title":"Service Mesh: Network Infrastructure for Microservices","order":4,"contentType":"LEARNING","contentSlug":"service-mesh","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_7cbfbac633a37b41f226ef89d7bbf4b7","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 34: Microservices Architecture","sectionOrder":34,"title":"API Gateway in Microservices","order":5,"contentType":"LEARNING","contentSlug":"api-gateway-in-microservices","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_0758a56afdbcdf93e61fcb54f5518e06","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 34: Microservices Architecture","sectionOrder":34,"title":"Testing Microservices","order":6,"contentType":"LEARNING","contentSlug":"testing-microservices","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_555ec4cdf5d81856fd8fcf8e11f01707","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"Event-Driven Fundamentals","order":1,"contentType":"LEARNING","contentSlug":"event-driven-fundamentals","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_80c3162ab7f5b6ffe2cbcc0b8b616fbc","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"CQRS at Scale","order":2,"contentType":"LEARNING","contentSlug":"cqrs-at-scale","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_c092975d500f880f0cd29c04067db711","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"Choreography vs Orchestration: Coordination Patterns in Event-Driven Systems","order":3,"contentType":"LEARNING","contentSlug":"choreography-vs-orchestration","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_2d801f3c9a6b5f6cb7fd15760c5e6b2a","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"Event Schema Evolution","order":4,"contentType":"LEARNING","contentSlug":"event-schema-evolution","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z"},{"id":"seed_203ff04b61089e49a2fde9c69f2416c3","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"Event-Driven Pitfalls","order":5,"contentType":"LEARNING","contentSlug":"event-driven-pitfalls","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_1b3a615d321c30f7fb5a49e798c836e1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"Design a Stream Processing System (Flink / Spark Streaming)","order":6,"contentType":"HLD","contentSlug":"design-stream-processing","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_a77657faf06640db59b9b4f9e17a4a6d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"Design an Ad Click Aggregation System","order":7,"contentType":"HLD","contentSlug":"design-ad-click-aggregation","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_86bc3c3826d18ab0c38c2ba0702967a6","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"Failed release journals leave a partially published room","order":8,"contentType":"REPO","contentSlug":"release-room-journal-recovery","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_6b09c0aa3995f6e01717bb987e52b515","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"Isolate the editorial transaction draft","order":9,"contentType":"CODE_REVIEW","contentSlug":"release-room-review-journal-recovery","description":null,"estimatedMins":35,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_45008433d3104e7c187fdc1b9b691504","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 36: Serverless Edge Computing","sectionOrder":36,"title":"Serverless Fundamentals: Rethinking Compute Infrastructure","order":1,"contentType":"LEARNING","contentSlug":"serverless-fundamentals","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_39eca62f088f2ff9d09c752c26e5d261","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 36: Serverless Edge Computing","sectionOrder":36,"title":"Cloud Functions: Mastering Function-as-a-Service","order":2,"contentType":"LEARNING","contentSlug":"cloud-functions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_386d6c39d9c94602d1fa86ab783ab678","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 36: Serverless Edge Computing","sectionOrder":36,"title":"Serverless Patterns","order":3,"contentType":"LEARNING","contentSlug":"serverless-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_9c7e667916bcc106e68ced290ec61ec2","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 36: Serverless Edge Computing","sectionOrder":36,"title":"Serverless Limitations","order":4,"contentType":"LEARNING","contentSlug":"serverless-limitations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_315b7be1e32f79e1db39e4c585cbef2d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 36: Serverless Edge Computing","sectionOrder":36,"title":"Edge Computing: Processing at the Network Periphery","order":5,"contentType":"LEARNING","contentSlug":"edge-computing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_cbb64ae541b154a2ad7a9bcc19657a39","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 36: Serverless Edge Computing","sectionOrder":36,"title":"When to Use Serverless","order":6,"contentType":"LEARNING","contentSlug":"when-to-use-serverless","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_bed162d11c46346bbe6a90d2ff4dc187","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 37: Containerization Orchestration","sectionOrder":37,"title":"Container Fundamentals","order":1,"contentType":"LEARNING","contentSlug":"container-fundamentals","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_f74392ae6c3ec9683c816fe94d6f4ff4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 37: Containerization Orchestration","sectionOrder":37,"title":"Understanding Kubernetes Architecture","order":2,"contentType":"LEARNING","contentSlug":"kubernetes-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_76a729d27e62f68f79b0e81361e0dc65","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 37: Containerization Orchestration","sectionOrder":37,"title":"Kubernetes Workloads: From Deployments to CronJobs","order":3,"contentType":"LEARNING","contentSlug":"kubernetes-workloads","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_11324382f2f05466472bf6b89a2e6611","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 37: Containerization Orchestration","sectionOrder":37,"title":"Kubernetes Networking","order":4,"contentType":"LEARNING","contentSlug":"kubernetes-networking","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_95c2e6a99d51038174c06e823bcd0566","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 37: Containerization Orchestration","sectionOrder":37,"title":"Kubernetes Storage","order":5,"contentType":"LEARNING","contentSlug":"kubernetes-storage","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_e2cb888b218a47c35fe5c2018226c1c1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 37: Containerization Orchestration","sectionOrder":37,"title":"Kubernetes Operations","order":6,"contentType":"LEARNING","contentSlug":"kubernetes-operations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_113287a2a0e07ada6b43a38ee0eaa94e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 38: Cloud Architecture","sectionOrder":38,"title":"Cloud Computing Models","order":1,"contentType":"LEARNING","contentSlug":"cloud-computing-models","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_095c609b5133050d099ba53a7241cc38","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 38: Cloud Architecture","sectionOrder":38,"title":"Cloud Regions and Availability Zones","order":2,"contentType":"LEARNING","contentSlug":"regions-availability-zones","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_01d5fd9b90ff966cdfda77713d42ce9d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 38: Cloud Architecture","sectionOrder":38,"title":"Multi-Cloud Architecture: Strategy, Challenges, and Implementation","order":3,"contentType":"LEARNING","contentSlug":"multi-cloud-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_ab74704972e7e55ae41271550505a27f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 38: Cloud Architecture","sectionOrder":38,"title":"Hybrid Cloud Architecture","order":4,"contentType":"LEARNING","contentSlug":"hybrid-cloud","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_7bc4bcfe999c28392f92f3d4af463a89","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 38: Cloud Architecture","sectionOrder":38,"title":"Cloud Cost Optimization","order":5,"contentType":"LEARNING","contentSlug":"cloud-cost-optimization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_f4005d98c4e9646982f30656028de764","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 38: Cloud Architecture","sectionOrder":38,"title":"Cloud Security Architecture","order":6,"contentType":"LEARNING","contentSlug":"cloud-security-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_4fc3e9dddca868133b41dbf0e04a8af2","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 39: Infrastructure As Code","sectionOrder":39,"title":"What Is Infrastructure as Code?","order":1,"contentType":"LEARNING","contentSlug":"what-is-infrastructure-as-code","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_18a488638dd1a9cf52d078d09c2971e9","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 39: Infrastructure As Code","sectionOrder":39,"title":"Terraform: Infrastructure as Code Mastery","order":2,"contentType":"LEARNING","contentSlug":"terraform","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_3daa2cb535c5d0094389f2dcd991ae9d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 39: Infrastructure As Code","sectionOrder":39,"title":"CI/CD for Infrastructure","order":3,"contentType":"LEARNING","contentSlug":"cicd-for-infrastructure","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_76a7c0e6d4719de13e273f97114bfff4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 39: Infrastructure As Code","sectionOrder":39,"title":"Deployment Strategies","order":4,"contentType":"LEARNING","contentSlug":"deployment-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_0e9d67bf1d39679cc15f25f356bc595f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 39: Infrastructure As Code","sectionOrder":39,"title":"Configuration Management: Infrastructure Automation at Scale","order":5,"contentType":"LEARNING","contentSlug":"hld-configuration-management","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_8ff9419df31427df4605457726710b30","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 39: Infrastructure As Code","sectionOrder":39,"title":"GitOps: Infrastructure and Application Delivery via Git","order":6,"contentType":"LEARNING","contentSlug":"gitops","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_cf8324d4edcf4fa370e6b3b351ca2ca0","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 40: System Design Framework","sectionOrder":40,"title":"Understanding the Problem: The Foundation of System Design","order":1,"contentType":"LEARNING","contentSlug":"understanding-the-problem","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_fb3e6b9be77ddd168d4cc66c6314d975","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 40: System Design Framework","sectionOrder":40,"title":"Functional Requirements in System Design","order":2,"contentType":"LEARNING","contentSlug":"functional-requirements","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_8d5346a9cc4ce147ae3596795386d8b1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 40: System Design Framework","sectionOrder":40,"title":"Non-Functional Requirements","order":3,"contentType":"LEARNING","contentSlug":"non-functional-requirements","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_436a88362a9b45283fbe3137caf3daae","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 40: System Design Framework","sectionOrder":40,"title":"High-Level Design: From Requirements to Architecture","order":4,"contentType":"LEARNING","contentSlug":"high-level-design","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_6699e193e332be0cd3d56ba49ba2fd20","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 40: System Design Framework","sectionOrder":40,"title":"Deep Dive: Refining System Designs","order":5,"contentType":"LEARNING","contentSlug":"deep-dive","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_0ec3080e51ae9996f5b4e087c576f553","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 40: System Design Framework","sectionOrder":40,"title":"Design Validation","order":6,"contentType":"LEARNING","contentSlug":"design-validation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_444e4e51ac23d8d275594448ee1b1d60","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 41: Interview Strategies","sectionOrder":41,"title":"What Interviewers Look For in System Design Interviews","order":1,"contentType":"LEARNING","contentSlug":"hld-what-interviewers-look-for","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_9e2ee2da27d1b95c8a7f24a43c6ed090","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 41: Interview Strategies","sectionOrder":41,"title":"Time Management in System Design Interviews","order":2,"contentType":"LEARNING","contentSlug":"time-management","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_5b5720d8f77499ae39c24f2dcaeb391a","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 41: Interview Strategies","sectionOrder":41,"title":"Clarifying Requirements in System Design Interviews","order":3,"contentType":"LEARNING","contentSlug":"hld-clarifying-requirements","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_30636345efd89a00355615e533213f0d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 41: Interview Strategies","sectionOrder":41,"title":"Communication Strategies","order":4,"contentType":"LEARNING","contentSlug":"communication-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_d34f51a85a15065dd1c4e306c1ce9d12","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 41: Interview Strategies","sectionOrder":41,"title":"Handling Constraints","order":5,"contentType":"LEARNING","contentSlug":"handling-constraints","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_7b4667a8762eb095487cd39d12ff804f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 41: Interview Strategies","sectionOrder":41,"title":"Common Mistakes to Avoid","order":6,"contentType":"LEARNING","contentSlug":"common-mistakes-to-avoid","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_2e9baafcebccbce08d1d44ead2baf612","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 41: Interview Strategies","sectionOrder":41,"title":"Mock Interview Practice","order":7,"contentType":"LEARNING","contentSlug":"mock-interview-practice","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_802e19dbf8168aaaada5527758c3338e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"Designing Twitter/X: Social Media Feed at Scale","order":1,"contentType":"LEARNING","contentSlug":"twitter-feed-design","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_057ae08fff30346cff8d20e0350b4ef4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"WhatsApp Messaging System Design","order":2,"contentType":"LEARNING","contentSlug":"whatsapp-messaging","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_acdbb8f1e8090f0643b088b64e36a786","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"Facebook Newsfeed Design","order":3,"contentType":"LEARNING","contentSlug":"facebook-newsfeed","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_f94d862d0fda12ce8d6604639b4b9c41","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"Design Discord: Voice, Video & Chat Platform","order":4,"contentType":"LEARNING","contentSlug":"discord-voice-chat","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_081167ba80101cff19d1184e38d650f1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"LinkedIn Connections: Designing Professional Social Graphs","order":5,"contentType":"LEARNING","contentSlug":"linkedin-connections","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_b796e03206e1b1a81f631d330933e398","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"Design a Notification System","order":6,"contentType":"LEARNING","contentSlug":"notification-system","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_f5a210a26cb8d8f4f491486d07c62ac7","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"Design Twitter Timeline","order":7,"contentType":"HLD","contentSlug":"design-twitter-timeline","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_b78b2537c0dacbfdf0b6277ee117728d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"Design Instagram News Feed","order":8,"contentType":"HLD","contentSlug":"design-instagram-news-feed","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_a06176da8d6f9be06a1009807752b825","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"Design a Notification System","order":9,"contentType":"HLD","contentSlug":"design-notification-system","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_b3d909078d91ae9c216790156f107b2f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"Design WhatsApp Messenger","order":10,"contentType":"HLD","contentSlug":"design-whatsapp","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_f2e37ba0f8825b7fd84e82f0da32705b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Designing YouTube: A Video Platform at Planetary Scale","order":1,"contentType":"LEARNING","contentSlug":"youtube-video-platform","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_1eccf326c8b03d7a8ec249301b9a7078","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Netflix Streaming Service Design","order":2,"contentType":"LEARNING","contentSlug":"netflix-streaming","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_90017d45939b7be54f13b0ba5f97c521","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Designing Instagram: Photo-Sharing at Planetary Scale","order":3,"contentType":"LEARNING","contentSlug":"instagram-photos","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_17489bb8a25280ccfe7ed6237a1e0fe9","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Designing Spotify: Music Streaming at Scale","order":4,"contentType":"LEARNING","contentSlug":"spotify-music-streaming","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_f7c049d63ce4b08bea534fbac7969ca4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Designing TikTok: Short-Form Video Platform","order":5,"contentType":"LEARNING","contentSlug":"tiktok-short-videos","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_d65fb74068ec7a2d83c32c975be1584a","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Designing Cloud File Storage Systems","order":6,"contentType":"LEARNING","contentSlug":"google-drive-dropbox","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_1c41b54ce7be723d490e55ab054cc88e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Design YouTube Video Streaming","order":7,"contentType":"HLD","contentSlug":"design-youtube-video-streaming","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_ff24f931d0c4d2e9c3e6208f5de7e6b5","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Design Zoom","order":8,"contentType":"HLD","contentSlug":"design-zoom","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_89c25bf4f8748b07f26b3c97f41fab1c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Design Google Docs","order":9,"contentType":"HLD","contentSlug":"design-google-docs","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_91b7545a0f30372381dca9855543226f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Uber / Lyft Ride-Sharing System Design","order":1,"contentType":"LEARNING","contentSlug":"uber-lyft-ridesharing","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_ecf8711de51ebb6079213663c4e3ecaa","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Designing Amazon: E-Commerce at Massive Scale","order":2,"contentType":"LEARNING","contentSlug":"amazon-e-commerce","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_bc17212a7ea57cfd2f8c066d72d3526f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Designing a Payment System","order":3,"contentType":"LEARNING","contentSlug":"payment-system","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_6765eeedaad036d4a74ac5af2077db58","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Designing a URL Shortener","order":4,"contentType":"LEARNING","contentSlug":"url-shortener","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_4dae645d3084378ed639d05ca90ce02f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Designing a Rate Limiter","order":5,"contentType":"LEARNING","contentSlug":"rate-limiter","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_68b885c5b324d0e00d0f54af22c7f32f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Designing a Distributed Cache","order":6,"contentType":"LEARNING","contentSlug":"distributed-cache","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_7323e6e029c513ed065b071bd85e6a37","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Designing a Web Crawler at Scale","order":7,"contentType":"LEARNING","contentSlug":"web-crawler","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_47c6a1a6da349f8dfb24ad6d877ac547","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design BookMyShow","order":8,"contentType":"HLD","contentSlug":"design-bookmyshow","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_8420ed184ec2a4e30425c22f2b46dda8","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design Flipkart","order":9,"contentType":"HLD","contentSlug":"design-flipkart","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_3658e0a05c13c10791aa5ec670d80be2","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design Zomato","order":10,"contentType":"HLD","contentSlug":"design-zomato","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_5c2778f2f9f0e1992fa72105e2731511","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design Airbnb","order":11,"contentType":"HLD","contentSlug":"design-airbnb","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_4fc8148ca2aef1bd970abc95d76068b4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design Stripe","order":12,"contentType":"HLD","contentSlug":"design-stripe","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_a3ea8d5bbc7d4c6e75263955c9bc8fbc","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design Groww","order":13,"contentType":"HLD","contentSlug":"design-groww","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_643d49dd26ff49e41ebd9c9d04fdfef7","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design Google Maps","order":14,"contentType":"HLD","contentSlug":"design-google-maps","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_73da36a0bf6cf0f1abd67feec201adb5","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design a Real-Time Gaming Leaderboard","order":15,"contentType":"HLD","contentSlug":"design-real-time-gaming-leaderboard","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_018f9a38b08a4d4528b63083cdfc63ac","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design a Recommendation System","order":16,"contentType":"HLD","contentSlug":"design-recommendation-system","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_c86470546caed944bb6d131ffc4103cd","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design a Content Moderation System","order":17,"contentType":"HLD","contentSlug":"design-content-moderation","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_8aaffd77a78107daaf985f9f0376fb9c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design a Machine Learning Feature Store","order":18,"contentType":"HLD","contentSlug":"design-ml-feature-store","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"},{"id":"seed_a19847916d74e17a9e9767bb4a752908","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design a Blockchain / Distributed Ledger","order":19,"contentType":"HLD","contentSlug":"design-blockchain-distributed-ledger","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z"}],"sections":[{"title":"Chapter 1: Introduction To System Design","order":1,"modules":["$45:props:state:queries:0:state:data:json:modules:0","$45:props:state:queries:0:state:data:json:modules:1","$45:props:state:queries:0:state:data:json:modules:2","$45:props:state:queries:0:state:data:json:modules:3","$45:props:state:queries:0:state:data:json:modules:4","$45:props:state:queries:0:state:data:json:modules:5"]},{"title":"Chapter 2: System Design Thinking","order":2,"modules":["$45:props:state:queries:0:state:data:json:modules:6","$45:props:state:queries:0:state:data:json:modules:7","$45:props:state:queries:0:state:data:json:modules:8","$45:props:state:queries:0:state:data:json:modules:9","$45:props:state:queries:0:state:data:json:modules:10","$45:props:state:queries:0:state:data:json:modules:11","$45:props:state:queries:0:state:data:json:modules:12","$45:props:state:queries:0:state:data:json:modules:13"]},{"title":"Chapter 3: Client Server And Service Architecture","order":3,"modules":["$45:props:state:queries:0:state:data:json:modules:14","$45:props:state:queries:0:state:data:json:modules:15","$45:props:state:queries:0:state:data:json:modules:16","$45:props:state:queries:0:state:data:json:modules:17","$45:props:state:queries:0:state:data:json:modules:18","$45:props:state:queries:0:state:data:json:modules:19"]},{"title":"Chapter 4: Distributed Systems Fundamentals","order":4,"modules":["$45:props:state:queries:0:state:data:json:modules:20","$45:props:state:queries:0:state:data:json:modules:21","$45:props:state:queries:0:state:data:json:modules:22","$45:props:state:queries:0:state:data:json:modules:23","$45:props:state:queries:0:state:data:json:modules:24","$45:props:state:queries:0:state:data:json:modules:25"]},{"title":"Chapter 5: Distributed Coordination And Consensus","order":5,"modules":["$45:props:state:queries:0:state:data:json:modules:26","$45:props:state:queries:0:state:data:json:modules:27","$45:props:state:queries:0:state:data:json:modules:28","$45:props:state:queries:0:state:data:json:modules:29","$45:props:state:queries:0:state:data:json:modules:30","$45:props:state:queries:0:state:data:json:modules:31","$45:props:state:queries:0:state:data:json:modules:32","$45:props:state:queries:0:state:data:json:modules:33","$45:props:state:queries:0:state:data:json:modules:34"]},{"title":"Chapter 6: Scalability Fundamentals","order":6,"modules":["$45:props:state:queries:0:state:data:json:modules:35","$45:props:state:queries:0:state:data:json:modules:36","$45:props:state:queries:0:state:data:json:modules:37","$45:props:state:queries:0:state:data:json:modules:38","$45:props:state:queries:0:state:data:json:modules:39","$45:props:state:queries:0:state:data:json:modules:40"]},{"title":"Chapter 7: Load Balancing And Traffic Routing","order":7,"modules":["$45:props:state:queries:0:state:data:json:modules:41","$45:props:state:queries:0:state:data:json:modules:42","$45:props:state:queries:0:state:data:json:modules:43","$45:props:state:queries:0:state:data:json:modules:44","$45:props:state:queries:0:state:data:json:modules:45","$45:props:state:queries:0:state:data:json:modules:46","$45:props:state:queries:0:state:data:json:modules:47"]},{"title":"Chapter 8: Caching Strategies","order":8,"modules":["$45:props:state:queries:0:state:data:json:modules:48","$45:props:state:queries:0:state:data:json:modules:49","$45:props:state:queries:0:state:data:json:modules:50","$45:props:state:queries:0:state:data:json:modules:51","$45:props:state:queries:0:state:data:json:modules:52","$45:props:state:queries:0:state:data:json:modules:53","$45:props:state:queries:0:state:data:json:modules:54","$45:props:state:queries:0:state:data:json:modules:55","$45:props:state:queries:0:state:data:json:modules:56"]},{"title":"Chapter 9: Performance Optimization","order":9,"modules":["$45:props:state:queries:0:state:data:json:modules:57","$45:props:state:queries:0:state:data:json:modules:58","$45:props:state:queries:0:state:data:json:modules:59","$45:props:state:queries:0:state:data:json:modules:60","$45:props:state:queries:0:state:data:json:modules:61","$45:props:state:queries:0:state:data:json:modules:62"]},{"title":"Chapter 10: Database Fundamentals","order":10,"modules":["$45:props:state:queries:0:state:data:json:modules:63","$45:props:state:queries:0:state:data:json:modules:64","$45:props:state:queries:0:state:data:json:modules:65","$45:props:state:queries:0:state:data:json:modules:66","$45:props:state:queries:0:state:data:json:modules:67","$45:props:state:queries:0:state:data:json:modules:68"]},{"title":"Chapter 11: Database Replication Partitioning","order":11,"modules":["$45:props:state:queries:0:state:data:json:modules:69","$45:props:state:queries:0:state:data:json:modules:70","$45:props:state:queries:0:state:data:json:modules:71","$45:props:state:queries:0:state:data:json:modules:72","$45:props:state:queries:0:state:data:json:modules:73","$45:props:state:queries:0:state:data:json:modules:74","$45:props:state:queries:0:state:data:json:modules:75","$45:props:state:queries:0:state:data:json:modules:76","$45:props:state:queries:0:state:data:json:modules:77"]},{"title":"Chapter 12: Sql Databases Deep Dive","order":12,"modules":["$45:props:state:queries:0:state:data:json:modules:78","$45:props:state:queries:0:state:data:json:modules:79","$45:props:state:queries:0:state:data:json:modules:80","$45:props:state:queries:0:state:data:json:modules:81","$45:props:state:queries:0:state:data:json:modules:82","$45:props:state:queries:0:state:data:json:modules:83"]},{"title":"Chapter 13: Nosql Databases Deep Dive","order":13,"modules":["$45:props:state:queries:0:state:data:json:modules:84","$45:props:state:queries:0:state:data:json:modules:85","$45:props:state:queries:0:state:data:json:modules:86","$45:props:state:queries:0:state:data:json:modules:87","$45:props:state:queries:0:state:data:json:modules:88","$45:props:state:queries:0:state:data:json:modules:89","$45:props:state:queries:0:state:data:json:modules:90"]},{"title":"Chapter 14: Real World Database Architectures","order":14,"modules":["$45:props:state:queries:0:state:data:json:modules:91","$45:props:state:queries:0:state:data:json:modules:92","$45:props:state:queries:0:state:data:json:modules:93","$45:props:state:queries:0:state:data:json:modules:94","$45:props:state:queries:0:state:data:json:modules:95","$45:props:state:queries:0:state:data:json:modules:96"]},{"title":"Chapter 15: Data Consistency Conflict Resolution","order":15,"modules":["$45:props:state:queries:0:state:data:json:modules:97","$45:props:state:queries:0:state:data:json:modules:98","$45:props:state:queries:0:state:data:json:modules:99","$45:props:state:queries:0:state:data:json:modules:100","$45:props:state:queries:0:state:data:json:modules:101","$45:props:state:queries:0:state:data:json:modules:102"]},{"title":"Chapter 16: Distributed Data Patterns","order":16,"modules":["$45:props:state:queries:0:state:data:json:modules:103","$45:props:state:queries:0:state:data:json:modules:104","$45:props:state:queries:0:state:data:json:modules:105","$45:props:state:queries:0:state:data:json:modules:106","$45:props:state:queries:0:state:data:json:modules:107","$45:props:state:queries:0:state:data:json:modules:108","$45:props:state:queries:0:state:data:json:modules:109","$45:props:state:queries:0:state:data:json:modules:110"]},{"title":"Chapter 17: Api Design Fundamentals","order":17,"modules":["$45:props:state:queries:0:state:data:json:modules:111","$45:props:state:queries:0:state:data:json:modules:112","$45:props:state:queries:0:state:data:json:modules:113","$45:props:state:queries:0:state:data:json:modules:114","$45:props:state:queries:0:state:data:json:modules:115","$45:props:state:queries:0:state:data:json:modules:116","$45:props:state:queries:0:state:data:json:modules:117"]},{"title":"Chapter 18: Api Gateway Patterns","order":18,"modules":["$45:props:state:queries:0:state:data:json:modules:118","$45:props:state:queries:0:state:data:json:modules:119","$45:props:state:queries:0:state:data:json:modules:120","$45:props:state:queries:0:state:data:json:modules:121","$45:props:state:queries:0:state:data:json:modules:122","$45:props:state:queries:0:state:data:json:modules:123","$45:props:state:queries:0:state:data:json:modules:124"]},{"title":"Chapter 19: Synchronous Communication","order":19,"modules":["$45:props:state:queries:0:state:data:json:modules:125","$45:props:state:queries:0:state:data:json:modules:126","$45:props:state:queries:0:state:data:json:modules:127","$45:props:state:queries:0:state:data:json:modules:128","$45:props:state:queries:0:state:data:json:modules:129","$45:props:state:queries:0:state:data:json:modules:130"]},{"title":"Chapter 20: Asynchronous Communication","order":20,"modules":["$45:props:state:queries:0:state:data:json:modules:131","$45:props:state:queries:0:state:data:json:modules:132","$45:props:state:queries:0:state:data:json:modules:133","$45:props:state:queries:0:state:data:json:modules:134","$45:props:state:queries:0:state:data:json:modules:135","$45:props:state:queries:0:state:data:json:modules:136","$45:props:state:queries:0:state:data:json:modules:137","$45:props:state:queries:0:state:data:json:modules:138"]},{"title":"Chapter 21: Real Time Systems","order":21,"modules":["$45:props:state:queries:0:state:data:json:modules:139","$45:props:state:queries:0:state:data:json:modules:140","$45:props:state:queries:0:state:data:json:modules:141","$45:props:state:queries:0:state:data:json:modules:142","$45:props:state:queries:0:state:data:json:modules:143","$45:props:state:queries:0:state:data:json:modules:144","$45:props:state:queries:0:state:data:json:modules:145"]},{"title":"Chapter 22: Object File Storage","order":22,"modules":["$45:props:state:queries:0:state:data:json:modules:146","$45:props:state:queries:0:state:data:json:modules:147","$45:props:state:queries:0:state:data:json:modules:148","$45:props:state:queries:0:state:data:json:modules:149","$45:props:state:queries:0:state:data:json:modules:150","$45:props:state:queries:0:state:data:json:modules:151","$45:props:state:queries:0:state:data:json:modules:152","$45:props:state:queries:0:state:data:json:modules:153"]},{"title":"Chapter 23: Content Delivery Networks","order":23,"modules":["$45:props:state:queries:0:state:data:json:modules:154","$45:props:state:queries:0:state:data:json:modules:155","$45:props:state:queries:0:state:data:json:modules:156","$45:props:state:queries:0:state:data:json:modules:157","$45:props:state:queries:0:state:data:json:modules:158","$45:props:state:queries:0:state:data:json:modules:159","$45:props:state:queries:0:state:data:json:modules:160","$45:props:state:queries:0:state:data:json:modules:161"]},{"title":"Chapter 24: Search Systems","order":24,"modules":["$45:props:state:queries:0:state:data:json:modules:162","$45:props:state:queries:0:state:data:json:modules:163","$45:props:state:queries:0:state:data:json:modules:164","$45:props:state:queries:0:state:data:json:modules:165","$45:props:state:queries:0:state:data:json:modules:166","$45:props:state:queries:0:state:data:json:modules:167","$45:props:state:queries:0:state:data:json:modules:168","$45:props:state:queries:0:state:data:json:modules:169","$45:props:state:queries:0:state:data:json:modules:170"]},{"title":"Chapter 25: High Availability","order":25,"modules":["$45:props:state:queries:0:state:data:json:modules:171","$45:props:state:queries:0:state:data:json:modules:172","$45:props:state:queries:0:state:data:json:modules:173","$45:props:state:queries:0:state:data:json:modules:174","$45:props:state:queries:0:state:data:json:modules:175","$45:props:state:queries:0:state:data:json:modules:176"]},{"title":"Chapter 26: Fault Tolerance Patterns","order":26,"modules":["$45:props:state:queries:0:state:data:json:modules:177","$45:props:state:queries:0:state:data:json:modules:178","$45:props:state:queries:0:state:data:json:modules:179","$45:props:state:queries:0:state:data:json:modules:180","$45:props:state:queries:0:state:data:json:modules:181","$45:props:state:queries:0:state:data:json:modules:182"]},{"title":"Chapter 27: Monitoring Observability","order":27,"modules":["$45:props:state:queries:0:state:data:json:modules:183","$45:props:state:queries:0:state:data:json:modules:184","$45:props:state:queries:0:state:data:json:modules:185","$45:props:state:queries:0:state:data:json:modules:186","$45:props:state:queries:0:state:data:json:modules:187","$45:props:state:queries:0:state:data:json:modules:188","$45:props:state:queries:0:state:data:json:modules:189","$45:props:state:queries:0:state:data:json:modules:190"]},{"title":"Chapter 28: Slos Slis Incident Management","order":28,"modules":["$45:props:state:queries:0:state:data:json:modules:191","$45:props:state:queries:0:state:data:json:modules:192","$45:props:state:queries:0:state:data:json:modules:193","$45:props:state:queries:0:state:data:json:modules:194","$45:props:state:queries:0:state:data:json:modules:195","$45:props:state:queries:0:state:data:json:modules:196"]},{"title":"Chapter 29: Chaos Engineering","order":29,"modules":["$45:props:state:queries:0:state:data:json:modules:197","$45:props:state:queries:0:state:data:json:modules:198","$45:props:state:queries:0:state:data:json:modules:199","$45:props:state:queries:0:state:data:json:modules:200","$45:props:state:queries:0:state:data:json:modules:201","$45:props:state:queries:0:state:data:json:modules:202"]},{"title":"Chapter 30: Security Fundamentals","order":30,"modules":["$45:props:state:queries:0:state:data:json:modules:203","$45:props:state:queries:0:state:data:json:modules:204","$45:props:state:queries:0:state:data:json:modules:205","$45:props:state:queries:0:state:data:json:modules:206","$45:props:state:queries:0:state:data:json:modules:207","$45:props:state:queries:0:state:data:json:modules:208","$45:props:state:queries:0:state:data:json:modules:209","$45:props:state:queries:0:state:data:json:modules:210"]},{"title":"Chapter 31: Security At Scale","order":31,"modules":["$45:props:state:queries:0:state:data:json:modules:211","$45:props:state:queries:0:state:data:json:modules:212","$45:props:state:queries:0:state:data:json:modules:213","$45:props:state:queries:0:state:data:json:modules:214","$45:props:state:queries:0:state:data:json:modules:215","$45:props:state:queries:0:state:data:json:modules:216"]},{"title":"Chapter 32: Secrets Compliance","order":32,"modules":["$45:props:state:queries:0:state:data:json:modules:217","$45:props:state:queries:0:state:data:json:modules:218","$45:props:state:queries:0:state:data:json:modules:219","$45:props:state:queries:0:state:data:json:modules:220","$45:props:state:queries:0:state:data:json:modules:221","$45:props:state:queries:0:state:data:json:modules:222"]},{"title":"Chapter 33: Monolith To Microservices","order":33,"modules":["$45:props:state:queries:0:state:data:json:modules:223","$45:props:state:queries:0:state:data:json:modules:224","$45:props:state:queries:0:state:data:json:modules:225","$45:props:state:queries:0:state:data:json:modules:226","$45:props:state:queries:0:state:data:json:modules:227","$45:props:state:queries:0:state:data:json:modules:228"]},{"title":"Chapter 34: Microservices Architecture","order":34,"modules":["$45:props:state:queries:0:state:data:json:modules:229","$45:props:state:queries:0:state:data:json:modules:230","$45:props:state:queries:0:state:data:json:modules:231","$45:props:state:queries:0:state:data:json:modules:232","$45:props:state:queries:0:state:data:json:modules:233","$45:props:state:queries:0:state:data:json:modules:234"]},{"title":"Chapter 35: Event Driven Architecture","order":35,"modules":["$45:props:state:queries:0:state:data:json:modules:235","$45:props:state:queries:0:state:data:json:modules:236","$45:props:state:queries:0:state:data:json:modules:237","$45:props:state:queries:0:state:data:json:modules:238","$45:props:state:queries:0:state:data:json:modules:239","$45:props:state:queries:0:state:data:json:modules:240","$45:props:state:queries:0:state:data:json:modules:241","$45:props:state:queries:0:state:data:json:modules:242","$45:props:state:queries:0:state:data:json:modules:243"]},{"title":"Chapter 36: Serverless Edge Computing","order":36,"modules":["$45:props:state:queries:0:state:data:json:modules:244","$45:props:state:queries:0:state:data:json:modules:245","$45:props:state:queries:0:state:data:json:modules:246","$45:props:state:queries:0:state:data:json:modules:247","$45:props:state:queries:0:state:data:json:modules:248","$45:props:state:queries:0:state:data:json:modules:249"]},{"title":"Chapter 37: Containerization Orchestration","order":37,"modules":["$45:props:state:queries:0:state:data:json:modules:250","$45:props:state:queries:0:state:data:json:modules:251","$45:props:state:queries:0:state:data:json:modules:252","$45:props:state:queries:0:state:data:json:modules:253","$45:props:state:queries:0:state:data:json:modules:254","$45:props:state:queries:0:state:data:json:modules:255"]},{"title":"Chapter 38: Cloud Architecture","order":38,"modules":["$45:props:state:queries:0:state:data:json:modules:256","$45:props:state:queries:0:state:data:json:modules:257","$45:props:state:queries:0:state:data:json:modules:258","$45:props:state:queries:0:state:data:json:modules:259","$45:props:state:queries:0:state:data:json:modules:260","$45:props:state:queries:0:state:data:json:modules:261"]},{"title":"Chapter 39: Infrastructure As Code","order":39,"modules":["$45:props:state:queries:0:state:data:json:modules:262","$45:props:state:queries:0:state:data:json:modules:263","$45:props:state:queries:0:state:data:json:modules:264","$45:props:state:queries:0:state:data:json:modules:265","$45:props:state:queries:0:state:data:json:modules:266","$45:props:state:queries:0:state:data:json:modules:267"]},{"title":"Chapter 40: System Design Framework","order":40,"modules":["$45:props:state:queries:0:state:data:json:modules:268","$45:props:state:queries:0:state:data:json:modules:269","$45:props:state:queries:0:state:data:json:modules:270","$45:props:state:queries:0:state:data:json:modules:271","$45:props:state:queries:0:state:data:json:modules:272","$45:props:state:queries:0:state:data:json:modules:273"]},{"title":"Chapter 41: Interview Strategies","order":41,"modules":["$45:props:state:queries:0:state:data:json:modules:274","$45:props:state:queries:0:state:data:json:modules:275","$45:props:state:queries:0:state:data:json:modules:276","$45:props:state:queries:0:state:data:json:modules:277","$45:props:state:queries:0:state:data:json:modules:278","$45:props:state:queries:0:state:data:json:modules:279","$45:props:state:queries:0:state:data:json:modules:280"]},{"title":"Chapter 42: Social Communication Systems","order":42,"modules":["$45:props:state:queries:0:state:data:json:modules:281","$45:props:state:queries:0:state:data:json:modules:282","$45:props:state:queries:0:state:data:json:modules:283","$45:props:state:queries:0:state:data:json:modules:284","$45:props:state:queries:0:state:data:json:modules:285","$45:props:state:queries:0:state:data:json:modules:286","$45:props:state:queries:0:state:data:json:modules:287","$45:props:state:queries:0:state:data:json:modules:288","$45:props:state:queries:0:state:data:json:modules:289","$45:props:state:queries:0:state:data:json:modules:290"]},{"title":"Chapter 43: Media Content Systems","order":43,"modules":["$45:props:state:queries:0:state:data:json:modules:291","$45:props:state:queries:0:state:data:json:modules:292","$45:props:state:queries:0:state:data:json:modules:293","$45:props:state:queries:0:state:data:json:modules:294","$45:props:state:queries:0:state:data:json:modules:295","$45:props:state:queries:0:state:data:json:modules:296","$45:props:state:queries:0:state:data:json:modules:297","$45:props:state:queries:0:state:data:json:modules:298","$45:props:state:queries:0:state:data:json:modules:299"]},{"title":"Chapter 44: Commerce Infrastructure Systems","order":44,"modules":["$45:props:state:queries:0:state:data:json:modules:300","$45:props:state:queries:0:state:data:json:modules:301","$45:props:state:queries:0:state:data:json:modules:302","$45:props:state:queries:0:state:data:json:modules:303","$45:props:state:queries:0:state:data:json:modules:304","$45:props:state:queries:0:state:data:json:modules:305","$45:props:state:queries:0:state:data:json:modules:306","$45:props:state:queries:0:state:data:json:modules:307","$45:props:state:queries:0:state:data:json:modules:308","$45:props:state:queries:0:state:data:json:modules:309","$45:props:state:queries:0:state:data:json:modules:310","$45:props:state:queries:0:state:data:json:modules:311","$45:props:state:queries:0:state:data:json:modules:312","$45:props:state:queries:0:state:data:json:modules:313","$45:props:state:queries:0:state:data:json:modules:314","$45:props:state:queries:0:state:data:json:modules:315","$45:props:state:queries:0:state:data:json:modules:316","$45:props:state:queries:0:state:data:json:modules:317","$45:props:state:queries:0:state:data:json:modules:318"]}]},"meta":{"values":{"createdAt":["Date"],"updatedAt":["Date"],"modules.0.createdAt":["Date"],"modules.0.updatedAt":["Date"],"modules.1.createdAt":["Date"],"modules.1.updatedAt":["Date"],"modules.2.createdAt":["Date"],"modules.2.updatedAt":["Date"],"modules.3.createdAt":["Date"],"modules.3.updatedAt":["Date"],"modules.4.createdAt":["Date"],"modules.4.updatedAt":["Date"],"modules.5.createdAt":["Date"],"modules.5.updatedAt":["Date"],"modules.6.createdAt":["Date"],"modules.6.updatedAt":["Date"],"modules.7.createdAt":["Date"],"modules.7.updatedAt":["Date"],"modules.8.createdAt":["Date"],"modules.8.updatedAt":["Date"],"modules.9.createdAt":["Date"],"modules.9.updatedAt":["Date"],"modules.10.createdAt":["Date"],"modules.10.updatedAt":["Date"],"modules.11.createdAt":["Date"],"modules.11.updatedAt":["Date"],"modules.12.createdAt":["Date"],"modules.12.updatedAt":["Date"],"modules.13.createdAt":["Date"],"modules.13.updatedAt":["Date"],"modules.14.createdAt":["Date"],"modules.14.updatedAt":["Date"],"modules.15.createdAt":["Date"],"modules.15.updatedAt":["Date"],"modules.16.createdAt":["Date"],"modules.16.updatedAt":["Date"],"modules.17.createdAt":["Date"],"modules.17.updatedAt":["Date"],"modules.18.createdAt":["Date"],"modules.18.updatedAt":["Date"],"modules.19.createdAt":["Date"],"modules.19.updatedAt":["Date"],"modules.20.createdAt":["Date"],"modules.20.updatedAt":["Date"],"modules.21.createdAt":["Date"],"modules.21.updatedAt":["Date"],"modules.22.createdAt":["Date"],"modules.22.updatedAt":["Date"],"modules.23.createdAt":["Date"],"modules.23.updatedAt":["Date"],"modules.24.createdAt":["Date"],"modules.24.updatedAt":["Date"],"modules.25.createdAt":["Date"],"modules.25.updatedAt":["Date"],"modules.26.createdAt":["Date"],"modules.26.updatedAt":["Date"],"modules.27.createdAt":["Date"],"modules.27.updatedAt":["Date"],"modules.28.createdAt":["Date"],"modules.28.updatedAt":["Date"],"modules.29.createdAt":["Date"],"modules.29.updatedAt":["Date"],"modules.30.createdAt":["Date"],"modules.30.updatedAt":["Date"],"modules.31.createdAt":["Date"],"modules.31.updatedAt":["Date"],"modules.32.createdAt":["Date"],"modules.32.updatedAt":["Date"],"modules.33.createdAt":["Date"],"modules.33.updatedAt":["Date"],"modules.34.createdAt":["Date"],"modules.34.updatedAt":["Date"],"modules.35.createdAt":["Date"],"modules.35.updatedAt":["Date"],"modules.36.createdAt":["Date"],"modules.36.updatedAt":["Date"],"modules.37.createdAt":["Date"],"modules.37.updatedAt":["Date"],"modules.38.createdAt":["Date"],"modules.38.updatedAt":["Date"],"modules.39.createdAt":["Date"],"modules.39.updatedAt":["Date"],"modules.40.createdAt":["Date"],"modules.40.updatedAt":["Date"],"modules.41.createdAt":["Date"],"modules.41.updatedAt":["Date"],"modules.42.createdAt":["Date"],"modules.42.updatedAt":["Date"],"modules.43.createdAt":["Date"],"modules.43.updatedAt":["Date"],"modules.44.createdAt":["Date"],"modules.44.updatedAt":["Date"],"modules.45.createdAt":["Date"],"modules.45.updatedAt":["Date"],"modules.46.createdAt":["Date"],"modules.46.updatedAt":["Date"],"modules.47.createdAt":["Date"],"modules.47.updatedAt":["Date"],"modules.48.createdAt":["Date"],"modules.48.updatedAt":["Date"],"modules.49.createdAt":["Date"],"modules.49.updatedAt":["Date"],"modules.50.createdAt":["Date"],"modules.50.updatedAt":["Date"],"modules.51.createdAt":["Date"],"modules.51.updatedAt":["Date"],"modules.52.createdAt":["Date"],"modules.52.updatedAt":["Date"],"modules.53.createdAt":["Date"],"modules.53.updatedAt":["Date"],"modules.54.createdAt":["Date"],"modules.54.updatedAt":["Date"],"modules.55.createdAt":["Date"],"modules.55.updatedAt":["Date"],"modules.56.createdAt":["Date"],"modules.56.updatedAt":["Date"],"modules.57.createdAt":["Date"],"modules.57.updatedAt":["Date"],"modules.58.createdAt":["Date"],"modules.58.updatedAt":["Date"],"modules.59.createdAt":["Date"],"modules.59.updatedAt":["Date"],"modules.60.createdAt":["Date"],"modules.60.updatedAt":["Date"],"modules.61.createdAt":["Date"],"modules.61.updatedAt":["Date"],"modules.62.createdAt":["Date"],"modules.62.updatedAt":["Date"],"modules.63.createdAt":["Date"],"modules.63.updatedAt":["Date"],"modules.64.createdAt":["Date"],"modules.64.updatedAt":["Date"],"modules.65.createdAt":["Date"],"modules.65.updatedAt":["Date"],"modules.66.createdAt":["Date"],"modules.66.updatedAt":["Date"],"modules.67.createdAt":["Date"],"modules.67.updatedAt":["Date"],"modules.68.createdAt":["Date"],"modules.68.updatedAt":["Date"],"modules.69.createdAt":["Date"],"modules.69.updatedAt":["Date"],"modules.70.createdAt":["Date"],"modules.70.updatedAt":["Date"],"modules.71.createdAt":["Date"],"modules.71.updatedAt":["Date"],"modules.72.createdAt":["Date"],"modules.72.updatedAt":["Date"],"modules.73.createdAt":["Date"],"modules.73.updatedAt":["Date"],"modules.74.createdAt":["Date"],"modules.74.updatedAt":["Date"],"modules.75.createdAt":["Date"],"modules.75.updatedAt":["Date"],"modules.76.createdAt":["Date"],"modules.76.updatedAt":["Date"],"modules.77.createdAt":["Date"],"modules.77.updatedAt":["Date"],"modules.78.createdAt":["Date"],"modules.78.updatedAt":["Date"],"modules.79.createdAt":["Date"],"modules.79.updatedAt":["Date"],"modules.80.createdAt":["Date"],"modules.80.updatedAt":["Date"],"modules.81.createdAt":["Date"],"modules.81.updatedAt":["Date"],"modules.82.createdAt":["Date"],"modules.82.updatedAt":["Date"],"modules.83.createdAt":["Date"],"modules.83.updatedAt":["Date"],"modules.84.createdAt":["Date"],"modules.84.updatedAt":["Date"],"modules.85.createdAt":["Date"],"modules.85.updatedAt":["Date"],"modules.86.createdAt":["Date"],"modules.86.updatedAt":["Date"],"modules.87.createdAt":["Date"],"modules.87.updatedAt":["Date"],"modules.88.createdAt":["Date"],"modules.88.updatedAt":["Date"],"modules.89.createdAt":["Date"],"modules.89.updatedAt":["Date"],"modules.90.createdAt":["Date"],"modules.90.updatedAt":["Date"],"modules.91.createdAt":["Date"],"modules.91.updatedAt":["Date"],"modules.92.createdAt":["Date"],"modules.92.updatedAt":["Date"],"modules.93.createdAt":["Date"],"modules.93.updatedAt":["Date"],"modules.94.createdAt":["Date"],"modules.94.updatedAt":["Date"],"modules.95.createdAt":["Date"],"modules.95.updatedAt":["Date"],"modules.96.createdAt":["Date"],"modules.96.updatedAt":["Date"],"modules.97.createdAt":["Date"],"modules.97.updatedAt":["Date"],"modules.98.createdAt":["Date"],"modules.98.updatedAt":["Date"],"modules.99.createdAt":["Date"],"modules.99.updatedAt":["Date"],"modules.100.createdAt":["Date"],"modules.100.updatedAt":["Date"],"modules.101.createdAt":["Date"],"modules.101.updatedAt":["Date"],"modules.102.createdAt":["Date"],"modules.102.updatedAt":["Date"],"modules.103.createdAt":["Date"],"modules.103.updatedAt":["Date"],"modules.104.createdAt":["Date"],"modules.104.updatedAt":["Date"],"modules.105.createdAt":["Date"],"modules.105.updatedAt":["Date"],"modules.106.createdAt":["Date"],"modules.106.updatedAt":["Date"],"modules.107.createdAt":["Date"],"modules.107.updatedAt":["Date"],"modules.108.createdAt":["Date"],"modules.108.updatedAt":["Date"],"modules.109.createdAt":["Date"],"modules.109.updatedAt":["Date"],"modules.110.createdAt":["Date"],"modules.110.updatedAt":["Date"],"modules.111.createdAt":["Date"],"modules.111.updatedAt":["Date"],"modules.112.createdAt":["Date"],"modules.112.updatedAt":["Date"],"modules.113.createdAt":["Date"],"modules.113.updatedAt":["Date"],"modules.114.createdAt":["Date"],"modules.114.updatedAt":["Date"],"modules.115.createdAt":["Date"],"modules.115.updatedAt":["Date"],"modules.116.createdAt":["Date"],"modules.116.updatedAt":["Date"],"modules.117.createdAt":["Date"],"modules.117.updatedAt":["Date"],"modules.118.createdAt":["Date"],"modules.118.updatedAt":["Date"],"modules.119.createdAt":["Date"],"modules.119.updatedAt":["Date"],"modules.120.createdAt":["Date"],"modules.120.updatedAt":["Date"],"modules.121.createdAt":["Date"],"modules.121.updatedAt":["Date"],"modules.122.createdAt":["Date"],"modules.122.updatedAt":["Date"],"modules.123.createdAt":["Date"],"modules.123.updatedAt":["Date"],"modules.124.createdAt":["Date"],"modules.124.updatedAt":["Date"],"modules.125.createdAt":["Date"],"modules.125.updatedAt":["Date"],"modules.126.createdAt":["Date"],"modules.126.updatedAt":["Date"],"modules.127.createdAt":["Date"],"modules.127.updatedAt":["Date"],"modules.128.createdAt":["Date"],"modules.128.updatedAt":["Date"],"modules.129.createdAt":["Date"],"modules.129.updatedAt":["Date"],"modules.130.createdAt":["Date"],"modules.130.updatedAt":["Date"],"modules.131.createdAt":["Date"],"modules.131.updatedAt":["Date"],"modules.132.createdAt":["Date"],"modules.132.updatedAt":["Date"],"modules.133.createdAt":["Date"],"modules.133.updatedAt":["Date"],"modules.134.createdAt":["Date"],"modules.134.updatedAt":["Date"],"modules.135.createdAt":["Date"],"modules.135.updatedAt":["Date"],"modules.136.createdAt":["Date"],"modules.136.updatedAt":["Date"],"modules.137.createdAt":["Date"],"modules.137.updatedAt":["Date"],"modules.138.createdAt":["Date"],"modules.138.updatedAt":["Date"],"modules.139.createdAt":["Date"],"modules.139.updatedAt":["Date"],"modules.140.createdAt":["Date"],"modules.140.updatedAt":["Date"],"modules.141.createdAt":["Date"],"modules.141.updatedAt":["Date"],"modules.142.createdAt":["Date"],"modules.142.updatedAt":["Date"],"modules.143.createdAt":["Date"],"modules.143.updatedAt":["Date"],"modules.144.createdAt":["Date"],"modules.144.updatedAt":["Date"],"modules.145.createdAt":["Date"],"modules.145.updatedAt":["Date"],"modules.146.createdAt":["Date"],"modules.146.updatedAt":["Date"],"modules.147.createdAt":["Date"],"modules.147.updatedAt":["Date"],"modules.148.createdAt":["Date"],"modules.148.updatedAt":["Date"],"modules.149.createdAt":["Date"],"modules.149.updatedAt":["Date"],"modules.150.createdAt":["Date"],"modules.150.updatedAt":["Date"],"modules.151.createdAt":["Date"],"modules.151.updatedAt":["Date"],"modules.152.createdAt":["Date"],"modules.152.updatedAt":["Date"],"modules.153.createdAt":["Date"],"modules.153.updatedAt":["Date"],"modules.154.createdAt":["Date"],"modules.154.updatedAt":["Date"],"modules.155.createdAt":["Date"],"modules.155.updatedAt":["Date"],"modules.156.createdAt":["Date"],"modules.156.updatedAt":["Date"],"modules.157.createdAt":["Date"],"modules.157.updatedAt":["Date"],"modules.158.createdAt":["Date"],"modules.158.updatedAt":["Date"],"modules.159.createdAt":["Date"],"modules.159.updatedAt":["Date"],"modules.160.createdAt":["Date"],"modules.160.updatedAt":["Date"],"modules.161.createdAt":["Date"],"modules.161.updatedAt":["Date"],"modules.162.createdAt":["Date"],"modules.162.updatedAt":["Date"],"modules.163.createdAt":["Date"],"modules.163.updatedAt":["Date"],"modules.164.createdAt":["Date"],"modules.164.updatedAt":["Date"],"modules.165.createdAt":["Date"],"modules.165.updatedAt":["Date"],"modules.166.createdAt":["Date"],"modules.166.updatedAt":["Date"],"modules.167.createdAt":["Date"],"modules.167.updatedAt":["Date"],"modules.168.createdAt":["Date"],"modules.168.updatedAt":["Date"],"modules.169.createdAt":["Date"],"modules.169.updatedAt":["Date"],"modules.170.createdAt":["Date"],"modules.170.updatedAt":["Date"],"modules.171.createdAt":["Date"],"modules.171.updatedAt":["Date"],"modules.172.createdAt":["Date"],"modules.172.updatedAt":["Date"],"modules.173.createdAt":["Date"],"modules.173.updatedAt":["Date"],"modules.174.createdAt":["Date"],"modules.174.updatedAt":["Date"],"modules.175.createdAt":["Date"],"modules.175.updatedAt":["Date"],"modules.176.createdAt":["Date"],"modules.176.updatedAt":["Date"],"modules.177.createdAt":["Date"],"modules.177.updatedAt":["Date"],"modules.178.createdAt":["Date"],"modules.178.updatedAt":["Date"],"modules.179.createdAt":["Date"],"modules.179.updatedAt":["Date"],"modules.180.createdAt":["Date"],"modules.180.updatedAt":["Date"],"modules.181.createdAt":["Date"],"modules.181.updatedAt":["Date"],"modules.182.createdAt":["Date"],"modules.182.updatedAt":["Date"],"modules.183.createdAt":["Date"],"modules.183.updatedAt":["Date"],"modules.184.createdAt":["Date"],"modules.184.updatedAt":["Date"],"modules.185.createdAt":["Date"],"modules.185.updatedAt":["Date"],"modules.186.createdAt":["Date"],"modules.186.updatedAt":["Date"],"modules.187.createdAt":["Date"],"modules.187.updatedAt":["Date"],"modules.188.createdAt":["Date"],"modules.188.updatedAt":["Date"],"modules.189.createdAt":["Date"],"modules.189.updatedAt":["Date"],"modules.190.createdAt":["Date"],"modules.190.updatedAt":["Date"],"modules.191.createdAt":["Date"],"modules.191.updatedAt":["Date"],"modules.192.createdAt":["Date"],"modules.192.updatedAt":["Date"],"modules.193.createdAt":["Date"],"modules.193.updatedAt":["Date"],"modules.194.createdAt":["Date"],"modules.194.updatedAt":["Date"],"modules.195.createdAt":["Date"],"modules.195.updatedAt":["Date"],"modules.196.createdAt":["Date"],"modules.196.updatedAt":["Date"],"modules.197.createdAt":["Date"],"modules.197.updatedAt":["Date"],"modules.198.createdAt":["Date"],"modules.198.updatedAt":["Date"],"modules.199.createdAt":["Date"],"modules.199.updatedAt":["Date"],"modules.200.createdAt":["Date"],"modules.200.updatedAt":["Date"],"modules.201.createdAt":["Date"],"modules.201.updatedAt":["Date"],"modules.202.createdAt":["Date"],"modules.202.updatedAt":["Date"],"modules.203.createdAt":["Date"],"modules.203.updatedAt":["Date"],"modules.204.createdAt":["Date"],"modules.204.updatedAt":["Date"],"modules.205.createdAt":["Date"],"modules.205.updatedAt":["Date"],"modules.206.createdAt":["Date"],"modules.206.updatedAt":["Date"],"modules.207.createdAt":["Date"],"modules.207.updatedAt":["Date"],"modules.208.createdAt":["Date"],"modules.208.updatedAt":["Date"],"modules.209.createdAt":["Date"],"modules.209.updatedAt":["Date"],"modules.210.createdAt":["Date"],"modules.210.updatedAt":["Date"],"modules.211.createdAt":["Date"],"modules.211.updatedAt":["Date"],"modules.212.createdAt":["Date"],"modules.212.updatedAt":["Date"],"modules.213.createdAt":["Date"],"modules.213.updatedAt":["Date"],"modules.214.createdAt":["Date"],"modules.214.updatedAt":["Date"],"modules.215.createdAt":["Date"],"modules.215.updatedAt":["Date"],"modules.216.createdAt":["Date"],"modules.216.updatedAt":["Date"],"modules.217.createdAt":["Date"],"modules.217.updatedAt":["Date"],"modules.218.createdAt":["Date"],"modules.218.updatedAt":["Date"],"modules.219.createdAt":["Date"],"modules.219.updatedAt":["Date"],"modules.220.createdAt":["Date"],"modules.220.updatedAt":["Date"],"modules.221.createdAt":["Date"],"modules.221.updatedAt":["Date"],"modules.222.createdAt":["Date"],"modules.222.updatedAt":["Date"],"modules.223.createdAt":["Date"],"modules.223.updatedAt":["Date"],"modules.224.createdAt":["Date"],"modules.224.updatedAt":["Date"],"modules.225.createdAt":["Date"],"modules.225.updatedAt":["Date"],"modules.226.createdAt":["Date"],"modules.226.updatedAt":["Date"],"modules.227.createdAt":["Date"],"modules.227.updatedAt":["Date"],"modules.228.createdAt":["Date"],"modules.228.updatedAt":["Date"],"modules.229.createdAt":["Date"],"modules.229.updatedAt":["Date"],"modules.230.createdAt":["Date"],"modules.230.updatedAt":["Date"],"modules.231.createdAt":["Date"],"modules.231.updatedAt":["Date"],"modules.232.createdAt":["Date"],"modules.232.updatedAt":["Date"],"modules.233.createdAt":["Date"],"modules.233.updatedAt":["Date"],"modules.234.createdAt":["Date"],"modules.234.updatedAt":["Date"],"modules.235.createdAt":["Date"],"modules.235.updatedAt":["Date"],"modules.236.createdAt":["Date"],"modules.236.updatedAt":["Date"],"modules.237.createdAt":["Date"],"modules.237.updatedAt":["Date"],"modules.238.createdAt":["Date"],"modules.238.updatedAt":["Date"],"modules.239.createdAt":["Date"],"modules.239.updatedAt":["Date"],"modules.240.createdAt":["Date"],"modules.240.updatedAt":["Date"],"modules.241.createdAt":["Date"],"modules.241.updatedAt":["Date"],"modules.242.createdAt":["Date"],"modules.242.updatedAt":["Date"],"modules.243.createdAt":["Date"],"modules.243.updatedAt":["Date"],"modules.244.createdAt":["Date"],"modules.244.updatedAt":["Date"],"modules.245.createdAt":["Date"],"modules.245.updatedAt":["Date"],"modules.246.createdAt":["Date"],"modules.246.updatedAt":["Date"],"modules.247.createdAt":["Date"],"modules.247.updatedAt":["Date"],"modules.248.createdAt":["Date"],"modules.248.updatedAt":["Date"],"modules.249.createdAt":["Date"],"modules.249.updatedAt":["Date"],"modules.250.createdAt":["Date"],"modules.250.updatedAt":["Date"],"modules.251.createdAt":["Date"],"modules.251.updatedAt":["Date"],"modules.252.createdAt":["Date"],"modules.252.updatedAt":["Date"],"modules.253.createdAt":["Date"],"modules.253.updatedAt":["Date"],"modules.254.createdAt":["Date"],"modules.254.updatedAt":["Date"],"modules.255.createdAt":["Date"],"modules.255.updatedAt":["Date"],"modules.256.createdAt":["Date"],"modules.256.updatedAt":["Date"],"modules.257.createdAt":["Date"],"modules.257.updatedAt":["Date"],"modules.258.createdAt":["Date"],"modules.258.updatedAt":["Date"],"modules.259.createdAt":["Date"],"modules.259.updatedAt":["Date"],"modules.260.createdAt":["Date"],"modules.260.updatedAt":["Date"],"modules.261.createdAt":["Date"],"modules.261.updatedAt":["Date"],"modules.262.createdAt":["Date"],"modules.262.updatedAt":["Date"],"modules.263.createdAt":["Date"],"modules.263.updatedAt":["Date"],"modules.264.createdAt":["Date"],"modules.264.updatedAt":["Date"],"modules.265.createdAt":["Date"],"modules.265.updatedAt":["Date"],"modules.266.createdAt":["Date"],"modules.266.updatedAt":["Date"],"modules.267.createdAt":["Date"],"modules.267.updatedAt":["Date"],"modules.268.createdAt":["Date"],"modules.268.updatedAt":["Date"],"modules.269.createdAt":["Date"],"modules.269.updatedAt":["Date"],"modules.270.createdAt":["Date"],"modules.270.updatedAt":["Date"],"modules.271.createdAt":["Date"],"modules.271.updatedAt":["Date"],"modules.272.createdAt":["Date"],"modules.272.updatedAt":["Date"],"modules.273.createdAt":["Date"],"modules.273.updatedAt":["Date"],"modules.274.createdAt":["Date"],"modules.274.updatedAt":["Date"],"modules.275.createdAt":["Date"],"modules.275.updatedAt":["Date"],"modules.276.createdAt":["Date"],"modules.276.updatedAt":["Date"],"modules.277.createdAt":["Date"],"modules.277.updatedAt":["Date"],"modules.278.createdAt":["Date"],"modules.278.updatedAt":["Date"],"modules.279.createdAt":["Date"],"modules.279.updatedAt":["Date"],"modules.280.createdAt":["Date"],"modules.280.updatedAt":["Date"],"modules.281.createdAt":["Date"],"modules.281.updatedAt":["Date"],"modules.282.createdAt":["Date"],"modules.282.updatedAt":["Date"],"modules.283.createdAt":["Date"],"modules.283.updatedAt":["Date"],"modules.284.createdAt":["Date"],"modules.284.updatedAt":["Date"],"modules.285.createdAt":["Date"],"modules.285.updatedAt":["Date"],"modules.286.createdAt":["Date"],"modules.286.updatedAt":["Date"],"modules.287.createdAt":["Date"],"modules.287.updatedAt":["Date"],"modules.288.createdAt":["Date"],"modules.288.updatedAt":["Date"],"modules.289.createdAt":["Date"],"modules.289.updatedAt":["Date"],"modules.290.createdAt":["Date"],"modules.290.updatedAt":["Date"],"modules.291.createdAt":["Date"],"modules.291.updatedAt":["Date"],"modules.292.createdAt":["Date"],"modules.292.updatedAt":["Date"],"modules.293.createdAt":["Date"],"modules.293.updatedAt":["Date"],"modules.294.createdAt":["Date"],"modules.294.updatedAt":["Date"],"modules.295.createdAt":["Date"],"modules.295.updatedAt":["Date"],"modules.296.createdAt":["Date"],"modules.296.updatedAt":["Date"],"modules.297.createdAt":["Date"],"modules.297.updatedAt":["Date"],"modules.298.createdAt":["Date"],"modules.298.updatedAt":["Date"],"modules.299.createdAt":["Date"],"modules.299.updatedAt":["Date"],"modules.300.createdAt":["Date"],"modules.300.updatedAt":["Date"],"modules.301.createdAt":["Date"],"modules.301.updatedAt":["Date"],"modules.302.createdAt":["Date"],"modules.302.updatedAt":["Date"],"modules.303.createdAt":["Date"],"modules.303.updatedAt":["Date"],"modules.304.createdAt":["Date"],"modules.304.updatedAt":["Date"],"modules.305.createdAt":["Date"],"modules.305.updatedAt":["Date"],"modules.306.createdAt":["Date"],"modules.306.updatedAt":["Date"],"modules.307.createdAt":["Date"],"modules.307.updatedAt":["Date"],"modules.308.createdAt":["Date"],"modules.308.updatedAt":["Date"],"modules.309.createdAt":["Date"],"modules.309.updatedAt":["Date"],"modules.310.createdAt":["Date"],"modules.310.updatedAt":["Date"],"modules.311.createdAt":["Date"],"modules.311.updatedAt":["Date"],"modules.312.createdAt":["Date"],"modules.312.updatedAt":["Date"],"modules.313.createdAt":["Date"],"modules.313.updatedAt":["Date"],"modules.314.createdAt":["Date"],"modules.314.updatedAt":["Date"],"modules.315.createdAt":["Date"],"modules.315.updatedAt":["Date"],"modules.316.createdAt":["Date"],"modules.316.updatedAt":["Date"],"modules.317.createdAt":["Date"],"modules.317.updatedAt":["Date"],"modules.318.createdAt":["Date"],"modules.318.updatedAt":["Date"],"sections.0.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.0.createdAt","sections.0.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.0.updatedAt","sections.0.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.1.createdAt","sections.0.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.1.updatedAt","sections.0.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.2.createdAt","sections.0.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.2.updatedAt","sections.0.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.3.createdAt","sections.0.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.3.updatedAt","sections.0.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.4.createdAt","sections.0.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.4.updatedAt","sections.0.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.5.createdAt","sections.0.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.5.updatedAt","sections.1.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.6.createdAt","sections.1.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.6.updatedAt","sections.1.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.7.createdAt","sections.1.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.7.updatedAt","sections.1.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.8.createdAt","sections.1.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.8.updatedAt","sections.1.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.9.createdAt","sections.1.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.9.updatedAt","sections.1.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.10.createdAt","sections.1.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.10.updatedAt","sections.1.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.11.createdAt","sections.1.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.11.updatedAt","sections.1.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.12.createdAt","sections.1.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.12.updatedAt","sections.1.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.13.createdAt","sections.1.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.13.updatedAt","sections.2.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.14.createdAt","sections.2.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.14.updatedAt","sections.2.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.15.createdAt","sections.2.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.15.updatedAt","sections.2.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.16.createdAt","sections.2.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.16.updatedAt","sections.2.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.17.createdAt","sections.2.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.17.updatedAt","sections.2.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.18.createdAt","sections.2.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.18.updatedAt","sections.2.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.19.createdAt","sections.2.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.19.updatedAt","sections.3.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.20.createdAt","sections.3.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.20.updatedAt","sections.3.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.21.createdAt","sections.3.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.21.updatedAt","sections.3.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.22.createdAt","sections.3.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.22.updatedAt","sections.3.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.23.createdAt","sections.3.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.23.updatedAt","sections.3.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.24.createdAt","sections.3.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.24.updatedAt","sections.3.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.25.createdAt","sections.3.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.25.updatedAt","sections.4.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.26.createdAt","sections.4.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.26.updatedAt","sections.4.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.27.createdAt","sections.4.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.27.updatedAt","sections.4.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.28.createdAt","sections.4.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.28.updatedAt","sections.4.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.29.createdAt","sections.4.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.29.updatedAt","sections.4.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.30.createdAt","sections.4.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.30.updatedAt","sections.4.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.31.createdAt","sections.4.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.31.updatedAt","sections.4.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.32.createdAt","sections.4.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.32.updatedAt","sections.4.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.33.createdAt","sections.4.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.33.updatedAt","sections.4.modules.8.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.34.createdAt","sections.4.modules.8.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.34.updatedAt","sections.5.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.35.createdAt","sections.5.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.35.updatedAt","sections.5.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.36.createdAt","sections.5.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.36.updatedAt","sections.5.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.37.createdAt","sections.5.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.37.updatedAt","sections.5.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.38.createdAt","sections.5.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.38.updatedAt","sections.5.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.39.createdAt","sections.5.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.39.updatedAt","sections.5.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.40.createdAt","sections.5.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.40.updatedAt","sections.6.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.41.createdAt","sections.6.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.41.updatedAt","sections.6.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.42.createdAt","sections.6.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.42.updatedAt","sections.6.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.43.createdAt","sections.6.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.43.updatedAt","sections.6.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.44.createdAt","sections.6.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.44.updatedAt","sections.6.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.45.createdAt","sections.6.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.45.updatedAt","sections.6.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.46.createdAt","sections.6.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.46.updatedAt","sections.6.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.47.createdAt","sections.6.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.47.updatedAt","sections.7.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.48.createdAt","sections.7.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.48.updatedAt","sections.7.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.49.createdAt","sections.7.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.49.updatedAt","sections.7.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.50.createdAt","sections.7.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.50.updatedAt","sections.7.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.51.createdAt","sections.7.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.51.updatedAt","sections.7.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.52.createdAt","sections.7.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.52.updatedAt","sections.7.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.53.createdAt","sections.7.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.53.updatedAt","sections.7.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.54.createdAt","sections.7.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.54.updatedAt","sections.7.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.55.createdAt","sections.7.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.55.updatedAt","sections.7.modules.8.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.56.createdAt","sections.7.modules.8.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.56.updatedAt","sections.8.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.57.createdAt","sections.8.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.57.updatedAt","sections.8.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.58.createdAt","sections.8.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.58.updatedAt","sections.8.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.59.createdAt","sections.8.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.59.updatedAt","sections.8.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.60.createdAt","sections.8.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.60.updatedAt","sections.8.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.61.createdAt","sections.8.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.61.updatedAt","sections.8.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.62.createdAt","sections.8.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.62.updatedAt","sections.9.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.63.createdAt","sections.9.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.63.updatedAt","sections.9.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.64.createdAt","sections.9.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.64.updatedAt","sections.9.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.65.createdAt","sections.9.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.65.updatedAt","sections.9.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.66.createdAt","sections.9.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.66.updatedAt","sections.9.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.67.createdAt","sections.9.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.67.updatedAt","sections.9.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.68.createdAt","sections.9.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.68.updatedAt","sections.10.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.69.createdAt","sections.10.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.69.updatedAt","sections.10.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.70.createdAt","sections.10.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.70.updatedAt","sections.10.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.71.createdAt","sections.10.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.71.updatedAt","sections.10.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.72.createdAt","sections.10.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.72.updatedAt","sections.10.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.73.createdAt","sections.10.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.73.updatedAt","sections.10.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.74.createdAt","sections.10.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.74.updatedAt","sections.10.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.75.createdAt","sections.10.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.75.updatedAt","sections.10.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.76.createdAt","sections.10.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.76.updatedAt","sections.10.modules.8.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.77.createdAt","sections.10.modules.8.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.77.updatedAt","sections.11.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.78.createdAt","sections.11.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.78.updatedAt","sections.11.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.79.createdAt","sections.11.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.79.updatedAt","sections.11.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.80.createdAt","sections.11.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.80.updatedAt","sections.11.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.81.createdAt","sections.11.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.81.updatedAt","sections.11.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.82.createdAt","sections.11.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.82.updatedAt","sections.11.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.83.createdAt","sections.11.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.83.updatedAt","sections.12.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.84.createdAt","sections.12.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.84.updatedAt","sections.12.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.85.createdAt","sections.12.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.85.updatedAt","sections.12.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.86.createdAt","sections.12.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.86.updatedAt","sections.12.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.87.createdAt","sections.12.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.87.updatedAt","sections.12.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.88.createdAt","sections.12.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.88.updatedAt","sections.12.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.89.createdAt","sections.12.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.89.updatedAt","sections.12.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.90.createdAt","sections.12.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.90.updatedAt","sections.13.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.91.createdAt","sections.13.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.91.updatedAt","sections.13.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.92.createdAt","sections.13.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.92.updatedAt","sections.13.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.93.createdAt","sections.13.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.93.updatedAt","sections.13.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.94.createdAt","sections.13.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.94.updatedAt","sections.13.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.95.createdAt","sections.13.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.95.updatedAt","sections.13.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.96.createdAt","sections.13.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.96.updatedAt","sections.14.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.97.createdAt","sections.14.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.97.updatedAt","sections.14.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.98.createdAt","sections.14.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.98.updatedAt","sections.14.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.99.createdAt","sections.14.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.99.updatedAt","sections.14.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.100.createdAt","sections.14.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.100.updatedAt","sections.14.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.101.createdAt","sections.14.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.101.updatedAt","sections.14.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.102.createdAt","sections.14.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.102.updatedAt","sections.15.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.103.createdAt","sections.15.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.103.updatedAt","sections.15.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.104.createdAt","sections.15.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.104.updatedAt","sections.15.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.105.createdAt","sections.15.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.105.updatedAt","sections.15.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.106.createdAt","sections.15.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.106.updatedAt","sections.15.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.107.createdAt","sections.15.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.107.updatedAt","sections.15.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.108.createdAt","sections.15.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.108.updatedAt","sections.15.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.109.createdAt","sections.15.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.109.updatedAt","sections.15.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.110.createdAt","sections.15.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.110.updatedAt","sections.16.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.111.createdAt","sections.16.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.111.updatedAt","sections.16.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.112.createdAt","sections.16.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.112.updatedAt","sections.16.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.113.createdAt","sections.16.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.113.updatedAt","sections.16.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.114.createdAt","sections.16.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.114.updatedAt","sections.16.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.115.createdAt","sections.16.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.115.updatedAt","sections.16.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.116.createdAt","sections.16.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.116.updatedAt","sections.16.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.117.createdAt","sections.16.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.117.updatedAt","sections.17.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.118.createdAt","sections.17.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.118.updatedAt","sections.17.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.119.createdAt","sections.17.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.119.updatedAt","sections.17.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.120.createdAt","sections.17.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.120.updatedAt","sections.17.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.121.createdAt","sections.17.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.121.updatedAt","sections.17.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.122.createdAt","sections.17.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.122.updatedAt","sections.17.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.123.createdAt","sections.17.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.123.updatedAt","sections.17.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.124.createdAt","sections.17.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.124.updatedAt","sections.18.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.125.createdAt","sections.18.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.125.updatedAt","sections.18.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.126.createdAt","sections.18.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.126.updatedAt","sections.18.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.127.createdAt","sections.18.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.127.updatedAt","sections.18.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.128.createdAt","sections.18.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.128.updatedAt","sections.18.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.129.createdAt","sections.18.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.129.updatedAt","sections.18.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.130.createdAt","sections.18.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.130.updatedAt","sections.19.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.131.createdAt","sections.19.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.131.updatedAt","sections.19.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.132.createdAt","sections.19.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.132.updatedAt","sections.19.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.133.createdAt","sections.19.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.133.updatedAt","sections.19.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.134.createdAt","sections.19.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.134.updatedAt","sections.19.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.135.createdAt","sections.19.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.135.updatedAt","sections.19.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.136.createdAt","sections.19.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.136.updatedAt","sections.19.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.137.createdAt","sections.19.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.137.updatedAt","sections.19.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.138.createdAt","sections.19.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.138.updatedAt","sections.20.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.139.createdAt","sections.20.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.139.updatedAt","sections.20.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.140.createdAt","sections.20.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.140.updatedAt","sections.20.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.141.createdAt","sections.20.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.141.updatedAt","sections.20.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.142.createdAt","sections.20.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.142.updatedAt","sections.20.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.143.createdAt","sections.20.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.143.updatedAt","sections.20.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.144.createdAt","sections.20.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.144.updatedAt","sections.20.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.145.createdAt","sections.20.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.145.updatedAt","sections.21.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.146.createdAt","sections.21.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.146.updatedAt","sections.21.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.147.createdAt","sections.21.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.147.updatedAt","sections.21.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.148.createdAt","sections.21.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.148.updatedAt","sections.21.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.149.createdAt","sections.21.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.149.updatedAt","sections.21.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.150.createdAt","sections.21.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.150.updatedAt","sections.21.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.151.createdAt","sections.21.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.151.updatedAt","sections.21.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.152.createdAt","sections.21.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.152.updatedAt","sections.21.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.153.createdAt","sections.21.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.153.updatedAt","sections.22.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.154.createdAt","sections.22.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.154.updatedAt","sections.22.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.155.createdAt","sections.22.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.155.updatedAt","sections.22.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.156.createdAt","sections.22.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.156.updatedAt","sections.22.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.157.createdAt","sections.22.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.157.updatedAt","sections.22.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.158.createdAt","sections.22.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.158.updatedAt","sections.22.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.159.createdAt","sections.22.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.159.updatedAt","sections.22.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.160.createdAt","sections.22.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.160.updatedAt","sections.22.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.161.createdAt","sections.22.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.161.updatedAt","sections.23.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.162.createdAt","sections.23.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.162.updatedAt","sections.23.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.163.createdAt","sections.23.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.163.updatedAt","sections.23.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.164.createdAt","sections.23.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.164.updatedAt","sections.23.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.165.createdAt","sections.23.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.165.updatedAt","sections.23.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.166.createdAt","sections.23.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.166.updatedAt","sections.23.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.167.createdAt","sections.23.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.167.updatedAt","sections.23.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.168.createdAt","sections.23.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.168.updatedAt","sections.23.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.169.createdAt","sections.23.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.169.updatedAt","sections.23.modules.8.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.170.createdAt","sections.23.modules.8.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.170.updatedAt","sections.24.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.171.createdAt","sections.24.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.171.updatedAt","sections.24.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.172.createdAt","sections.24.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.172.updatedAt","sections.24.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.173.createdAt","sections.24.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.173.updatedAt","sections.24.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.174.createdAt","sections.24.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.174.updatedAt","sections.24.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.175.createdAt","sections.24.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.175.updatedAt","sections.24.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.176.createdAt","sections.24.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.176.updatedAt","sections.25.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.177.createdAt","sections.25.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.177.updatedAt","sections.25.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.178.createdAt","sections.25.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.178.updatedAt","sections.25.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.179.createdAt","sections.25.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.179.updatedAt","sections.25.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.180.createdAt","sections.25.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.180.updatedAt","sections.25.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.181.createdAt","sections.25.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.181.updatedAt","sections.25.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.182.createdAt","sections.25.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.182.updatedAt","sections.26.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.183.createdAt","sections.26.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.183.updatedAt","sections.26.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.184.createdAt","sections.26.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.184.updatedAt","sections.26.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.185.createdAt","sections.26.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.185.updatedAt","sections.26.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.186.createdAt","sections.26.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.186.updatedAt","sections.26.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.187.createdAt","sections.26.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.187.updatedAt","sections.26.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.188.createdAt","sections.26.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.188.updatedAt","sections.26.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.189.createdAt","sections.26.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.189.updatedAt","sections.26.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.190.createdAt","sections.26.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.190.updatedAt","sections.27.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.191.createdAt","sections.27.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.191.updatedAt","sections.27.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.192.createdAt","sections.27.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.192.updatedAt","sections.27.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.193.createdAt","sections.27.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.193.updatedAt","sections.27.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.194.createdAt","sections.27.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.194.updatedAt","sections.27.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.195.createdAt","sections.27.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.195.updatedAt","sections.27.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.196.createdAt","sections.27.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.196.updatedAt","sections.28.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.197.createdAt","sections.28.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.197.updatedAt","sections.28.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.198.createdAt","sections.28.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.198.updatedAt","sections.28.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.199.createdAt","sections.28.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.199.updatedAt","sections.28.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.200.createdAt","sections.28.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.200.updatedAt","sections.28.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.201.createdAt","sections.28.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.201.updatedAt","sections.28.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.202.createdAt","sections.28.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.202.updatedAt","sections.29.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.203.createdAt","sections.29.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.203.updatedAt","sections.29.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.204.createdAt","sections.29.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.204.updatedAt","sections.29.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.205.createdAt","sections.29.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.205.updatedAt","sections.29.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.206.createdAt","sections.29.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.206.updatedAt","sections.29.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.207.createdAt","sections.29.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.207.updatedAt","sections.29.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.208.createdAt","sections.29.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.208.updatedAt","sections.29.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.209.createdAt","sections.29.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.209.updatedAt","sections.29.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.210.createdAt","sections.29.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.210.updatedAt","sections.30.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.211.createdAt","sections.30.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.211.updatedAt","sections.30.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.212.createdAt","sections.30.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.212.updatedAt","sections.30.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.213.createdAt","sections.30.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.213.updatedAt","sections.30.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.214.createdAt","sections.30.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.214.updatedAt","sections.30.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.215.createdAt","sections.30.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.215.updatedAt","sections.30.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.216.createdAt","sections.30.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.216.updatedAt","sections.31.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.217.createdAt","sections.31.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.217.updatedAt","sections.31.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.218.createdAt","sections.31.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.218.updatedAt","sections.31.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.219.createdAt","sections.31.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.219.updatedAt","sections.31.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.220.createdAt","sections.31.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.220.updatedAt","sections.31.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.221.createdAt","sections.31.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.221.updatedAt","sections.31.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.222.createdAt","sections.31.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.222.updatedAt","sections.32.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.223.createdAt","sections.32.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.223.updatedAt","sections.32.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.224.createdAt","sections.32.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.224.updatedAt","sections.32.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.225.createdAt","sections.32.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.225.updatedAt","sections.32.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.226.createdAt","sections.32.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.226.updatedAt","sections.32.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.227.createdAt","sections.32.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.227.updatedAt","sections.32.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.228.createdAt","sections.32.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.228.updatedAt","sections.33.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.229.createdAt","sections.33.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.229.updatedAt","sections.33.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.230.createdAt","sections.33.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.230.updatedAt","sections.33.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.231.createdAt","sections.33.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.231.updatedAt","sections.33.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.232.createdAt","sections.33.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.232.updatedAt","sections.33.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.233.createdAt","sections.33.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.233.updatedAt","sections.33.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.234.createdAt","sections.33.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.234.updatedAt","sections.34.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.235.createdAt","sections.34.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.235.updatedAt","sections.34.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.236.createdAt","sections.34.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.236.updatedAt","sections.34.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.237.createdAt","sections.34.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.237.updatedAt","sections.34.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.238.createdAt","sections.34.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.238.updatedAt","sections.34.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.239.createdAt","sections.34.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.239.updatedAt","sections.34.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.240.createdAt","sections.34.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.240.updatedAt","sections.34.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.241.createdAt","sections.34.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.241.updatedAt","sections.34.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.242.createdAt","sections.34.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.242.updatedAt","sections.34.modules.8.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.243.createdAt","sections.34.modules.8.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.243.updatedAt","sections.35.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.244.createdAt","sections.35.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.244.updatedAt","sections.35.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.245.createdAt","sections.35.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.245.updatedAt","sections.35.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.246.createdAt","sections.35.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.246.updatedAt","sections.35.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.247.createdAt","sections.35.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.247.updatedAt","sections.35.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.248.createdAt","sections.35.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.248.updatedAt","sections.35.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.249.createdAt","sections.35.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.249.updatedAt","sections.36.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.250.createdAt","sections.36.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.250.updatedAt","sections.36.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.251.createdAt","sections.36.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.251.updatedAt","sections.36.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.252.createdAt","sections.36.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.252.updatedAt","sections.36.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.253.createdAt","sections.36.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.253.updatedAt","sections.36.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.254.createdAt","sections.36.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.254.updatedAt","sections.36.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.255.createdAt","sections.36.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.255.updatedAt","sections.37.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.256.createdAt","sections.37.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.256.updatedAt","sections.37.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.257.createdAt","sections.37.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.257.updatedAt","sections.37.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.258.createdAt","sections.37.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.258.updatedAt","sections.37.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.259.createdAt","sections.37.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.259.updatedAt","sections.37.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.260.createdAt","sections.37.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.260.updatedAt","sections.37.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.261.createdAt","sections.37.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.261.updatedAt","sections.38.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.262.createdAt","sections.38.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.262.updatedAt","sections.38.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.263.createdAt","sections.38.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.263.updatedAt","sections.38.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.264.createdAt","sections.38.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.264.updatedAt","sections.38.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.265.createdAt","sections.38.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.265.updatedAt","sections.38.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.266.createdAt","sections.38.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.266.updatedAt","sections.38.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.267.createdAt","sections.38.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.267.updatedAt","sections.39.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.268.createdAt","sections.39.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.268.updatedAt","sections.39.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.269.createdAt","sections.39.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.269.updatedAt","sections.39.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.270.createdAt","sections.39.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.270.updatedAt","sections.39.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.271.createdAt","sections.39.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.271.updatedAt","sections.39.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.272.createdAt","sections.39.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.272.updatedAt","sections.39.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.273.createdAt","sections.39.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.273.updatedAt","sections.40.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.274.createdAt","sections.40.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.274.updatedAt","sections.40.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.275.createdAt","sections.40.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.275.updatedAt","sections.40.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.276.createdAt","sections.40.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.276.updatedAt","sections.40.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.277.createdAt","sections.40.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.277.updatedAt","sections.40.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.278.createdAt","sections.40.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.278.updatedAt","sections.40.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.279.createdAt","sections.40.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.279.updatedAt","sections.40.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.280.createdAt","sections.40.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.280.updatedAt","sections.41.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.281.createdAt","sections.41.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.281.updatedAt","sections.41.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.282.createdAt","sections.41.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.282.updatedAt","sections.41.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.283.createdAt","sections.41.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.283.updatedAt","sections.41.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.284.createdAt","sections.41.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.284.updatedAt","sections.41.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.285.createdAt","sections.41.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.285.updatedAt","sections.41.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.286.createdAt","sections.41.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.286.updatedAt","sections.41.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.287.createdAt","sections.41.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.287.updatedAt","sections.41.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.288.createdAt","sections.41.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.288.updatedAt","sections.41.modules.8.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.289.createdAt","sections.41.modules.8.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.289.updatedAt","sections.41.modules.9.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.290.createdAt","sections.41.modules.9.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.290.updatedAt","sections.42.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.291.createdAt","sections.42.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.291.updatedAt","sections.42.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.292.createdAt","sections.42.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.292.updatedAt","sections.42.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.293.createdAt","sections.42.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.293.updatedAt","sections.42.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.294.createdAt","sections.42.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.294.updatedAt","sections.42.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.295.createdAt","sections.42.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.295.updatedAt","sections.42.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.296.createdAt","sections.42.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.296.updatedAt","sections.42.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.297.createdAt","sections.42.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.297.updatedAt","sections.42.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.298.createdAt","sections.42.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.298.updatedAt","sections.42.modules.8.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.299.createdAt","sections.42.modules.8.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.299.updatedAt","sections.43.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.300.createdAt","sections.43.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.300.updatedAt","sections.43.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.301.createdAt","sections.43.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.301.updatedAt","sections.43.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.302.createdAt","sections.43.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.302.updatedAt","sections.43.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.303.createdAt","sections.43.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.303.updatedAt","sections.43.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.304.createdAt","sections.43.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.304.updatedAt","sections.43.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.305.createdAt","sections.43.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.305.updatedAt","sections.43.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.306.createdAt","sections.43.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.306.updatedAt","sections.43.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.307.createdAt","sections.43.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.307.updatedAt","sections.43.modules.8.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.308.createdAt","sections.43.modules.8.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.308.updatedAt","sections.43.modules.9.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.309.createdAt","sections.43.modules.9.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.309.updatedAt","sections.43.modules.10.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.310.createdAt","sections.43.modules.10.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.310.updatedAt","sections.43.modules.11.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.311.createdAt","sections.43.modules.11.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.311.updatedAt","sections.43.modules.12.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.312.createdAt","sections.43.modules.12.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.312.updatedAt","sections.43.modules.13.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.313.createdAt","sections.43.modules.13.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.313.updatedAt","sections.43.modules.14.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.314.createdAt","sections.43.modules.14.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.314.updatedAt","sections.43.modules.15.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.315.createdAt","sections.43.modules.15.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.315.updatedAt","sections.43.modules.16.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.316.createdAt","sections.43.modules.16.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.316.updatedAt","sections.43.modules.17.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.317.createdAt","sections.43.modules.17.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.317.updatedAt","sections.43.modules.18.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.318.createdAt","sections.43.modules.18.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.318.updatedAt"},"referentialEqualities":{"modules.0":["sections.0.modules.0"],"modules.1":["sections.0.modules.1"],"modules.2":["sections.0.modules.2"],"modules.3":["sections.0.modules.3"],"modules.4":["sections.0.modules.4"],"modules.5":["sections.0.modules.5"],"modules.6":["sections.1.modules.0"],"modules.7":["sections.1.modules.1"],"modules.8":["sections.1.modules.2"],"modules.9":["sections.1.modules.3"],"modules.10":["sections.1.modules.4"],"modules.11":["sections.1.modules.5"],"modules.12":["sections.1.modules.6"],"modules.13":["sections.1.modules.7"],"modules.14":["sections.2.modules.0"],"modules.15":["sections.2.modules.1"],"modules.16":["sections.2.modules.2"],"modules.17":["sections.2.modules.3"],"modules.18":["sections.2.modules.4"],"modules.19":["sections.2.modules.5"],"modules.20":["sections.3.modules.0"],"modules.21":["sections.3.modules.1"],"modules.22":["sections.3.modules.2"],"modules.23":["sections.3.modules.3"],"modules.24":["sections.3.modules.4"],"modules.25":["sections.3.modules.5"],"modules.26":["sections.4.modules.0"],"modules.27":["sections.4.modules.1"],"modules.28":["sections.4.modules.2"],"modules.29":["sections.4.modules.3"],"modules.30":["sections.4.modules.4"],"modules.31":["sections.4.modules.5"],"modules.32":["sections.4.modules.6"],"modules.33":["sections.4.modules.7"],"modules.34":["sections.4.modules.8"],"modules.35":["sections.5.modules.0"],"modules.36":["sections.5.modules.1"],"modules.37":["sections.5.modules.2"],"modules.38":["sections.5.modules.3"],"modules.39":["sections.5.modules.4"],"modules.40":["sections.5.modules.5"],"modules.41":["sections.6.modules.0"],"modules.42":["sections.6.modules.1"],"modules.43":["sections.6.modules.2"],"modules.44":["sections.6.modules.3"],"modules.45":["sections.6.modules.4"],"modules.46":["sections.6.modules.5"],"modules.47":["sections.6.modules.6"],"modules.48":["sections.7.modules.0"],"modules.49":["sections.7.modules.1"],"modules.50":["sections.7.modules.2"],"modules.51":["sections.7.modules.3"],"modules.52":["sections.7.modules.4"],"modules.53":["sections.7.modules.5"],"modules.54":["sections.7.modules.6"],"modules.55":["sections.7.modules.7"],"modules.56":["sections.7.modules.8"],"modules.57":["sections.8.modules.0"],"modules.58":["sections.8.modules.1"],"modules.59":["sections.8.modules.2"],"modules.60":["sections.8.modules.3"],"modules.61":["sections.8.modules.4"],"modules.62":["sections.8.modules.5"],"modules.63":["sections.9.modules.0"],"modules.64":["sections.9.modules.1"],"modules.65":["sections.9.modules.2"],"modules.66":["sections.9.modules.3"],"modules.67":["sections.9.modules.4"],"modules.68":["sections.9.modules.5"],"modules.69":["sections.10.modules.0"],"modules.70":["sections.10.modules.1"],"modules.71":["sections.10.modules.2"],"modules.72":["sections.10.modules.3"],"modules.73":["sections.10.modules.4"],"modules.74":["sections.10.modules.5"],"modules.75":["sections.10.modules.6"],"modules.76":["sections.10.modules.7"],"modules.77":["sections.10.modules.8"],"modules.78":["sections.11.modules.0"],"modules.79":["sections.11.modules.1"],"modules.80":["sections.11.modules.2"],"modules.81":["sections.11.modules.3"],"modules.82":["sections.11.modules.4"],"modules.83":["sections.11.modules.5"],"modules.84":["sections.12.modules.0"],"modules.85":["sections.12.modules.1"],"modules.86":["sections.12.modules.2"],"modules.87":["sections.12.modules.3"],"modules.88":["sections.12.modules.4"],"modules.89":["sections.12.modules.5"],"modules.90":["sections.12.modules.6"],"modules.91":["sections.13.modules.0"],"modules.92":["sections.13.modules.1"],"modules.93":["sections.13.modules.2"],"modules.94":["sections.13.modules.3"],"modules.95":["sections.13.modules.4"],"modules.96":["sections.13.modules.5"],"modules.97":["sections.14.modules.0"],"modules.98":["sections.14.modules.1"],"modules.99":["sections.14.modules.2"],"modules.100":["sections.14.modules.3"],"modules.101":["sections.14.modules.4"],"modules.102":["sections.14.modules.5"],"modules.103":["sections.15.modules.0"],"modules.104":["sections.15.modules.1"],"modules.105":["sections.15.modules.2"],"modules.106":["sections.15.modules.3"],"modules.107":["sections.15.modules.4"],"modules.108":["sections.15.modules.5"],"modules.109":["sections.15.modules.6"],"modules.110":["sections.15.modules.7"],"modules.111":["sections.16.modules.0"],"modules.112":["sections.16.modules.1"],"modules.113":["sections.16.modules.2"],"modules.114":["sections.16.modules.3"],"modules.115":["sections.16.modules.4"],"modules.116":["sections.16.modules.5"],"modules.117":["sections.16.modules.6"],"modules.118":["sections.17.modules.0"],"modules.119":["sections.17.modules.1"],"modules.120":["sections.17.modules.2"],"modules.121":["sections.17.modules.3"],"modules.122":["sections.17.modules.4"],"modules.123":["sections.17.modules.5"],"modules.124":["sections.17.modules.6"],"modules.125":["sections.18.modules.0"],"modules.126":["sections.18.modules.1"],"modules.127":["sections.18.modules.2"],"modules.128":["sections.18.modules.3"],"modules.129":["sections.18.modules.4"],"modules.130":["sections.18.modules.5"],"modules.131":["sections.19.modules.0"],"modules.132":["sections.19.modules.1"],"modules.133":["sections.19.modules.2"],"modules.134":["sections.19.modules.3"],"modules.135":["sections.19.modules.4"],"modules.136":["sections.19.modules.5"],"modules.137":["sections.19.modules.6"],"modules.138":["sections.19.modules.7"],"modules.139":["sections.20.modules.0"],"modules.140":["sections.20.modules.1"],"modules.141":["sections.20.modules.2"],"modules.142":["sections.20.modules.3"],"modules.143":["sections.20.modules.4"],"modules.144":["sections.20.modules.5"],"modules.145":["sections.20.modules.6"],"modules.146":["sections.21.modules.0"],"modules.147":["sections.21.modules.1"],"modules.148":["sections.21.modules.2"],"modules.149":["sections.21.modules.3"],"modules.150":["sections.21.modules.4"],"modules.151":["sections.21.modules.5"],"modules.152":["sections.21.modules.6"],"modules.153":["sections.21.modules.7"],"modules.154":["sections.22.modules.0"],"modules.155":["sections.22.modules.1"],"modules.156":["sections.22.modules.2"],"modules.157":["sections.22.modules.3"],"modules.158":["sections.22.modules.4"],"modules.159":["sections.22.modules.5"],"modules.160":["sections.22.modules.6"],"modules.161":["sections.22.modules.7"],"modules.162":["sections.23.modules.0"],"modules.163":["sections.23.modules.1"],"modules.164":["sections.23.modules.2"],"modules.165":["sections.23.modules.3"],"modules.166":["sections.23.modules.4"],"modules.167":["sections.23.modules.5"],"modules.168":["sections.23.modules.6"],"modules.169":["sections.23.modules.7"],"modules.170":["sections.23.modules.8"],"modules.171":["sections.24.modules.0"],"modules.172":["sections.24.modules.1"],"modules.173":["sections.24.modules.2"],"modules.174":["sections.24.modules.3"],"modules.175":["sections.24.modules.4"],"modules.176":["sections.24.modules.5"],"modules.177":["sections.25.modules.0"],"modules.178":["sections.25.modules.1"],"modules.179":["sections.25.modules.2"],"modules.180":["sections.25.modules.3"],"modules.181":["sections.25.modules.4"],"modules.182":["sections.25.modules.5"],"modules.183":["sections.26.modules.0"],"modules.184":["sections.26.modules.1"],"modules.185":["sections.26.modules.2"],"modules.186":["sections.26.modules.3"],"modules.187":["sections.26.modules.4"],"modules.188":["sections.26.modules.5"],"modules.189":["sections.26.modules.6"],"modules.190":["sections.26.modules.7"],"modules.191":["sections.27.modules.0"],"modules.192":["sections.27.modules.1"],"modules.193":["sections.27.modules.2"],"modules.194":["sections.27.modules.3"],"modules.195":["sections.27.modules.4"],"modules.196":["sections.27.modules.5"],"modules.197":["sections.28.modules.0"],"modules.198":["sections.28.modules.1"],"modules.199":["sections.28.modules.2"],"modules.200":["sections.28.modules.3"],"modules.201":["sections.28.modules.4"],"modules.202":["sections.28.modules.5"],"modules.203":["sections.29.modules.0"],"modules.204":["sections.29.modules.1"],"modules.205":["sections.29.modules.2"],"modules.206":["sections.29.modules.3"],"modules.207":["sections.29.modules.4"],"modules.208":["sections.29.modules.5"],"modules.209":["sections.29.modules.6"],"modules.210":["sections.29.modules.7"],"modules.211":["sections.30.modules.0"],"modules.212":["sections.30.modules.1"],"modules.213":["sections.30.modules.2"],"modules.214":["sections.30.modules.3"],"modules.215":["sections.30.modules.4"],"modules.216":["sections.30.modules.5"],"modules.217":["sections.31.modules.0"],"modules.218":["sections.31.modules.1"],"modules.219":["sections.31.modules.2"],"modules.220":["sections.31.modules.3"],"modules.221":["sections.31.modules.4"],"modules.222":["sections.31.modules.5"],"modules.223":["sections.32.modules.0"],"modules.224":["sections.32.modules.1"],"modules.225":["sections.32.modules.2"],"modules.226":["sections.32.modules.3"],"modules.227":["sections.32.modules.4"],"modules.228":["sections.32.modules.5"],"modules.229":["sections.33.modules.0"],"modules.230":["sections.33.modules.1"],"modules.231":["sections.33.modules.2"],"modules.232":["sections.33.modules.3"],"modules.233":["sections.33.modules.4"],"modules.234":["sections.33.modules.5"],"modules.235":["sections.34.modules.0"],"modules.236":["sections.34.modules.1"],"modules.237":["sections.34.modules.2"],"modules.238":["sections.34.modules.3"],"modules.239":["sections.34.modules.4"],"modules.240":["sections.34.modules.5"],"modules.241":["sections.34.modules.6"],"modules.242":["sections.34.modules.7"],"modules.243":["sections.34.modules.8"],"modules.244":["sections.35.modules.0"],"modules.245":["sections.35.modules.1"],"modules.246":["sections.35.modules.2"],"modules.247":["sections.35.modules.3"],"modules.248":["sections.35.modules.4"],"modules.249":["sections.35.modules.5"],"modules.250":["sections.36.modules.0"],"modules.251":["sections.36.modules.1"],"modules.252":["sections.36.modules.2"],"modules.253":["sections.36.modules.3"],"modules.254":["sections.36.modules.4"],"modules.255":["sections.36.modules.5"],"modules.256":["sections.37.modules.0"],"modules.257":["sections.37.modules.1"],"modules.258":["sections.37.modules.2"],"modules.259":["sections.37.modules.3"],"modules.260":["sections.37.modules.4"],"modules.261":["sections.37.modules.5"],"modules.262":["sections.38.modules.0"],"modules.263":["sections.38.modules.1"],"modules.264":["sections.38.modules.2"],"modules.265":["sections.38.modules.3"],"modules.266":["sections.38.modules.4"],"modules.267":["sections.38.modules.5"],"modules.268":["sections.39.modules.0"],"modules.269":["sections.39.modules.1"],"modules.270":["sections.39.modules.2"],"modules.271":["sections.39.modules.3"],"modules.272":["sections.39.modules.4"],"modules.273":["sections.39.modules.5"],"modules.274":["sections.40.modules.0"],"modules.275":["sections.40.modules.1"],"modules.276":["sections.40.modules.2"],"modules.277":["sections.40.modules.3"],"modules.278":["sections.40.modules.4"],"modules.279":["sections.40.modules.5"],"modules.280":["sections.40.modules.6"],"modules.281":["sections.41.modules.0"],"modules.282":["sections.41.modules.1"],"modules.283":["sections.41.modules.2"],"modules.284":["sections.41.modules.3"],"modules.285":["sections.41.modules.4"],"modules.286":["sections.41.modules.5"],"modules.287":["sections.41.modules.6"],"modules.288":["sections.41.modules.7"],"modules.289":["sections.41.modules.8"],"modules.290":["sections.41.modules.9"],"modules.291":["sections.42.modules.0"],"modules.292":["sections.42.modules.1"],"modules.293":["sections.42.modules.2"],"modules.294":["sections.42.modules.3"],"modules.295":["sections.42.modules.4"],"modules.296":["sections.42.modules.5"],"modules.297":["sections.42.modules.6"],"modules.298":["sections.42.modules.7"],"modules.299":["sections.42.modules.8"],"modules.300":["sections.43.modules.0"],"modules.301":["sections.43.modules.1"],"modules.302":["sections.43.modules.2"],"modules.303":["sections.43.modules.3"],"modules.304":["sections.43.modules.4"],"modules.305":["sections.43.modules.5"],"modules.306":["sections.43.modules.6"],"modules.307":["sections.43.modules.7"],"modules.308":["sections.43.modules.8"],"modules.309":["sections.43.modules.9"],"modules.310":["sections.43.modules.10"],"modules.311":["sections.43.modules.11"],"modules.312":["sections.43.modules.12"],"modules.313":["sections.43.modules.13"],"modules.314":["sections.43.modules.14"],"modules.315":["sections.43.modules.15"],"modules.316":["sections.43.modules.16"],"modules.317":["sections.43.modules.17"],"modules.318":["sections.43.modules.18"]},"v":1}},"dataUpdateCount":1,"dataUpdatedAt":1792309777527,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["learningPaths","getBySlug"],{"input":{"slug":"hld-system-design"},"type":"query"}],"queryHash":"[[\"learningPaths\",\"getBySlug\"],{\"input\":{\"slug\":\"hld-system-design\"},\"type\":\"query\"}]"},{"dehydratedAt":1792309777834,"state":{"data":{"json":{"path":{"archivedAt":null,"id":"seed_8e9996a306ee9551b4e0eb8e18423c97","slug":"hld-system-design","title":"High-Level System Design","description":"Move from architecture fundamentals to concrete system-design cases, then test consistency, failure recovery and authorization decisions through repository coding and review.","image":null,"color":"#2563EB","keyTopics":["Scalability and reliability","Distributed systems","Storage and databases","Caching and performance","Messaging and eventing","Security and observability","Cloud architecture","System design interviews"],"estimatedHours":268,"problemCount":51,"visualizerCount":0,"quizCount":0,"learningCount":268,"difficulty":"INTERMEDIATE","idealFor":["Backend engineers","Senior software developers","Architect aspirants","Interview candidates"],"prerequisites":["Basic web and backend concepts","Databases and networking fundamentals","Experience building production services"],"skillsGained":["Requirement decomposition","Scalable architecture design","Trade-off analysis","Reliability planning","Performance optimization","Interview communication"],"outcomes":["Design robust distributed systems","Choose appropriate architecture patterns","Evaluate consistency and availability trade-offs","Plan for scale, resilience, and cost","Perform strongly in HLD interviews"],"overview":"This HLD learning path builds system design intuition from first principles to large-scale architecture patterns.\n\n**What you'll learn:**\n• Requirements and constraints analysis\n• Scalability, availability, and consistency\n• Caching, load balancing, and data partitioning\n• Messaging and event-driven systems\n• Observability and security foundations\n• Real-world architecture case studies","createdAt":"2026-10-15T17:47:45.111Z","updatedAt":"2026-10-17T16:28:34.023Z","modules":[{"id":"seed_cd72c83576dd62ca09670a67e05c0bfc","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 1: Introduction To System Design","sectionOrder":1,"title":"What Is System Design?","order":1,"contentType":"LEARNING","contentSlug":"what-is-system-design","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_85dd4e6c42bebde58f557fca082250c2","title":"Definition of System Design","order":0},{"id":"seed_84f1fe54fcdf7229e0526904203a2c80","title":"Designing Systems vs Writing Code","order":1},{"id":"seed_dda87a82ef7e0e86665c07bada8649b6","title":"The Art of Making Trade-offs","order":2},{"id":"seed_e3bc0f2090a39077b95d68c35a832441","title":"System Design as Problem-Solving at Scale","order":3}]},{"id":"seed_b32f7761f5d7f2db52111698d8b9eead","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 1: Introduction To System Design","sectionOrder":1,"title":"High-Level Design vs Low-Level Design","order":2,"contentType":"LEARNING","contentSlug":"hld-vs-lld","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_d83f5b4990e8be74ca23f7583d1a2f66","title":"High-Level Design: Architecture, Services, and Data Flow","order":0},{"id":"seed_aadb934b8f4fa1cd64c909164057401d","title":"Low-Level Design: Classes, Interfaces, and Methods","order":1},{"id":"seed_666f1532d47c0a7ee9d8fe13e3e0003c","title":"When to Focus on HLD vs LLD","order":2},{"id":"seed_4d2f578ce0f3a1523e732fbd5811038f","title":"How HLD and LLD Complement Each Other","order":3}]},{"id":"seed_bb50779acfd07cbd55111f771af209c5","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 1: Introduction To System Design","sectionOrder":1,"title":"Why System Design Matters","order":3,"contentType":"LEARNING","contentSlug":"why-system-design-matters","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_d9e9bd42a769b338da079d2d8a3999a1","title":"Building Systems That Scale","order":0},{"id":"seed_46d016e16d40b17ba6b28667ce7bccd3","title":"Handling Millions of Users","order":1},{"id":"seed_8b73425a312e947a2fe7e8f81fbfe69d","title":"Ensuring Reliability and Availability","order":2},{"id":"seed_40bc4dc1129131d43afb8217b5987966","title":"Cost Optimization at Scale","order":3}]},{"id":"seed_3a2d6fd6b10f3375ff7c690b2bfe76bf","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 1: Introduction To System Design","sectionOrder":1,"title":"Thinking at Scale","order":4,"contentType":"LEARNING","contentSlug":"thinking-at-scale","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_ff33d19c50ab748715260580dcb0b60c","title":"Orders of Magnitude Thinking","order":0},{"id":"seed_898b3d51d1ae6dee555aa5ebee04bc60","title":"What Changes at 1K, 100K, 1M, 100M Users","order":1},{"id":"seed_ab29a4d2d344fbd3696e29e346c967f1","title":"Scale as a Forcing Function for Design","order":2},{"id":"seed_0ffd971ebdd6fe846735923f9bec3c43","title":"Real Examples of Scale Challenges","order":3}]},{"id":"seed_44528401a37ff5cf31ff1f3878289865","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 1: Introduction To System Design","sectionOrder":1,"title":"System Design in Interviews vs Real-World","order":5,"contentType":"LEARNING","contentSlug":"system-design-in-interviews-vs-real-world","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_1f8d85b54d2f320cfb63e28a68662e23","title":"Interview Constraints: Time, Scope, and Communication","order":0},{"id":"seed_10592c3212f2523fdc47530757401dc7","title":"Real-World Constraints: Legacy, Teams, and Budgets","order":1},{"id":"seed_12c311ee4b2523d21e0152b56398e104","title":"Common Interview Expectations","order":2},{"id":"seed_cc4050212a67cedc448378a87fd96652","title":"Bridging the Gap: Unifying Interview and Real-World Skills","order":3}]},{"id":"seed_f01cf0319df8fb81d1acc89d516d57a7","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 1: Introduction To System Design","sectionOrder":1,"title":"Prerequisites & Learning Path","order":6,"contentType":"LEARNING","contentSlug":"hld-prerequisites-and-learning-path","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_8b6d3fd4ad7a990ada26d8f8ed4dee21","title":"Required Foundational Knowledge","order":0},{"id":"seed_839d52017725e321cd0469c36a75aa0c","title":"How This Curriculum Is Structured","order":1},{"id":"seed_752f27397df30d585eeeea5053657db7","title":"Recommended Practice Approach","order":2},{"id":"seed_37e269b23348bed761d4bed7fb05280d","title":"Setting Expectations","order":3}]},{"id":"seed_0dd9e5a8f6ab375627417b887a09858d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 2: System Design Thinking","sectionOrder":2,"title":"Requirements Gathering","order":1,"contentType":"LEARNING","contentSlug":"hld-requirements-gathering","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_5c4991695c2a6cbe38ddfe7e008b98aa","title":"Functional Requirements — What It Does","order":0},{"id":"seed_fbe72608c17874b7fbb73d16ccc82553","title":"Non-Functional Requirements — How It Performs","order":1},{"id":"seed_52e282a745011d5eff77588b8a60a942","title":"Asking the Right Questions","order":2},{"id":"seed_45d61474f720c6fcc15985c26214a173","title":"Scoping the Problem","order":3}]},{"id":"seed_dda68a0aa0e21d2b93dbfef361f7ed19","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 2: System Design Thinking","sectionOrder":2,"title":"Back-of-the-Envelope Estimation","order":2,"contentType":"LEARNING","contentSlug":"hld-system-design-thinking-back-of-envelope-estimation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_8af3cd0bdc952407cad494cdc465fe33","title":"Why Estimation Matters","order":0},{"id":"seed_a31d251841a30a1c5976440bccb00589","title":"Traffic Estimation: QPS, DAU, MAU","order":1},{"id":"seed_c22f6124fb8cff99b1cc5ba75975db1a","title":"Storage Estimation","order":2},{"id":"seed_de0d05ab56b9c4dc9af9b608a90d9011","title":"Bandwidth Estimation","order":3},{"id":"seed_c9b3faf02e46727641df88400822a912","title":"Common Estimation Formulas","order":4}]},{"id":"seed_955d00b5fbfda52554f0192dbaa85c82","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 2: System Design Thinking","sectionOrder":2,"title":"Trade-off Analysis","order":3,"contentType":"LEARNING","contentSlug":"trade-off-analysis","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_20fc135f70e7adc658ac4db58b37882f","title":"Every Decision Has Trade-offs","order":0},{"id":"seed_05819e8c6478ee08aa91683aea70e16c","title":"Consistency vs Availability","order":1},{"id":"seed_4242988c20925ad9fc7ac9575eb9a931","title":"Latency vs Throughput","order":2},{"id":"seed_6586cbdc79754c28d3204ef3dbbc52ad","title":"Cost vs Performance","order":3},{"id":"seed_a78f368a65773f0ed4be207c799082f1","title":"Making Informed Decisions","order":4}]},{"id":"seed_9401f4ee0403deccaf6d9d9469d495ee","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 2: System Design Thinking","sectionOrder":2,"title":"Constraints and Bottlenecks","order":4,"contentType":"LEARNING","contentSlug":"constraints-and-bottlenecks","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_8923f7d981b14c181104e34a9a03b599","title":"Identifying Constraints Early","order":0},{"id":"seed_f785f68e190c24967aa16e3cd5889b28","title":"Common Bottlenecks: CPU, Memory, Network, Disk","order":1},{"id":"seed_4240c1bb7ad1f11b6dd5208fbe11f084","title":"Database as Bottleneck","order":2},{"id":"seed_8e521b39ee3f713aae6e49f15a4d51b5","title":"Network as Bottleneck","order":3}]},{"id":"seed_a56034cf773533afa865673c3f79a861","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 2: System Design Thinking","sectionOrder":2,"title":"Iterative Design Process","order":5,"contentType":"LEARNING","contentSlug":"iterative-design-process","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_e7e29bf222e9b40ffab4040ccda18d86","title":"Start Simple, Then Refine","order":0},{"id":"seed_f0adae229e049233c42ce5e0f07a2ef2","title":"High-Level First, Then Deep Dive","order":1},{"id":"seed_6260933f2917e14219e51e47605e43d5","title":"Validate Assumptions","order":2},{"id":"seed_a2e156b93520d4ef17815efb94e53332","title":"Iterate Based on Feedback","order":3}]},{"id":"seed_be21ec3e84ad876f40c9da9a18c5c610","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 2: System Design Thinking","sectionOrder":2,"title":"Documentation and Communication","order":6,"contentType":"LEARNING","contentSlug":"documentation-and-communication","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_373626e7b299e81221243d6ed42ab0a3","title":"Visualizing Architecture","order":0},{"id":"seed_848c5d218ae08e950e20085c22da3fea","title":"Sequence Diagrams for Flows","order":1},{"id":"seed_26c997fc5124b59cc857cf8b3d8ef779","title":"Communicating Trade-offs","order":2},{"id":"seed_fa0b405d7c997205715f93ab8161aeee","title":"Writing Design Documents","order":3}]},{"id":"seed_2beae4bdf08aace729f44c5e18ba70ae","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 2: System Design Thinking","sectionOrder":2,"title":"Design a URL Shortener","order":7,"contentType":"HLD","contentSlug":"design-url-shortener","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_73f71860a64b78fd9afe6774fc8df0fa","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 2: System Design Thinking","sectionOrder":2,"title":"Design a Paste Bin","order":8,"contentType":"HLD","contentSlug":"design-paste-bin","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_e505f27e22be9486f358608ec9a66ddc","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 3: Client Server And Service Architecture","sectionOrder":3,"title":"Client-Server Model","order":1,"contentType":"LEARNING","contentSlug":"hld-client-server-model","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_28afb8c060b5874bda2498612564f615","title":"What is Client-Server Architecture","order":0},{"id":"seed_257103f7368360585d1fa629aa8d1fbd","title":"Request-Response Pattern","order":1},{"id":"seed_bd0637a567cc0c4b08a6657dfbabdeeb","title":"Clients: Web, Mobile, API Consumers","order":2},{"id":"seed_14049aa1a31737ca6f0888220365c885","title":"Servers: Application, Database, Cache","order":3}]},{"id":"seed_ea4d09e8b13d138cf5fb7f743804691f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 3: Client Server And Service Architecture","sectionOrder":3,"title":"Single-Tier vs Multi-Tier Architecture","order":2,"contentType":"LEARNING","contentSlug":"single-tier-vs-multi-tier-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_f9154155a16118c8d761e580df47fd52","title":"Single-Tier Architecture — Everything Together","order":0},{"id":"seed_71470151cdd2ac866bb7afd49b82529a","title":"Two-Tier Architecture — Client and Database","order":1},{"id":"seed_23fc1238af155d80bb02b54dcd79abf4","title":"Three-Tier Architecture — Presentation, Logic, Data","order":2},{"id":"seed_cfea05e488ec68e3f81228c8c95e657c","title":"N-Tier Architecture — Multiple Service Layers","order":3},{"id":"seed_7c1d2f803c1bd4566aa47ea095fbe749","title":"When to Use Which — Choosing the Right Tier Structure","order":4}]},{"id":"seed_9d094878179f7e4f19b264d583395bf1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 3: Client Server And Service Architecture","sectionOrder":3,"title":"Stateless vs Stateful Services","order":3,"contentType":"LEARNING","contentSlug":"stateless-vs-stateful-services","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_e03f1ade0a9dfa881bd65f11832ea3a1","title":"Stateless — No Session State on Server","order":0},{"id":"seed_ea88c3768cff92b94c4054394036f620","title":"Stateful — Session State Maintained","order":1},{"id":"seed_f6f26a8f0d86a72149a46620230cd153","title":"Implications for Scaling","order":2},{"id":"seed_f21aae4976ba262799416a7449e21828","title":"Session Management Strategies","order":3},{"id":"seed_827281f5e1aa3928af25925e11eae48c","title":"When Each Is Appropriate","order":4}]},{"id":"seed_86d6e928662c1990bd91dceaba20374e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 3: Client Server And Service Architecture","sectionOrder":3,"title":"Thin Client vs Thick Client Architecture","order":4,"contentType":"LEARNING","contentSlug":"thin-client-vs-thick-client","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_4e5b029e9c36200a5d4f73e18cc75702","title":"Thin Client — Minimal Processing Locally","order":0},{"id":"seed_6e6c01dec5271db738c6c56e10b2c0f9","title":"Thick Client — Significant Local Processing","order":1},{"id":"seed_4e04fc14ceaf67ec7a66085a9b34e096","title":"Trade-offs — Bandwidth, Latency, Complexity","order":2},{"id":"seed_d39d53b77ce7187b750b42e630157c0b","title":"Mobile Considerations","order":3},{"id":"seed_6c3e95b6529a604b3c7200a2176df804","title":"Progressive Web Apps","order":4}]},{"id":"seed_ec58b331676a1efe0319ee0ec2332367","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 3: Client Server And Service Architecture","sectionOrder":3,"title":"Monolith vs Microservices vs Modular Monolith","order":5,"contentType":"LEARNING","contentSlug":"monolith-vs-microservices","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_e511a439be9996ee6faf6c95850fee92","title":"Monolith — The Single Deployable Unit","order":0},{"id":"seed_66df4ce4b0ca208ed876c064b76ebabe","title":"Microservices — Independent Services","order":1},{"id":"seed_f188ea566ec945ac652104f11595317f","title":"Modular Monolith — The Best of Both Worlds","order":2},{"id":"seed_c145abdf50b61eb55b401800b569d552","title":"Evolution Path — From Monolith to Microservices","order":3},{"id":"seed_85537a8e74958d987836334e2bd1f293","title":"Decision Criteria — Choosing the Right Architecture","order":4}]},{"id":"seed_4831e52caf84c81c5146218d8974c6c5","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 3: Client Server And Service Architecture","sectionOrder":3,"title":"Service Discovery Mechanisms","order":6,"contentType":"LEARNING","contentSlug":"service-discovery-mechanisms","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_596d8c3adada2f53e777fcace5e13036","title":"Why Service Discovery Is Needed","order":0},{"id":"seed_d4626cd4236aea3f93f7b90bdd83135d","title":"Client-Side vs Server-Side Discovery","order":1},{"id":"seed_0aa94e7a5401b9079ff66f478101ce96","title":"Service Registries: Consul, etcd, and Zookeeper","order":2},{"id":"seed_e8b4314ff5877dbe017600d52e72539e","title":"DNS-Based Discovery","order":3},{"id":"seed_bcd59d49f43fbc87f5496208464bc32e","title":"Kubernetes Service Discovery","order":4}]},{"id":"seed_31582e9cd55998cffe0ac1105841722e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 4: Distributed Systems Fundamentals","sectionOrder":4,"title":"What Is a Distributed System?","order":1,"contentType":"LEARNING","contentSlug":"what-is-a-distributed-system","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_f3e03786009a5e7946916a9ff1f34ad5","title":"Definition and Characteristics","order":0},{"id":"seed_237ba09d0cd98cf10a6739aa58ab0a20","title":"Why We Need Distributed Systems","order":1},{"id":"seed_b218667a786846fc7a1c962a533b4cea","title":"Benefits: Scalability and Fault Tolerance","order":2},{"id":"seed_270952eed3e35dbf5d1fc490daf0dbe3","title":"Challenges: Complexity and Coordination","order":3}]},{"id":"seed_f4fd618fa5d4af98a092cad764de88df","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 4: Distributed Systems Fundamentals","sectionOrder":4,"title":"Fallacies of Distributed Computing","order":2,"contentType":"LEARNING","contentSlug":"fallacies-of-distributed-computing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_fc0a8d2a41a34d1ca568e7d57d9ea3e4","title":"The Network Is Reliable (It's Not)","order":0},{"id":"seed_cc3a920ae631620e75ff5fa7bcd7f6c9","title":"Latency Is Zero (It's Not)","order":1},{"id":"seed_92973315b7bf3cc194890f0b0a5869c1","title":"Bandwidth Is Infinite (It's Not)","order":2},{"id":"seed_ed46e1168ce55aec6e754a158fc5a4bf","title":"The Network Is Secure (It's Not)","order":3},{"id":"seed_fb063a68cb4fea6b17ea1e526c8f9aab","title":"All Eight Fallacies and Their Implications","order":4}]},{"id":"seed_9159454b9c9fbe0765b3102fa21785d7","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 4: Distributed Systems Fundamentals","sectionOrder":4,"title":"CAP Theorem: Understanding Distributed System Trade-offs","order":3,"contentType":"LEARNING","contentSlug":"hld-cap-theorem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_35b1acb81da8b637e6c7a6e773457cc4","title":"Consistency — All Nodes See the Same Data","order":0},{"id":"seed_d5ea644cacabad97fef360859051b865","title":"Availability — Every Request Gets a Response","order":1},{"id":"seed_5eb5c838ccb82aead1b3c4ee1f090e2f","title":"Partition Tolerance — System Works Despite Network Failures","order":2},{"id":"seed_119528e0facb572ccaa284e8faf542c9","title":"CAP in Practice — Applying Theory to Real Systems","order":3},{"id":"seed_2a802ee16ca5ce8ae8f840871382dc31","title":"Choosing Between CP and AP — The Final Decision Guide","order":4}]},{"id":"seed_48fe4c1ef3585932b2cf127ac6d17961","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 4: Distributed Systems Fundamentals","sectionOrder":4,"title":"PACELC Theorem: Beyond CAP","order":4,"contentType":"LEARNING","contentSlug":"pacelc-theorem","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_863d623201d875b4c114933d21b0bf21","title":"Extension of CAP: Why CAP Isn't the Complete Picture","order":0},{"id":"seed_7be20f455b3a4e3e2a88aa481a68d7bf","title":"What Happens When There's No Partition: The 'Else' Clause","order":1},{"id":"seed_13d5a5a79368aa12a32529e99a5aadf2","title":"Latency vs Consistency Trade-off: The Core PACELC Decision","order":2},{"id":"seed_e226bea1c947ff9c82e93b25b61202c6","title":"Practical Implications: Applying PACELC to Real-World Design","order":3}]},{"id":"seed_95859b467494cc821396715416c20dbe","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 4: Distributed Systems Fundamentals","sectionOrder":4,"title":"Time in Distributed Systems","order":5,"contentType":"LEARNING","contentSlug":"time-in-distributed-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_43b8485bd1f1deed67f21ddaa7f8ee4a","title":"Why Time is Hard in Distributed Systems","order":0},{"id":"seed_8b056708e1f7f340729325385de7ffa3","title":"Physical Clocks and Clock Drift","order":1},{"id":"seed_f9ab071c48fbcd0d12095105f816790a","title":"NTP and Time Synchronization","order":2},{"id":"seed_2cc434de12d8afa63afba00ada843fe8","title":"Logical Clocks (Lamport Clocks)","order":3},{"id":"seed_a5d242a3c22679180dda702b1f71152a","title":"Vector Clocks for Causality","order":4}]},{"id":"seed_2d7c9bb7660a0efaa6d16586354e7b29","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 4: Distributed Systems Fundamentals","sectionOrder":4,"title":"Ordering and Causality in Distributed Systems","order":6,"contentType":"LEARNING","contentSlug":"ordering-and-causality","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_afe38202c5bc1ce87126fb76bf21d6d1","title":"Event Ordering Challenges","order":0},{"id":"seed_804fce81f6d98dc7cfcecfc822a77926","title":"Happens-Before Relationship","order":1},{"id":"seed_9cb48855a38ce24c9e25ee19b5bd7bd8","title":"Causal Ordering","order":2},{"id":"seed_055e654759fcd814c618bcb2bcadc0f6","title":"Total Ordering","order":3},{"id":"seed_78c78c8553abf68dd0657c4180a3cbc4","title":"Practical Implications for Consistency","order":4}]},{"id":"seed_94f05a592e7a9b03857a6544ce1b6e59","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"The Consensus Problem","order":1,"contentType":"LEARNING","contentSlug":"the-consensus-problem","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_625d458e9256e2fc0711815c3e1f2281","title":"What Is Consensus","order":0},{"id":"seed_1fee198f367542b41948d593b14d9763","title":"Why Consensus Is Hard","order":1},{"id":"seed_632961284947eec08c3c8fb1987385b7","title":"Byzantine vs Crash Failures","order":2},{"id":"seed_288e77c43c4250f780061ca7395351a8","title":"FLP Impossibility Result (Intuition)","order":3}]},{"id":"seed_5be00e8a43670968aa4dad89b05cc722","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"The Paxos Consensus Algorithm","order":2,"contentType":"LEARNING","contentSlug":"paxos-algorithm","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_e026791662dffa84dbf1b50cef70fe05","title":"Basic Paxos Overview","order":0},{"id":"seed_436f92871357812bcb2fb96b60f78c20","title":"Proposers, Acceptors, Learners","order":1},{"id":"seed_f2e7626313950d956d0ff756d02b8f37","title":"Two-Phase Protocol","order":2},{"id":"seed_3e78fde2ba6546147ac99797a1d50075","title":"Multi-Paxos for Log Replication","order":3},{"id":"seed_efd5901cbdbe4525bb7293a588ae9a76","title":"Why Paxos is Hard to Implement","order":4}]},{"id":"seed_ac2394a9e5201b1a5381626497ef2776","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"Raft Consensus Algorithm","order":3,"contentType":"LEARNING","contentSlug":"raft-algorithm","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_2159df2cf9585156438d1429418f4f21","title":"Raft as Understandable Consensus","order":0},{"id":"seed_f502feccb6d7d129c0f8718f5daf9f67","title":"Leader Election","order":1},{"id":"seed_213eccf7ad206214d56b9125fdcb7f4a","title":"Log Replication","order":2},{"id":"seed_ceed1a2da9d588f3a645af05de8f6cb1","title":"Safety Guarantees","order":3},{"id":"seed_b01bd19c09f1f46fe2deea5f0064c8f3","title":"Raft in Practice (etcd, Consul)","order":4}]},{"id":"seed_71f99d8b59b19bf10e58237116eaa99c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"ZAB (Zookeeper Atomic Broadcast)","order":4,"contentType":"LEARNING","contentSlug":"zab-zookeeper-atomic-broadcast","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_51bfd95b65623205d4d38091c1785d96","title":"Zookeeper's Consensus Protocol","order":0},{"id":"seed_dfa7e33f93c00aad89260303e6bc443b","title":"Leader-Based Ordering","order":1},{"id":"seed_fd5a165187ded834fd090fe2b91b5630","title":"Comparison with Raft and Paxos","order":2},{"id":"seed_e8eb01d4f3a941a6da6b2a4049a14a40","title":"Use in Kafka and Hadoop","order":3}]},{"id":"seed_2f91275eebd25912bf56eb087041e788","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"Distributed Locking","order":5,"contentType":"LEARNING","contentSlug":"distributed-locking","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_0a379de217a3d149f594c4494482cac6","title":"Why Distributed Locking Is Needed","order":0},{"id":"seed_2d14db0c1e1f8a92279168ee8234e36d","title":"Lock Requirements: Mutual Exclusion, Deadlock Freedom, and Liveness","order":1},{"id":"seed_9fcb4aafd53b4fc5a72bfb9f84ebc091","title":"Zookeeper Locks: Hierarchical Coordination for Distributed Systems","order":2},{"id":"seed_9c2393a383a29fce2b7bbbcef58df417","title":"etcd Locks: Modern Coordination for Cloud-Native Systems","order":3},{"id":"seed_c1d273afcd54a095e36eb1b5b2af3a15","title":"Redis Redlock: Algorithm, Controversy, and Hard Truths","order":4}]},{"id":"seed_a864aee809a31f660fd703c290f21a28","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"Leader Election","order":6,"contentType":"LEARNING","contentSlug":"leader-election","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_4d4488ba768ee38f3f80eceba4137f66","title":"When Leader Election Is Needed","order":0},{"id":"seed_adda45974aadedf930f0424f0e2065b5","title":"The Bully Algorithm","order":1},{"id":"seed_087dbe90c6bc51bce4f48d3520e71754","title":"The Ring Algorithm","order":2},{"id":"seed_31b7ec479905bba8f42dd8b5ddde833d","title":"Lease-Based Election","order":3},{"id":"seed_a75e68f956e81b7666c12990856d2efb","title":"Leader Election in Practice","order":4}]},{"id":"seed_ec045f581859451f2e3bfc6953784dcf","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"Coordination Services","order":7,"contentType":"LEARNING","contentSlug":"coordination-services","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_ce1a737fdb26fef550d8e1a97577b444","title":"Zookeeper: Hierarchical Key-Value Coordination","order":0},{"id":"seed_c1d489c13cbf42af36af411fabc53e05","title":"etcd: Simple Key-Value with Raft","order":1},{"id":"seed_ccbbe8b96f72f35e4e9c6d69758d02e5","title":"Consul: Service Mesh + KV","order":2},{"id":"seed_aa34d0dfd1e2a5ab4ca9863e4ced876b","title":"Choosing Coordination Service","order":3},{"id":"seed_a1a91edd3d3602eedc5d23cb6c5f5465","title":"When to Use Coordination Services","order":4}]},{"id":"seed_da1fb6b1fec7437be1b1e4a4b3071053","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"Design a Consensus Protocol (Raft / Paxos)","order":8,"contentType":"HLD","contentSlug":"design-consensus-protocol","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_3c490d910237f5ba0aa2ca59bee6951f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 5: Distributed Coordination And Consensus","sectionOrder":5,"title":"Design a Unique ID Generator","order":9,"contentType":"HLD","contentSlug":"design-unique-id-generator","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_2ffa3b25335736298bb865cd8837896e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 6: Scalability Fundamentals","sectionOrder":6,"title":"What Is Scalability?","order":1,"contentType":"LEARNING","contentSlug":"what-is-scalability","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_a994b0a5197941ea5c2f0369877e58aa","title":"Definition of Scalability","order":0},{"id":"seed_c0041fd351f3af8fd05c1886db948cc9","title":"Scalability vs Performance","order":1},{"id":"seed_883fc0afc0ba46839aebf6a93781ed78","title":"Scalability Metrics","order":2},{"id":"seed_8f21bc7e1f694493c505debe13f3b7bc","title":"Why Scalability Matters","order":3}]},{"id":"seed_bfbf8a8efec340b7f4c5d4e7871b4424","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 6: Scalability Fundamentals","sectionOrder":6,"title":"Horizontal vs Vertical Scaling","order":2,"contentType":"LEARNING","contentSlug":"horizontal-vs-vertical-scaling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_0113ff42cffe8309457a4aa5799aad0b","title":"Vertical Scaling: Bigger Machines","order":0},{"id":"seed_05985f7bfdadbf0bd111afec363c908f","title":"Horizontal Scaling: More Machines","order":1},{"id":"seed_efbf6d2c3ab580d5dc6e5a502034ef94","title":"Trade-offs of Each Approach","order":2},{"id":"seed_d52359534102861a491441a1ee520abf","title":"When to Use Which","order":3},{"id":"seed_9478a08624d877447298c8ca7830a81a","title":"Practical Limits","order":4}]},{"id":"seed_72219a9fba9efb0d6715d1c47b0315ea","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 6: Scalability Fundamentals","sectionOrder":6,"title":"Scaling Strategies","order":3,"contentType":"LEARNING","contentSlug":"scaling-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_87aa7ee566667b651d1f5de52e2b7295","title":"Read Scaling vs Write Scaling","order":0},{"id":"seed_0980fdbff42059d88433418537c35de3","title":"Stateless Service Scaling","order":1},{"id":"seed_79dd8aa30b26cdde0af6fe714589933f","title":"Database Scaling Patterns","order":2},{"id":"seed_ba9d42c74fdee6738862f9ccad5358da","title":"Cache Scaling Patterns","order":3},{"id":"seed_bd0b065634ec8bf3c256e295f2ff7bb9","title":"Queue Scaling Patterns","order":4}]},{"id":"seed_27e9cc64f96ba68cda3309bb18522f92","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 6: Scalability Fundamentals","sectionOrder":6,"title":"Auto-Scaling: Dynamic Resource Management","order":4,"contentType":"LEARNING","contentSlug":"auto-scaling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_19195ec5002f6c866b2b8b1edc0f314c","title":"What is Auto-Scaling","order":0},{"id":"seed_558d09536faa6bbb36282c62835fb5f5","title":"Scaling Triggers: CPU, Memory, Queue Depth","order":1},{"id":"seed_efad04816ff5d428c2e7f5ab7a021ea5","title":"Scaling Policies","order":2},{"id":"seed_859765c3f8fc0ac80979f99f42cac6e8","title":"Cool-Down Periods","order":3},{"id":"seed_af72255b8fbd4e2b7e3391c858549a4b","title":"Predictive Scaling","order":4}]},{"id":"seed_6f42f716775828165d6c30111e7f4612","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 6: Scalability Fundamentals","sectionOrder":6,"title":"Geo-Distributed Architecture","order":5,"contentType":"LEARNING","contentSlug":"geo-distributed-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_494590a8ac989a52476dad40a86c72f0","title":"Why Geo-Distribution Matters","order":0},{"id":"seed_db1cda04534fce0e5409672a8f8f3dad","title":"Single Region vs Multi-Region","order":1},{"id":"seed_a52412e7b4e51639a076ed3362c5078c","title":"Active-Passive vs Active-Active","order":2},{"id":"seed_137b8e7e9b2828407bdfd7f5365688ba","title":"Data Replication Across Regions","order":3},{"id":"seed_e860c91aea0c5e1f09e85ccef0395a30","title":"Latency Optimization","order":4}]},{"id":"seed_86cafe8946e2de0db339228cb731bf95","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 6: Scalability Fundamentals","sectionOrder":6,"title":"The Scaling Playbook: From Startup to Enterprise","order":6,"contentType":"LEARNING","contentSlug":"scaling-playbook","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_fe8e57f498cae7396f01e38ea79a988b","title":"Real-world Scaling Patterns","order":0},{"id":"seed_0d382cbfdf3e321df42684c431658973","title":"Database Scaling Journey","order":1},{"id":"seed_bc59bf34b950254df3d812432127c950","title":"Caching Layer Introduction","order":2},{"id":"seed_df6994ce16ebceb4978b4985dcc2f425","title":"Queue-based Decoupling","order":3},{"id":"seed_05ef1447f13ced69986098193515f7f1","title":"Microservices Decomposition","order":4}]},{"id":"seed_eda58769f45af5457dbc62db84643cd3","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 7: Load Balancing And Traffic Routing","sectionOrder":7,"title":"What Is Load Balancing?","order":1,"contentType":"LEARNING","contentSlug":"what-is-load-balancing","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_473b4fc48ec4e03fce5e18eda675e9f3","title":"Definition and Purpose of Load Balancing","order":0},{"id":"seed_198ec0717fd274ee4f3ceae3c293bf80","title":"Benefits: Availability, Performance, Flexibility","order":1},{"id":"seed_9a6a36b6095582f43aa94e15657d9fc7","title":"Load Balancer Placement","order":2},{"id":"seed_cca2a12a669620824163fbe0d83681bc","title":"Single Point of Failure Considerations","order":3}]},{"id":"seed_2becbe3e4c17b520fa33baf8a11bdd64","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 7: Load Balancing And Traffic Routing","sectionOrder":7,"title":"Layer 4 vs Layer 7 Load Balancing","order":2,"contentType":"LEARNING","contentSlug":"layer-4-vs-layer-7-load-balancing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_126880c42f8e5fdf832ecab207cb3790","title":"Layer 4 Load Balancing: Transport Layer (TCP/UDP)","order":0},{"id":"seed_efcdcb683c0a2e034a2edcb903556a62","title":"Layer 7 Load Balancing: Application Layer (HTTP)","order":1},{"id":"seed_29fea9ee64ed42786e770a2273ecc583","title":"Performance vs Flexibility Trade-off","order":2},{"id":"seed_75825f0050a3c94baac83b1928c4f35e","title":"Use Cases for Each Layer","order":3},{"id":"seed_8c74f49829a9493e6a7fa1ffcdd42d62","title":"Hybrid Approaches","order":4}]},{"id":"seed_205244687ba56e2a8567ec822f3d58f0","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 7: Load Balancing And Traffic Routing","sectionOrder":7,"title":"Load Distribution Algorithms","order":3,"contentType":"LEARNING","contentSlug":"load-distribution-algorithms","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_723bf4ea049d30618ac2872d62f1238c","title":"Round Robin: The Foundation of Load Distribution","order":0},{"id":"seed_5c9348f3d9db6ad8188f1b2a7f262248","title":"Weighted Round Robin: Proportional Distribution for Heterogeneous Systems","order":1},{"id":"seed_a701b8f5d922326f390900d2b41ec604","title":"Least Connections: Load-Aware Distribution","order":2},{"id":"seed_cf4d2e062a6e459b5360ce41dc35611a","title":"Weighted Least Connections: Optimal Distribution for Complex Environments","order":3},{"id":"seed_e667484ca31ab823e3e80e0a6c3d8ad9","title":"IP Hash: Deterministic Routing for Session Affinity","order":4},{"id":"seed_8182a251eff0e11fc7a8241f57d796c5","title":"Consistent Hashing: The Foundation of Distributed Systems","order":5}]},{"id":"seed_38069fa7f516d48ec991e6dbf67badfb","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 7: Load Balancing And Traffic Routing","sectionOrder":7,"title":"Session Persistence (Sticky Sessions)","order":4,"contentType":"LEARNING","contentSlug":"session-persistence-sticky-sessions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_58e573bae29434526862bc621f44bf88","title":"Why Session Persistence Is Needed","order":0},{"id":"seed_7da17fbfc0c6260e75e0bf939e0e7f37","title":"Cookie-Based Session Persistence","order":1},{"id":"seed_4a29183a5ecafa84eda87d62752072ba","title":"IP-Based Session Persistence","order":2},{"id":"seed_943fafe75dcdc4f03f6b09a39d341d69","title":"Drawbacks of Sticky Sessions","order":3},{"id":"seed_24cf8a96cc1757cc2d0f4d89946b50a2","title":"Stateless Alternatives to Sticky Sessions","order":4}]},{"id":"seed_7d0615cd6f1504310551832ae1675d63","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 7: Load Balancing And Traffic Routing","sectionOrder":7,"title":"Health Checks & Failover","order":5,"contentType":"LEARNING","contentSlug":"health-checks-and-failover","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_0b104ffc5eb0b3b3276c4dd84ad930b6","title":"Active vs Passive Health Checks","order":0},{"id":"seed_3e152aaef88ed76b3395faa93d0bce2c","title":"Health Check Endpoints","order":1},{"id":"seed_c6540456e89a8086fdf9ed98d8208e96","title":"Failure Detection","order":2},{"id":"seed_e0fabb20177d51c3e321c44ab455e518","title":"Graceful Degradation","order":3},{"id":"seed_8f598c9e8eae5542dd8b93865d1d2755","title":"Failover Strategies","order":4}]},{"id":"seed_8de057a7b5ace87ee65f97d94e7da235","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 7: Load Balancing And Traffic Routing","sectionOrder":7,"title":"Global Load Balancing & Anycast","order":6,"contentType":"LEARNING","contentSlug":"global-load-balancing-and-anycast","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_aa5a722abfec24a5da69fbdd12c41918","title":"Global Server Load Balancing (GSLB)","order":0},{"id":"seed_1127bcca8d81f5e2bb155c8cb2d0b3e1","title":"DNS-Based Load Balancing","order":1},{"id":"seed_f20597c406cb1fa9ffad7d8351aaf6f9","title":"Anycast Routing","order":2},{"id":"seed_04365521431bd5372c86b662fc78a2c5","title":"GeoDNS","order":3},{"id":"seed_374a50e3e7cffb3822203aeb2abdd11f","title":"Traffic Management Policies","order":4}]},{"id":"seed_9582d82528e370a4da3694897acd65d3","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 7: Load Balancing And Traffic Routing","sectionOrder":7,"title":"Load Balancer Comparison","order":7,"contentType":"LEARNING","contentSlug":"load-balancer-comparison","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_57be2664a17baf5020e49fadd14e89fb","title":"NGINX — Versatile, Widely Used","order":0},{"id":"seed_2c032498374d898817c6b7ca18ef53f8","title":"HAProxy — High Performance, TCP/HTTP","order":1},{"id":"seed_0d19524f50bd27dedcb5c8f1df4e8f11","title":"Envoy — Modern, Cloud-Native","order":2},{"id":"seed_f31d9ec6e4c135f1b2ff2850930401b5","title":"AWS ALB/NLB — Managed AWS Options","order":3},{"id":"seed_ce3fe5c454a453fd07f369f7ab661918","title":"Cloud Load Balancers Comparison","order":4}]},{"id":"seed_e9d651213d01f50861224fddc574d8eb","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"Why Caching Matters","order":1,"contentType":"LEARNING","contentSlug":"hld-why-caching-matters","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_fef2990f5c96ff39ba945d09b495333f","title":"What is Caching","order":0},{"id":"seed_62ab64bd36d8f757114d2209f1cc57fc","title":"Cache Hit vs Cache Miss","order":1},{"id":"seed_d09b12384e4f189d36bfc748a3b1f57a","title":"Performance Improvement Potential","order":2},{"id":"seed_6543d34bc9893834ce305a8e62ee3d75","title":"Caching Trade-offs","order":3}]},{"id":"seed_216df00e7cc529ab4e08d97aff7eef0e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"Caching Layers","order":2,"contentType":"LEARNING","contentSlug":"caching-layers","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_701eb57cb54c97c446f331081ed2de9c","title":"Client-Side Caching (Browser)","order":0},{"id":"seed_551502abe3deac897b7e932fe4d30e97","title":"CDN Caching (Edge)","order":1},{"id":"seed_c215b642f2f5fadcc4dc876f09476a29","title":"Application-Level Caching","order":2},{"id":"seed_906e7320f80d7f9462964e305bd5bd74","title":"Database Query Caching","order":3},{"id":"seed_a7718f020f605d4fb8e756a98dcae6e3","title":"Distributed Caching","order":4}]},{"id":"seed_667fe871aba8e985ec485343c9a34118","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"Write-Through Caching","order":3,"contentType":"LEARNING","contentSlug":"write-through-caching","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_41439286953ea479e33bf4bfffc5fe6f","title":"How Write-Through Works","order":0},{"id":"seed_859fc11e8588287a3b074f71205062be","title":"Data Written to Cache and Database Together","order":1},{"id":"seed_ea2a6283eb931cfaabfa923d515df4e2","title":"Consistency Benefits","order":2},{"id":"seed_bb9d55fd5dce21a6d4a504a658402fb4","title":"Performance Trade-offs","order":3},{"id":"seed_08458be4eecb8cbe50055def57e8eacc","title":"Use Cases","order":4}]},{"id":"seed_375ca498400efe44f6715ff03f51d523","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"Write-Back (Write-Behind) Caching","order":4,"contentType":"LEARNING","contentSlug":"write-back-caching","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_1816cdee5fe488c75b60d257408df1f9","title":"How Write-Back Caching Works","order":0},{"id":"seed_691b30800f07eeda04f82f98d4cc43d2","title":"Data Written to Cache First","order":1},{"id":"seed_063be6b9514b1766a333e4051fbe1322","title":"Asynchronous Database Writes","order":2},{"id":"seed_67196222737c1f173fd0cb405bed8eb5","title":"Performance Benefits of Write-Back Caching","order":3},{"id":"seed_a64f026511bd6de94f9870056a6d8458","title":"Durability Concerns in Write-Back Caching","order":4}]},{"id":"seed_565516923c271213a8ea543438eb17f2","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"Write-Around Caching","order":5,"contentType":"LEARNING","contentSlug":"write-around-caching","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_b048d60997a0c309f2f1a623dc51fe30","title":"How Write-Around Caching Works","order":0},{"id":"seed_b8397442928abb6823acc9d6189ddcfd","title":"Writes Go Directly to Database","order":1},{"id":"seed_f2d8c060f1fd9d11b02fbcaeb19de51c","title":"Cache Populated on Reads","order":2},{"id":"seed_831dc6fce9658066fa0cf6548f838e00","title":"Read Miss Behavior","order":3},{"id":"seed_cd8a167bb9a61519e639e3bf43de2048","title":"Use Cases for Write-Around Caching","order":4}]},{"id":"seed_fb1073dff91cf5183b544aae85793e11","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"Cache Invalidation Strategies","order":6,"contentType":"LEARNING","contentSlug":"hld-cache-invalidation-strategies","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_e189f735026d21764959afd74d124400","title":"Time-based Expiration (TTL)","order":0},{"id":"seed_3dc4e91295771f70d6e87e8519c53cfc","title":"Event-based Invalidation","order":1},{"id":"seed_10d62f0985aa6e51235df8d85ae73d74","title":"LRU (Least Recently Used)","order":2},{"id":"seed_b37fa9ecd49cae513ec033f997d40c3e","title":"LFU (Least Frequently Used)","order":3},{"id":"seed_7a355c17c365ec50c75b670891c82472","title":"FIFO (First In First Out)","order":4},{"id":"seed_31cf5c28299cb848e379e74247582caa","title":"Cache Versioning","order":5}]},{"id":"seed_b740555b0b1fa7e872cbe9091a055eba","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"CDN Caching: Global Content Distribution at Scale","order":7,"contentType":"LEARNING","contentSlug":"cdn-caching","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_1bf4ddc575c589fc0fe406aa72eff3c4","title":"CDN Architecture: The Foundation of Global Content Distribution","order":0},{"id":"seed_35a1d3bd7976b6a0364192410e0dd5c9","title":"Edge Locations: Strategic Global Placement for Ultra-Low Latency","order":1},{"id":"seed_02bfc0412470c00da1ac84432e4c63d2","title":"Cache Keys and TTL: Controlling What Gets Cached and For How Long","order":2},{"id":"seed_be27e8d4b5eaf70679f4c1b52c397d2e","title":"Cache Invalidation at CDN: The Hardest Problem in Caching","order":3},{"id":"seed_65451011839fdffcec1d5a2b45776b1b","title":"Origin Shield: Protecting Your Origin at Global Scale","order":4}]},{"id":"seed_cec1ce23de6ce474aac312c37479aca2","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"Distributed Cache Systems","order":8,"contentType":"LEARNING","contentSlug":"distributed-cache-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_d6a8c399a4a31d92dd17bc58aec6c587","title":"Redis: Data Structures, Persistence, and Clustering","order":0},{"id":"seed_b0e1a6bad4e31d2542670b53139b8a9e","title":"Memcached: Simple, High-Performance Caching","order":1},{"id":"seed_40bbe072a5f6e7f1453b9685060e260c","title":"Redis vs Memcached: A Detailed Comparison","order":2},{"id":"seed_e1506a562734d943132960eeedc98d6d","title":"Cache Cluster Management","order":3},{"id":"seed_2a526f127ef377f776be2480a15359d1","title":"Cache Consistency Challenges","order":4}]},{"id":"seed_54ab51d8b7f7fb3409c64fe0537c8092","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 8: Caching Strategies","sectionOrder":8,"title":"Design Redis","order":9,"contentType":"HLD","contentSlug":"design-redis","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_f634228fec7d7df2737fdec9c17cfb0d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 9: Performance Optimization","sectionOrder":9,"title":"Performance Metrics","order":1,"contentType":"LEARNING","contentSlug":"performance-metrics","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_d4c4bdb83e5d5064bb67f042d1735c90","title":"Latency: Response Time","order":0},{"id":"seed_f74de38e1780cf50f37d8f359238aff2","title":"Throughput: Requests per Second","order":1},{"id":"seed_8958dd4cfa8ac5a1aef890f3a0e45b4d","title":"Percentiles: p50, p95, p99","order":2},{"id":"seed_e1b8ed5c2304a0230b2b8f7ddd8eb6c5","title":"Availability and Uptime","order":3},{"id":"seed_2ade575382bb70381f528a77a6737ea9","title":"Resource Utilization","order":4}]},{"id":"seed_69fb7062f03c8df31452b9b97d0ac4cb","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 9: Performance Optimization","sectionOrder":9,"title":"Identifying Performance Bottlenecks","order":2,"contentType":"LEARNING","contentSlug":"identifying-bottlenecks","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_462f7e50054f053e5ba3870775dc6fe6","title":"CPU-Bound vs I/O-Bound: The Fundamental Bottleneck Dichotomy","order":0},{"id":"seed_ce2dfae405152c2f30e535e3c74bc973","title":"Database Bottlenecks: The Most Common Constraint in Data-Driven Systems","order":1},{"id":"seed_580dde7076ea81995f32e4d3c8a99802","title":"Network Bottlenecks: The Invisible Constraint in Distributed Systems","order":2},{"id":"seed_d2bfa1e0c4aa5f62e6cc898587b0c7f0","title":"Memory Constraints: The Silent Performance Killer","order":3},{"id":"seed_ec800b13712fa0c097fe1e37811feb38","title":"Disk I/O Limitations: When Storage Becomes the Bottleneck","order":4}]},{"id":"seed_085ee8bfceb591a77600c22e38404d6f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 9: Performance Optimization","sectionOrder":9,"title":"Latency Optimization: Eliminating Performance Bottlenecks","order":3,"contentType":"LEARNING","contentSlug":"latency-optimization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_e06ef97af4dfee1b325c19e40c409e10","title":"Network Latency Reduction","order":0},{"id":"seed_0aee8cfbab83b910b00ec6843581d913","title":"Database Query Optimization","order":1},{"id":"seed_a3e3810b3c58bc3236b5fbf0d7c2d654","title":"Caching for Latency","order":2},{"id":"seed_b78a37cd946f8f83d4c79461f47e018b","title":"Async Processing","order":3},{"id":"seed_4d6933cc0ebb34d960b9a4cef9b4ea8a","title":"Connection Pooling","order":4}]},{"id":"seed_8eb51e526b02b23bc626bdab55917bd0","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 9: Performance Optimization","sectionOrder":9,"title":"Throughput Optimization Techniques","order":4,"contentType":"LEARNING","contentSlug":"throughput-optimization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_2e6d59deded6fb092aacfd4ca99e1860","title":"Parallelization: Maximizing Concurrent Execution","order":0},{"id":"seed_e2cb38c2f8d37539b2628cf2ba99870e","title":"Batching Requests: Amortizing Overhead Through Grouping","order":1},{"id":"seed_c3af61fa5fef325dcd342e80417fed9f","title":"Connection Reuse: Eliminating Establishment Overhead","order":2},{"id":"seed_184f130cc9d07f4dfc39495f106094e0","title":"Queue-Based Processing: Decoupling for Throughput","order":3},{"id":"seed_36076999a3b45394a62154f311878407","title":"Horizontal Scaling: Multiplying Capacity Through Distribution","order":4}]},{"id":"seed_1ade4b30aedd90a17918102a9dc1658b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 9: Performance Optimization","sectionOrder":9,"title":"Database Performance Optimization","order":5,"contentType":"LEARNING","contentSlug":"database-performance","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_5325eafb830b274b09789710534dac21","title":"Query Optimization: The Foundation of Database Performance","order":0},{"id":"seed_454fb62f9595813b9e15dd3ad60a172e","title":"Indexing Strategies: The Architecture of Fast Data Access","order":1},{"id":"seed_00a2c3a752c14cffbd2873edfb35de3d","title":"Connection Pooling: Managing Database Access at Scale","order":2},{"id":"seed_0dcb7279fc0a8a88fba04cdb605d2eb1","title":"Read Replicas: Scaling Read Throughput","order":3},{"id":"seed_05864c147b50f4130b6bf0d637ce8bae","title":"Query Caching: Eliminating Redundant Database Work","order":4}]},{"id":"seed_d3930210e3143b963535f4cfa8a98d1f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 9: Performance Optimization","sectionOrder":9,"title":"Profiling and Monitoring","order":6,"contentType":"LEARNING","contentSlug":"profiling-and-monitoring","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_0d43e7b44dee24247e10bc8a0df0e12c","title":"Application Profiling","order":0},{"id":"seed_a2f96f319abbd2b05a2a42975adc29c6","title":"Database Query Analysis","order":1},{"id":"seed_300a061103819d9f65eb40ad78fbe253","title":"Network Monitoring","order":2},{"id":"seed_76725a89889959f40ab00aeb97696a6f","title":"Continuous Performance Testing","order":3},{"id":"seed_507fc4976dc2984a054f89271496521e","title":"Performance Budgets","order":4}]},{"id":"seed_4c211e8f3805bb1a831381b9c05ab3f0","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 10: Database Fundamentals","sectionOrder":10,"title":"Why Databases Matter in System Design","order":1,"contentType":"LEARNING","contentSlug":"why-databases-matter","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_46924a6b48587266c09b7ef6db755d6d","title":"Data as the Core of Systems","order":0},{"id":"seed_775775d72d16c6141f91297644dbb453","title":"Persistence Requirements","order":1},{"id":"seed_2a2193290c0b3ac953d81fbef3d9ca96","title":"Query and Access Patterns","order":2},{"id":"seed_5c8efa37901a3f61c91118064eaeee92","title":"Database as Bottleneck","order":3}]},{"id":"seed_be3e9b67faee22c3ef1e41568567b1aa","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 10: Database Fundamentals","sectionOrder":10,"title":"SQL vs NoSQL: Choosing the Right Database Paradigm","order":2,"contentType":"LEARNING","contentSlug":"sql-vs-nosql","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_a6f8eb264d666beb361218e0767bcb0d","title":"Relational Model: Tables, Rows, Relationships","order":0},{"id":"seed_a5b60a2a548bb47ed24eb4d2c5ac7ec4","title":"NoSQL: Flexible Schemas, Specialized Models","order":1},{"id":"seed_b11deedd41393719a79a58b871d1590b","title":"When to Choose SQL","order":2},{"id":"seed_92ed38076818cda040f50ee94a189aa5","title":"When to Choose NoSQL","order":3},{"id":"seed_9df1e0970a7a175a74bf8c51222f2dd6","title":"Polyglot Persistence","order":4}]},{"id":"seed_df3a4b074ff49d03188ae38aa4ebe2ad","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 10: Database Fundamentals","sectionOrder":10,"title":"ACID Properties: The Pillars of Transactional Integrity","order":3,"contentType":"LEARNING","contentSlug":"hld-acid-properties","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_d4d5a8aa242526558138a94c2d1859e8","title":"Atomicity: All or Nothing","order":0},{"id":"seed_0cd30e1c4e096edc0a25ab62e8bfe0dd","title":"Consistency: Valid State Transitions","order":1},{"id":"seed_df74cb84a0cac8e78d3de696a56b6b92","title":"Isolation: Concurrent Transaction Handling","order":2},{"id":"seed_d0a76772380411e0835fb218ed09dbdc","title":"Durability: Committed Data Survives Failures","order":3},{"id":"seed_942094e2c44ce88c3db7e06b1c3a3362","title":"ACID in Practice","order":4}]},{"id":"seed_54bd62618632090f665e8e539e8f3b75","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 10: Database Fundamentals","sectionOrder":10,"title":"BASE Properties: The Alternative to ACID","order":4,"contentType":"LEARNING","contentSlug":"base-properties","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_076bab19d79da075a8afc95dbac06bf1","title":"Basically Available","order":0},{"id":"seed_7753da03bb0358f46561763bd40f3c51","title":"Soft State","order":1},{"id":"seed_fc857adaaaa61fcf3a6b22418f0d6deb","title":"Eventually Consistent","order":2},{"id":"seed_4351c19636758ecdef9afcda0a13563e","title":"ACID vs BASE Trade-offs","order":3},{"id":"seed_7290ae4c7e8da811eb4591a59c694207","title":"When BASE is Acceptable","order":4}]},{"id":"seed_b2b05c19edc3e40a98d09a0c5a905571","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 10: Database Fundamentals","sectionOrder":10,"title":"Data Modeling Fundamentals","order":5,"contentType":"LEARNING","contentSlug":"data-modeling-fundamentals","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_650379d60fe94adc5b3f518716879589","title":"Entity-Relationship Modeling","order":0},{"id":"seed_b536631a514783ef9f92f1bc78fc3796","title":"Normalization vs Denormalization","order":1},{"id":"seed_72bf00811d36ae822d8b54cddf03dd3f","title":"Access Pattern-Driven Design","order":2},{"id":"seed_144abf204cc0056e20ac393384e5b3c0","title":"Schema Evolution","order":3},{"id":"seed_3e78cc261cc15a43d4dc3260686ce27a","title":"Modeling for Scale","order":4}]},{"id":"seed_f69895f945c782f14fca0ce60d28898a","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 10: Database Fundamentals","sectionOrder":10,"title":"Indexes and Query Performance","order":6,"contentType":"LEARNING","contentSlug":"indexes-and-query-performance","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_3e7a937ad359ff8984445103449c9b6b","title":"What Are Indexes","order":0},{"id":"seed_e8d88f80f654d6d11762501cabaa2380","title":"B-tree Indexes","order":1},{"id":"seed_f4f4917fa4bc879ee1c2417317eff297","title":"Hash Indexes","order":2},{"id":"seed_fa031a04dadd7c7c1dcf1010fcb126d7","title":"Composite Indexes","order":3},{"id":"seed_7259b65713c6ded061a193242900296c","title":"Index Trade-offs","order":4}]},{"id":"seed_07c882b0cf63eb9d5e4b61eab4472732","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Why Database Replication Matters","order":1,"contentType":"LEARNING","contentSlug":"why-replication","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_b8c885977f1677914b8f356c24aaccec","title":"Read Scalability: The Primary Driver of Replication","order":0},{"id":"seed_9e78a32edab97df0a7f3013c193ac755","title":"High Availability: Eliminating Single Points of Failure","order":1},{"id":"seed_e622a28937060e689c342fe677851c49","title":"Geographic Distribution: Serving Users Globally","order":2},{"id":"seed_0cfa517985de9e766ae7f7f7e2b8686a","title":"Disaster Recovery: Surviving the Unthinkable","order":3}]},{"id":"seed_3247f08295b2a0f20f3bbf36b1a0bdc1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Leader-Follower Replication","order":2,"contentType":"LEARNING","contentSlug":"leader-follower-replication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_a2752a518ef5947814e45b91feaefbe0","title":"Single Leader Accepts Writes","order":0},{"id":"seed_2663ff5b16123c39d73a9e75375ad925","title":"Followers Replicate from Leader","order":1},{"id":"seed_3422e9fd5ae1192443c75f9320383dea","title":"Synchronous vs Asynchronous Replication","order":2},{"id":"seed_8bd895c3b493fe47dfeb06591137482c","title":"Failover Handling","order":3},{"id":"seed_943ee9d4dbef89616ce423dd3c27f54b","title":"Replication Lag","order":4}]},{"id":"seed_03d472c4364599ba5bd71bcf645b0b38","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Leaderless Replication","order":3,"contentType":"LEARNING","contentSlug":"leaderless-replication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_4766517dcb824d07c40e921feb773a1c","title":"No Single Leader","order":0},{"id":"seed_07c598ed657b1506e294cee5b8e0b79f","title":"Any Node Accepts Writes","order":1},{"id":"seed_f7c8cbe0220effcaf0f457ee57dcca86","title":"Dynamo-Style Approach","order":2},{"id":"seed_620767742ff1bf930a7e2e22223f3b18","title":"Quorum Reads and Writes","order":3},{"id":"seed_e935e6e118c81b3fb3c70acdf59aff61","title":"Conflict Handling","order":4}]},{"id":"seed_2aa3cb11f23f35c49e0b763ca7de35fa","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Multi-Leader Replication","order":4,"contentType":"LEARNING","contentSlug":"multi-leader-replication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_2af1fbb039817d137b17364b6862e3e8","title":"Multiple Leaders for Writes","order":0},{"id":"seed_465d443fe64145186605b71d482f4fc7","title":"Use Cases: Multi-Datacenter Deployments","order":1},{"id":"seed_e8af84a22be4e909ac6108cb498ba1cb","title":"Conflict Resolution Strategies","order":2},{"id":"seed_b79b79762940d8f5fec0f2c04f0da174","title":"Last-Write-Wins (LWW) Deep Dive","order":3},{"id":"seed_bb3784380561d115d22c48f7495b9483","title":"Custom Conflict Resolution","order":4}]},{"id":"seed_3321ed236605be884459089235602958","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Quorum-Based Replication","order":5,"contentType":"LEARNING","contentSlug":"quorum-based-replication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_61b181053a5ea9b2fdbd78983e5f0576","title":"Read and Write Quorums","order":0},{"id":"seed_e686c2ef5b14ba8a0950ad8ca068d311","title":"N, W, R Parameters","order":1},{"id":"seed_aa16a9b7ad3eaad91f1caf8368b328b3","title":"Tunable Consistency","order":2},{"id":"seed_8881c6fcc4a0592ccf070208ff626141","title":"Sloppy Quorums","order":3},{"id":"seed_a90df0cd3b9c9f311bc372b138298d5b","title":"Hinted Handoff","order":4}]},{"id":"seed_2513533c571c909001339b03ff0c5704","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Sharding and Database Partitioning","order":6,"contentType":"LEARNING","contentSlug":"sharding-partitioning","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_4645d997f23e28c04a67a9bade6b9b90","title":"Why Sharding is Needed","order":0},{"id":"seed_af347e78410929ff7b9f3280b4c1884b","title":"Horizontal Partitioning","order":1},{"id":"seed_20c89ea92bd6cfd9dce2157dd728740f","title":"Range-Based Sharding","order":2},{"id":"seed_1452156846a036dd2907804a2069b44d","title":"Hash-Based Sharding","order":3},{"id":"seed_717d3f5e04cb9fb1f51ac12c493fc5c0","title":"Directory-Based Sharding","order":4},{"id":"seed_97c47b8207ffd398a3a0ff59e45af875","title":"Shard Key Selection","order":5}]},{"id":"seed_7fc2cf8319abd6e3f78bb1c1ecfc662f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Rebalancing and Resharding","order":7,"contentType":"LEARNING","contentSlug":"rebalancing-and-resharding","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_d52d5732ab9828e827941db9a0dbdb13","title":"When Rebalancing Is Needed","order":0},{"id":"seed_1caae81cc269dd97dc27738daea748ed","title":"Strategies for Minimal Disruption","order":1},{"id":"seed_d8ee540dfd5680980d672d2fa9ba7377","title":"Consistent Hashing for Distribution","order":2},{"id":"seed_8eade76e219c73646bd72d5de3616045","title":"Online Resharding Challenges","order":3},{"id":"seed_7e1bc2204c59a4dcfaf4b251fc7cc376","title":"Practical Considerations","order":4}]},{"id":"seed_7652943b24aef3a9c4cce4e5c73b17d9","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Design a Distributed Database (Cassandra / DynamoDB)","order":8,"contentType":"HLD","contentSlug":"design-distributed-database","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_9d53ee976f90c7da0cb369f495eae82b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 11: Database Replication Partitioning","sectionOrder":11,"title":"Design a Multi-Region Active-Active Database","order":9,"contentType":"HLD","contentSlug":"design-multi-region-active-active-db","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_cc38c029ac6bc10b37038f8af3a6545c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 12: Sql Databases Deep Dive","sectionOrder":12,"title":"PostgreSQL: The World's Most Advanced Open Source Database","order":1,"contentType":"LEARNING","contentSlug":"postgresql","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_d4a0827b95f5457dbfc861ea7b1e0501","title":"ACID Compliance and Reliability","order":0},{"id":"seed_1f2ff9101e799a3058ed6eddc1572476","title":"Rich Feature Set","order":1},{"id":"seed_86b4b2b64146f675042027a811a6d72b","title":"Extensions Ecosystem (PostGIS, TimescaleDB)","order":2},{"id":"seed_ab81c574a57b8059facb57912bd980c6","title":"Replication Options","order":3},{"id":"seed_e67655c9ad67a1e83a443acba6e8cda3","title":"When to Choose PostgreSQL","order":4}]},{"id":"seed_d3084e3e11ecb6c7d8c86fb4bc7a2699","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 12: Sql Databases Deep Dive","sectionOrder":12,"title":"MySQL: Architecture, Scaling, and Production Deployment","order":2,"contentType":"LEARNING","contentSlug":"mysql","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_7026c741778ed0d56e024f249ab0f6e5","title":"Storage Engines: InnoDB, MyISAM, and Beyond","order":0},{"id":"seed_fb6445e442c66bcfe6eea486e727675f","title":"Replication and Clustering: High Availability at Scale","order":1},{"id":"seed_be11a035f7061c144d2caf019337ff5c","title":"MySQL vs PostgreSQL: An Architectural Comparison","order":2},{"id":"seed_edd77ac2a83ec74f3d2c51e4856e11de","title":"Cloud Offerings: Aurora MySQL and PlanetScale","order":3},{"id":"seed_5b6acbe5dc20993fb2098a4523ed5f8f","title":"When to Choose MySQL: Decision Frameworks and Best Practices","order":4}]},{"id":"seed_fb09932456f947c06f6ee92782befb28","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 12: Sql Databases Deep Dive","sectionOrder":12,"title":"Query Optimization","order":3,"contentType":"LEARNING","contentSlug":"query-optimization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_da1dc7e38fb06de7559d8cc79aafe56e","title":"Query Execution Plans","order":0},{"id":"seed_173223e750a8cb3de286823a1065b287","title":"EXPLAIN Analysis","order":1},{"id":"seed_1edeb028d6bf0629079ab7e694768c91","title":"Index Optimization","order":2},{"id":"seed_907faee571d673ed47916931b056260b","title":"Query Rewriting","order":3},{"id":"seed_9d4197ff6023b375a709e2eec1d053e6","title":"Common Performance Pitfalls","order":4}]},{"id":"seed_21484056bce30b81e20341597bf8b717","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 12: Sql Databases Deep Dive","sectionOrder":12,"title":"Connection Pooling: Managing Database Connections at Scale","order":4,"contentType":"LEARNING","contentSlug":"hld-connection-pooling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_77f1704c8eb8438f9e8652f7da4c733e","title":"Why Connection Pooling Matters","order":0},{"id":"seed_7210d59084fe4223e79d7f41f4704661","title":"Pool Sizing Strategies","order":1},{"id":"seed_df98d7c22212cbb5255b1e4b5e44f580","title":"Connection Pool Implementations","order":2},{"id":"seed_112f69301e4d6dc444c011d33f45ad3e","title":"PgBouncer, ProxySQL","order":3},{"id":"seed_933710d9ee4354a1a8db173f994e3af1","title":"Application-side Pooling","order":4}]},{"id":"seed_d80b3eb695b786039fed6497f8b4fb04","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 12: Sql Databases Deep Dive","sectionOrder":12,"title":"Read Replicas: Scaling SQL Reads","order":5,"contentType":"LEARNING","contentSlug":"read-replicas","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_605892eef73ca63d7338af1fff041c59","title":"Offloading Read Traffic","order":0},{"id":"seed_e3debe09bbadc5640774d90a9ac3b8f7","title":"Replica Lag Handling","order":1},{"id":"seed_b11f0901d6beefabd8615a0143b448e7","title":"Load Balancing Reads","order":2},{"id":"seed_712f8a9b84639c72c5094ec90c24852f","title":"Consistency Considerations","order":3},{"id":"seed_e01fca4721c9a3369335594e1a753eef","title":"Replica Promotion","order":4}]},{"id":"seed_5adf24600f74c2151a00d96989649143","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 12: Sql Databases Deep Dive","sectionOrder":12,"title":"SQL Database Scaling Patterns","order":6,"contentType":"LEARNING","contentSlug":"sql-database-scaling-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_544d33d20606f7dec87617b3d42420e1","title":"Vertical Scaling Limits","order":0},{"id":"seed_06f00cad7521a8375155afaf37451cac","title":"Read Replica Scaling","order":1},{"id":"seed_9e02e3e4f230cd1beba78287fe213cf8","title":"Functional Partitioning","order":2},{"id":"seed_260730587c230924497ee3e98c5af9f6","title":"Application-Level Sharding","order":3},{"id":"seed_0edf0cc4b159e5a8b7cdfde8232aa097","title":"NewSQL Alternatives","order":4}]},{"id":"seed_9e5d072d22a6d33e716abde30c7fa76d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 13: Nosql Databases Deep Dive","sectionOrder":13,"title":"Key-Value Stores","order":1,"contentType":"LEARNING","contentSlug":"hld-key-value-stores","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_bfdd1618415a5ffd7af01b10ea622fa9","title":"The Key-Value Model","order":0},{"id":"seed_f031a3db297ff2e0a0582a7c135e4efd","title":"Redis: Data Structures and Persistence","order":1},{"id":"seed_d192ab377ca50b8dd05b8687678a46a0","title":"Memcached: Simple and Specialized Caching","order":2},{"id":"seed_6a0f3b5312eb9d32b0f1b72dc8510cd5","title":"DynamoDB and Riak: Distributed Key-Value at Scale","order":3},{"id":"seed_af5242a37f6c745cfca90abdf58ad5a4","title":"Use Cases and Trade-offs","order":4}]},{"id":"seed_8a88f2a743ed567069e5500b43493216","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 13: Nosql Databases Deep Dive","sectionOrder":13,"title":"Document Stores: MongoDB and Document-Oriented Databases","order":2,"contentType":"LEARNING","contentSlug":"nosql-document-stores","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_e1936408ff60a709e5daf2d223c3414c","title":"Document Model: The JSON/BSON Paradigm","order":0},{"id":"seed_0413255e42451fdcd2ee8ab10cbcee5d","title":"MongoDB: Replica Sets and Sharding Architecture","order":1},{"id":"seed_2a89f62a944a55823ebc8239a151f70c","title":"Flexible Schemas: Freedom with Discipline","order":2},{"id":"seed_e74b5d29139b884f7499f01ef7b48145","title":"Querying Documents: From Simple Lookups to Complex Aggregations","order":3},{"id":"seed_45ae654123ac62510e65e7ddbeb85f63","title":"Use Cases and Trade-offs: When Documents Win and When They Don't","order":4}]},{"id":"seed_cef90efd5a3dbacb4deb918a4398e3ce","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 13: Nosql Databases Deep Dive","sectionOrder":13,"title":"Wide-Column Stores: Mastering Column-Family Databases","order":3,"contentType":"LEARNING","contentSlug":"wide-column-stores","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_952979ead7a07bc373acc63750c25e75","title":"The Column-Family Model — Foundations of Wide-Column Architecture","order":0},{"id":"seed_4cc15c1e752492329220f129a2f4c101","title":"Apache Cassandra — Distributed, Eventually Consistent Architecture","order":1},{"id":"seed_4a1d876be1d7eec09979274bcf67cdd0","title":"Apache HBase — The Hadoop Ecosystem Wide-Column Store","order":2},{"id":"seed_dfe7912fb85944d1242c61663c72024b","title":"Write-Optimized Workloads — Leveraging Wide-Column Strengths","order":3},{"id":"seed_92bdd4d84e59a76180baea8ef073e76d","title":"Use Cases and Trade-offs — When to Choose Wide-Column Stores","order":4}]},{"id":"seed_9742b99902877de37c5c7bcad00ed96f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 13: Nosql Databases Deep Dive","sectionOrder":13,"title":"Graph Databases","order":4,"contentType":"LEARNING","contentSlug":"hld-graph-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_6e16acb5cf159a78645addeeedd9c1d5","title":"The Graph Data Model: Nodes, Edges, and Properties","order":0},{"id":"seed_e935b89bfc1118c81dce980915d5b9a3","title":"Neo4j: The Leading Property Graph Database","order":1},{"id":"seed_17cbd932f54253e65f48c281649d5fda","title":"Relationship-Heavy Queries: Traversals, Patterns, and Algorithms","order":2},{"id":"seed_4561f0e89894f8ffbcb0c9698a05aadc","title":"Social Networks and Recommendation Engines","order":3},{"id":"seed_9465177421b8999be9a2882258aa822c","title":"Graph Database Use Cases and Trade-offs","order":4}]},{"id":"seed_eb35904786a38494e3380516908c1012","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 13: Nosql Databases Deep Dive","sectionOrder":13,"title":"Time-Series Databases","order":5,"contentType":"LEARNING","contentSlug":"hld-time-series-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_080c616f303c5c71a568c8f97b14138a","title":"Time-Stamped Data Optimization","order":0},{"id":"seed_e25e008517a8f0fec6b48953c4cf7885","title":"InfluxDB and TimescaleDB","order":1},{"id":"seed_c94c8402a72033b69db521bf8d4f94bc","title":"Metrics and Monitoring Data","order":2},{"id":"seed_0d0dd789e2d1e05af86c3bf9a38003cc","title":"Retention Policies","order":3},{"id":"seed_ce319c51d43b9a36111dc746a75ed4b9","title":"Use Cases and Trade-offs","order":4}]},{"id":"seed_617d4bac22fe293dc261ea9406c9b41f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 13: Nosql Databases Deep Dive","sectionOrder":13,"title":"Choosing the Right NoSQL Database for Your System","order":6,"contentType":"LEARNING","contentSlug":"choosing-the-right-nosql-database","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_b3d1cb9e2f1f2fe83f132b59f88dcad0","title":"Data Model Fit: The Foundation of NoSQL Selection","order":0},{"id":"seed_53ea6fafa4deffe731ac8e2c900afd50","title":"Query Pattern Requirements: Matching Operations to Databases","order":1},{"id":"seed_51f7b450fcff15ecb915dec57297bdf4","title":"Consistency Requirements: Navigating the CAP Trade-offs","order":2},{"id":"seed_36b74792086adaaff76817d50a899281","title":"Scale Requirements: Matching Databases to Growth","order":3},{"id":"seed_cd98000851d2eb8959d796e62ee6e3d7","title":"Decision Framework: Systematic NoSQL Database Selection","order":4}]},{"id":"seed_ee07fdb6a80b08656e2833732d6a72b3","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 13: Nosql Databases Deep Dive","sectionOrder":13,"title":"Design a Key-Value Store","order":7,"contentType":"HLD","contentSlug":"design-key-value-store","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_3d18c9f4eeb97e00ce4fd85a4dd03d0d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 14: Real World Database Architectures","sectionOrder":14,"title":"Google Spanner: The Globally Distributed Database","order":1,"contentType":"LEARNING","contentSlug":"google-spanner","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_97bf105b86af0b9a4a2d44d25b1cd3b3","title":"Global Distribution: The Architecture of Planetary Scale","order":0},{"id":"seed_15c3d3e2560af0bf88effdbb76f68a7f","title":"TrueTime and External Consistency","order":1},{"id":"seed_878528b949423fdc680e23a7602c80dd","title":"Distributed Transactions","order":2},{"id":"seed_41a212b9c2ca849200869cd29e75a959","title":"Automatic Sharding","order":3},{"id":"seed_153049f035997e14de4f8dbe9cb4aad3","title":"When to Use Spanner","order":4}]},{"id":"seed_f82665e050c66abee8b7b707c7da5279","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 14: Real World Database Architectures","sectionOrder":14,"title":"Amazon DynamoDB: AWS's Fully Managed NoSQL Database","order":2,"contentType":"LEARNING","contentSlug":"amazon-dynamodb","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_dff058d7abec0ffa1d99765739be7f26","title":"Managed NoSQL Service","order":0},{"id":"seed_72d4a8f5ab2190a85e1e372123efafed","title":"Partition Key Design","order":1},{"id":"seed_f4b1ab99ce8ceca1098e7844f903e4b0","title":"Global Secondary Indexes","order":2},{"id":"seed_d1a8c39a3d89cf34e48a2dfa2ea20a3e","title":"Eventual vs Strong Consistency","order":3},{"id":"seed_0eb96cfbcda8b4d25c5de2b64cabb766","title":"DynamoDB Streams","order":4},{"id":"seed_f20b7b537186a3b5313af279ef0efe95","title":"When to Use DynamoDB","order":5}]},{"id":"seed_2f3d15d7171f35942166e2b32c40b24a","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 14: Real World Database Architectures","sectionOrder":14,"title":"Apache Cassandra: Masterclass in Distributed NoSQL","order":3,"contentType":"LEARNING","contentSlug":"apache-cassandra","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_b56d92209b6c80dac9167c1db38b91cb","title":"Masterless Architecture","order":0},{"id":"seed_32a83777981facd3268f5680bfe349a4","title":"Gossip Protocol","order":1},{"id":"seed_3eefbb23909f6fd9fa20934dbde41945","title":"Tunable Consistency","order":2},{"id":"seed_a6bbe0b36d455461482938dd84a1ab43","title":"Wide-Column Model","order":3},{"id":"seed_7bacd2b986e0b76292d31d5f98a16bd5","title":"Write-Optimized Performance","order":4},{"id":"seed_dea758ade20868ba5460af7fe88c3875","title":"When to Use Cassandra","order":5}]},{"id":"seed_592c6a76e8734affae860ecb95b96056","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 14: Real World Database Architectures","sectionOrder":14,"title":"CockroachDB: Distributed SQL for the Modern Era","order":4,"contentType":"LEARNING","contentSlug":"cockroachdb","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_644e90250aca845e3cb2486c13deb6fe","title":"Spanner-Inspired Open Source: The Genesis of CockroachDB","order":0},{"id":"seed_f65f4fbd0ffe221ad6057b89981e1a03","title":"Distributed SQL: Query Processing Across a Cluster","order":1},{"id":"seed_d8732ceed1e254e30870474e445fd34a","title":"Serializable Isolation: MVCC and the Transaction Model","order":2},{"id":"seed_d9f6d0023297a1e9477f7846a23cc5a2","title":"Automatic Load Balancing: Ranges, Leaseholders, and Rebalancing","order":3},{"id":"seed_764efecd227316dbd463b570b3d31afd","title":"When to Use CockroachDB: Use Cases, Alternatives, and Decision Framework","order":4}]},{"id":"seed_f44ff7804ce0c2e95e2c706329fa3612","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 14: Real World Database Architectures","sectionOrder":14,"title":"TiDB: The MySQL-Compatible Distributed SQL Database","order":5,"contentType":"LEARNING","contentSlug":"tidb","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_c2047c241d12a54f418fa17f2b36a145","title":"MySQL-Compatible Distributed SQL: The Best of Both Worlds","order":0},{"id":"seed_e116c7207f434d2600f484202227796f","title":"Horizontal Scalability: Scaling Beyond Single-Node Limits","order":1},{"id":"seed_39e1a8190f221c0c8735df3e79b8eac2","title":"Hybrid OLTP/OLAP: Real-Time Analytics on Transactional Data","order":2},{"id":"seed_66be9b1c1c354805624d933b72229b52","title":"When to Use TiDB: Making the Right Choice","order":3}]},{"id":"seed_f3933fee46b128644aeabf1484461e4d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 14: Real World Database Architectures","sectionOrder":14,"title":"FoundationDB: The Database That Powers Cloud Giants","order":6,"contentType":"LEARNING","contentSlug":"foundationdb","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_f69c076c097df76a834a6287ac818039","title":"Ordered Key-Value Store: The Minimalist Foundation for Maximum Power","order":0},{"id":"seed_8fa0a9ef5a39f1cf7aa6ed39380a517a","title":"Strict Serializability: Correctness Without Compromise","order":1},{"id":"seed_974e64566d8893ed0c9dbff3efd255d1","title":"Layer Architecture: Building Any Database on a Single Foundation","order":2},{"id":"seed_675d25eaa5efbd30fc60e877fb058003","title":"Used by Apple and Snowflake: Real-World Deployments at Scale","order":3},{"id":"seed_6054c17b9f0b1dbcc6418b3db507d00b","title":"When to Use FoundationDB: A Decision Framework","order":4}]},{"id":"seed_6cfd1e739671aca68f248ad4cacfea55","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 15: Data Consistency Conflict Resolution","sectionOrder":15,"title":"Consistency Models in Distributed Systems","order":1,"contentType":"LEARNING","contentSlug":"consistency-models-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_bdb3fac82c311bf80ef5255c7198fa0f","title":"Strong Consistency: The Gold Standard of Distributed Correctness","order":0},{"id":"seed_cbf67366bb77c9e1f6157a73c412ec6c","title":"Eventual Consistency: Embracing Availability Over Immediate Correctness","order":1},{"id":"seed_1b67aa18173669a8943ef6c1e7b0df72","title":"Causal Consistency: Preserving the Logic of Cause and Effect","order":2},{"id":"seed_e05a84d43b5be4750d00d997dd10d708","title":"Read-Your-Writes Consistency: The Foundation of User Trust","order":3},{"id":"seed_6313acc3e30f7806940702a19d47426f","title":"Session Consistency: Crafting Coherent User Experiences","order":4}]},{"id":"seed_d2f62d19f014f2428dddacfe8c1573ce","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 15: Data Consistency Conflict Resolution","sectionOrder":15,"title":"Strong Consistency","order":2,"contentType":"LEARNING","contentSlug":"strong-consistency","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_d14af799182407e8050482d5eed4f4ab","title":"Linearizability: The Gold Standard of Consistency","order":0},{"id":"seed_ba9310647c671f5d54c5354fa29acaa5","title":"Implementation Costs of Strong Consistency","order":1},{"id":"seed_4b0d246bcb81a3b35be49e76118c671c","title":"Performance Implications of Strong Consistency","order":2},{"id":"seed_c5d91a8b856839022f02510268aed941","title":"When Strong Consistency Is Required","order":3},{"id":"seed_f4d606622b76f1aacc2bee70f7c8507d","title":"Systems Providing Strong Consistency","order":4}]},{"id":"seed_da2b53b9f6929d7af9b4c1467d5e394d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 15: Data Consistency Conflict Resolution","sectionOrder":15,"title":"Eventual Consistency","order":3,"contentType":"LEARNING","contentSlug":"eventual-consistency","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_43cb4953d2bba5424e74d91c6fedef80","title":"Eventually Consistent Model","order":0},{"id":"seed_7d0ecdf1e98a509f24277ee2592b9a71","title":"Convergence Guarantees","order":1},{"id":"seed_60136c313616421f6ba648fe7f33f8ff","title":"Read/Write Patterns","order":2},{"id":"seed_1d422facae39ecdb9b14e3e95f893f1b","title":"Application-Level Handling","order":3},{"id":"seed_0fc2a474f26ce36beeb0d78e6870d579","title":"When Eventual Consistency Works","order":4}]},{"id":"seed_3ba524f629ebe41b5cb9c8630ab1dced","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 15: Data Consistency Conflict Resolution","sectionOrder":15,"title":"Causal Consistency","order":4,"contentType":"LEARNING","contentSlug":"causal-consistency","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_9a974455b7be3692c7d0e79b289ef83a","title":"Cause-and-Effect Ordering","order":0},{"id":"seed_cce9039d1d3c8d5da77a941ca7a497cc","title":"Session Guarantees","order":1},{"id":"seed_d7819d6b41d5090355baf4e93ca1dd45","title":"Implementation Approaches","order":2},{"id":"seed_d34bc4c9112ea1708a3c05a95653c18e","title":"Trade-offs with Strong Consistency","order":3},{"id":"seed_360f9fcaaca3911e0e5eb3618a4f9d72","title":"Practical Applications","order":4}]},{"id":"seed_cf0bc06c39e914cea5cf91dd544930ea","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 15: Data Consistency Conflict Resolution","sectionOrder":15,"title":"Conflict Resolution Strategies","order":5,"contentType":"LEARNING","contentSlug":"conflict-resolution-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_be3a43e443133ab1bebaafbf22a04062","title":"Write Conflicts in Distributed Systems","order":0},{"id":"seed_4889f118a47c0824bb3f91f5cce1aeb7","title":"Last-Write-Wins (LWW)","order":1},{"id":"seed_3dba2d504d594e0d5315d3f81ba6ea78","title":"Vector Clocks for Causality","order":2},{"id":"seed_ac656b65aac510eafb5b339af2df7eae","title":"Application-Level Merge","order":3},{"id":"seed_789a44bb23f7a03e6ff63d3cfbe9480d","title":"Conflict-free Replicated Data Types (CRDTs)","order":4}]},{"id":"seed_1ede8fc4d119ce321c089f5704a9f2c0","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 15: Data Consistency Conflict Resolution","sectionOrder":15,"title":"CRDTs (Conflict-free Replicated Data Types)","order":6,"contentType":"LEARNING","contentSlug":"crdts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_0a38bba8df4bf5d9bbfe1c0ddefe823b","title":"What are CRDTs","order":0},{"id":"seed_310a3eac4b462cbaaa09b30a589728d8","title":"State-based vs Operation-based CRDTs","order":1},{"id":"seed_bd2a2c0a97ea7b26cf7c8d219a9a74e6","title":"Common CRDT Types (Counters, Sets, Registers, Maps)","order":2},{"id":"seed_7a45a09ecc0fb323b8c811815eaa8e56","title":"CRDT Use Cases in Production Systems","order":3},{"id":"seed_6edef3dd35e74bd5c44ba78eb193185c","title":"CRDT Limitations and Engineering Challenges","order":4}]},{"id":"seed_4e642efeb897915ab701da3a92cbca23","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 16: Distributed Data Patterns","sectionOrder":16,"title":"CQRS Pattern","order":1,"contentType":"LEARNING","contentSlug":"cqrs-pattern","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_fa1129484f6711a80459ccc202c5b602","title":"Command Query Responsibility Segregation - Introduction","order":0},{"id":"seed_d479f50d73ae919d1d2686748c31fc9f","title":"Separate Read and Write Models","order":1},{"id":"seed_988f5e2573515ad44f418853d2fc47bf","title":"When CQRS Helps","order":2},{"id":"seed_c90b5a16dd3bdaa7852ac71ddf8d2191","title":"Implementation Complexity","order":3},{"id":"seed_e538e3f8795404b40c5526b6bacd0c24","title":"CQRS with Event Sourcing","order":4}]},{"id":"seed_66a715a68bf07359b82cd2a1d5631191","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 16: Distributed Data Patterns","sectionOrder":16,"title":"Event Sourcing: Events as the Source of Truth","order":2,"contentType":"LEARNING","contentSlug":"hld-distributed-data-patterns-event-sourcing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_676daed15c3e303a1b592e5001dbe628","title":"Events as Source of Truth","order":0},{"id":"seed_33f157c4836c3b3859cb0f0f8f6a793c","title":"Event Store Design","order":1},{"id":"seed_4279b9668a7c2843adc894f257118df3","title":"Rebuilding State from Events","order":2},{"id":"seed_055b5d8d3e8c3751c10c8f95b235030a","title":"Benefits and Challenges of Event Sourcing","order":3},{"id":"seed_ea863f9e0664757b9839722e719fb18f","title":"When to Use Event Sourcing","order":4}]},{"id":"seed_5f15a9a1fe5cc3aea5494246845b04e4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 16: Distributed Data Patterns","sectionOrder":16,"title":"The Saga Pattern: Managing Distributed Transactions","order":3,"contentType":"LEARNING","contentSlug":"saga-pattern","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_49d372cf41c61bbc1259173a6ca8cd4f","title":"Distributed Transactions Alternative","order":0},{"id":"seed_8ea75d0b48663890ad9658464b552d93","title":"Choreography vs Orchestration","order":1},{"id":"seed_0fba0ae1475995eb2c1cf4f1958de3d5","title":"Compensating Transactions","order":2},{"id":"seed_ee94d16b5b0f8ef26ae3c0cc6516cdec","title":"Failure Handling","order":3},{"id":"seed_1ae8e70e038e49ad3fd935922bfcadae","title":"Saga Implementation","order":4}]},{"id":"seed_5d62f05998476fca9c39c0a7703dcec8","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 16: Distributed Data Patterns","sectionOrder":16,"title":"Outbox Pattern","order":4,"contentType":"LEARNING","contentSlug":"outbox-pattern","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_426a32665d0821c7de673039068e6300","title":"Reliable Event Publishing","order":0},{"id":"seed_7a90f798337fc8c60332f7b0474d1fef","title":"Transactional Outbox","order":1},{"id":"seed_680889e006e7bc7777ef70e3f3645ddb","title":"Polling vs CDC","order":2},{"id":"seed_0bde04a2b76ba2915bd495add2371c0b","title":"Avoiding Dual Writes","order":3},{"id":"seed_7cd8f7bacc046a5bc27b7e814eda18df","title":"Implementation Patterns","order":4}]},{"id":"seed_e10b0694e0c5a2283b4cab25e01f6701","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 16: Distributed Data Patterns","sectionOrder":16,"title":"Change Data Capture (CDC)","order":5,"contentType":"LEARNING","contentSlug":"change-data-capture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_7cffe34c10be1310412cc6fb7e523e05","title":"What is Change Data Capture (CDC)","order":0},{"id":"seed_42b8ca22094ab5d8795939ac2c98124e","title":"Database Log-Based CDC","order":1},{"id":"seed_34387fa705fc0ddca4cd76783a1373af","title":"Debezium and Other CDC Tools","order":2},{"id":"seed_c7695d24739c7b7ddd8eec4ee8a5e0bc","title":"Use Cases: Replication, Cache Sync, and Beyond","order":3},{"id":"seed_6050367262b5242a7c48ad5cd2c916b8","title":"CDC Architecture Patterns","order":4}]},{"id":"seed_49333b8e4023e30d63592021fd33eb8d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 16: Distributed Data Patterns","sectionOrder":16,"title":"Data Synchronization Patterns","order":6,"contentType":"LEARNING","contentSlug":"data-synchronization-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_15e5e3f84e609e4ae326fa647dafe457","title":"Two-Phase Commit (2PC)","order":0},{"id":"seed_21025a5a1fb559630842d1fb5d227091","title":"Three-Phase Commit (3PC)","order":1},{"id":"seed_612776e5a53e9a068c3503dff2de65f8","title":"Consensus-Based Coordination","order":2},{"id":"seed_6c4a2ab2f25cf0c071c809e6b7b29582","title":"Async Replication Patterns","order":3},{"id":"seed_3387d23b8a1944d72d678260bf3e65f3","title":"Choosing Synchronization Approach","order":4}]},{"id":"seed_99507acdeac15912eae253435e7a661b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 16: Distributed Data Patterns","sectionOrder":16,"title":"An unsuccessful credit capture changes account balances","order":7,"contentType":"REPO","contentSlug":"credit-reservations-capture-recovery","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_f0c1618be6b56c460c04d161969cc1af","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 16: Distributed Data Patterns","sectionOrder":16,"title":"Capture reserved credit only once","order":8,"contentType":"CODE_REVIEW","contentSlug":"credit-reservations-review-capture-recovery","description":null,"estimatedMins":35,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_31066d52e7ad1020900d10c4ca0e99ff","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 17: Api Design Fundamentals","sectionOrder":17,"title":"Understanding APIs: The Foundation of Modern System Communication","order":1,"contentType":"LEARNING","contentSlug":"what-is-an-api","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_f8334ee3d0d5333ac4e730d14354ccfc","title":"API as Contract Between Systems","order":0},{"id":"seed_a40f23a6d418fdcaeec05610f387bdc3","title":"Internal vs External APIs","order":1},{"id":"seed_d73b498c4c61e9d67382ae518017a776","title":"API as Product","order":2},{"id":"seed_b63e00b02b190529dc1899385d519af3","title":"API Lifecycle","order":3}]},{"id":"seed_ec461867708496646b18a903e2048e63","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 17: Api Design Fundamentals","sectionOrder":17,"title":"REST API Design","order":2,"contentType":"LEARNING","contentSlug":"rest-api-design","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_c2a03202f78b32405d4d7208fbfc9ecd","title":"REST Principles and Constraints","order":0},{"id":"seed_8c8f41f13681ad439fba66e2fe2afff5","title":"Resource-Based Design","order":1},{"id":"seed_f36c45c3316048b9131807ef36c32913","title":"HTTP Methods Semantics","order":2},{"id":"seed_8a2103dd551f11a8c0e056b28b9c09f1","title":"HTTP Status Codes","order":3},{"id":"seed_321bcd3e46d0af6fb3324b9d7f1984c2","title":"HATEOAS: Hypermedia-Driven APIs","order":4}]},{"id":"seed_51bba1915c62f9964cf673c82623668c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 17: Api Design Fundamentals","sectionOrder":17,"title":"GraphQL: Query-Based API Architecture","order":3,"contentType":"LEARNING","contentSlug":"graphql","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_95094f3c16fc24e9c502d4c19fd8535f","title":"Query-Based API Model","order":0},{"id":"seed_bc1e79b50c76e11054834f2ae8769071","title":"Schema Definition","order":1},{"id":"seed_db026272983e196682d4caf52f1ffc8c","title":"Resolvers and Data Fetching","order":2},{"id":"seed_e9a44373dc1110c0395f2f062b5a23dc","title":"REST vs GraphQL Trade-offs","order":3},{"id":"seed_202780fe1ca0343e0eec810a6cbe08b5","title":"When to Use GraphQL","order":4}]},{"id":"seed_16c5406fde1e833123880385a69de6d9","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 17: Api Design Fundamentals","sectionOrder":17,"title":"gRPC: High-Performance Remote Procedure Calls","order":4,"contentType":"LEARNING","contentSlug":"grpc","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_ae2410a32dc176369aa9bb98672b3bfd","title":"Protocol Buffers: The Foundation of gRPC","order":0},{"id":"seed_8aeae7cd6f189e0c8af73b52513913f3","title":"HTTP/2: The Transport Revolution Enabling gRPC","order":1},{"id":"seed_8a32a861342e80e8e4e9a29f2db1bd68","title":"Streaming Capabilities: Beyond Request-Response","order":2},{"id":"seed_f354869bbcf0b61356b2fef706600e22","title":"REST vs gRPC: A Comprehensive Trade-off Analysis","order":3},{"id":"seed_6e72b78b95b1d4a19e1540b86f94796f","title":"When to Use gRPC: Practical Decision Guidance","order":4}]},{"id":"seed_cef6594d4561a9dc94f760cacaf5d8e0","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 17: Api Design Fundamentals","sectionOrder":17,"title":"API Versioning: Managing Change in Distributed Systems","order":5,"contentType":"LEARNING","contentSlug":"hld-api-versioning","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_8766b52d0a763816c6b894e5a855b1ed","title":"Why Versioning Matters","order":0},{"id":"seed_afa86a3030a812eabae26e853ab22b24","title":"URL Versioning","order":1},{"id":"seed_83b423b6cc0d43cf1b6cf89325d0f30c","title":"Header Versioning","order":2},{"id":"seed_c9d5a1b008d5a99aecf9392f4d4d202f","title":"Breaking vs Non-Breaking Changes","order":3},{"id":"seed_254afce1731b949b6f72cb6bb53d0fc4","title":"Deprecation Strategies","order":4}]},{"id":"seed_f50eae37914ca8f1701a5d1f79057412","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 17: Api Design Fundamentals","sectionOrder":17,"title":"API Documentation","order":6,"contentType":"LEARNING","contentSlug":"hld-api-documentation","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_9cec595588277014299fae591b40a533","title":"OpenAPI/Swagger: The Industry Standard for API Description","order":0},{"id":"seed_255c1a93d2a0a82f3969a0c4de236fc9","title":"Self-Documenting APIs: Design That Speaks for Itself","order":1},{"id":"seed_571972df255897c964fe7980400f0a4b","title":"Documentation Tools: Building Your API Docs Pipeline","order":2},{"id":"seed_b703367e9ef23966ef8150945042b4f2","title":"Developer Experience: Documentation That Developers Love","order":3}]},{"id":"seed_b98cba880f1838b47ecc07be40956841","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 17: Api Design Fundamentals","sectionOrder":17,"title":"Design a Rate Limiter","order":7,"contentType":"HLD","contentSlug":"design-rate-limiter","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_4c68ea537c6a8d4c9f9cf9d4987226f6","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 18: Api Gateway Patterns","sectionOrder":18,"title":"What Is an API Gateway?","order":1,"contentType":"LEARNING","contentSlug":"what-is-an-api-gateway","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_2a2c1c16a2018ebe55de8b7c8c96a409","title":"Gateway as Single Entry Point","order":0},{"id":"seed_b9048e76ed8a5d502c8492a2d2fa390f","title":"Gateway Responsibilities","order":1},{"id":"seed_2e968dff6c636cb8daa491e459889d3e","title":"Gateway Placement","order":2},{"id":"seed_3eeb5e8b90a949d824170cfb7a50d937","title":"Gateway vs Load Balancer","order":3}]},{"id":"seed_c45cdc3aa657015fae3bee2e5b989515","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 18: Api Gateway Patterns","sectionOrder":18,"title":"Routing and Traffic Management","order":2,"contentType":"LEARNING","contentSlug":"routing-and-traffic-management","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_ab924fde703e0ac19a97e0da661ec262","title":"Path-Based Routing","order":0},{"id":"seed_d2025da710d3f07555784b525a1c4718","title":"Header-Based Routing","order":1},{"id":"seed_6a59a94b6bdc3368b6f44499ecbda510","title":"Request Transformation","order":2},{"id":"seed_88ad9b3041a4310d5cce3233564436bc","title":"Traffic Splitting","order":3}]},{"id":"seed_8b691beac9c71a8ebe816b31ec075e22","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 18: Api Gateway Patterns","sectionOrder":18,"title":"Rate Limiting at API Gateway","order":3,"contentType":"LEARNING","contentSlug":"rate-limiting-at-gateway","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_d5d917f443751edd3620da238aed32a6","title":"Why Rate Limiting","order":0},{"id":"seed_88584cc99ef44ddfc9720b7938e9dc55","title":"Token Bucket Algorithm","order":1},{"id":"seed_4588ef4da184b85124be06db55dc72a1","title":"Sliding Window Algorithm","order":2},{"id":"seed_1277322bb2e1f402d40cc5db0734d30a","title":"Per-User vs Per-API Limits","order":3},{"id":"seed_3c0a20613c0a721b687ad085d0368d90","title":"Distributed Rate Limiting","order":4}]},{"id":"seed_b239406eaa6715c38939d5094979881d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 18: Api Gateway Patterns","sectionOrder":18,"title":"Authentication at Gateway","order":4,"contentType":"LEARNING","contentSlug":"api-gateway-authentication","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_5e32a34160f58ef679fc83cdc71e0da7","title":"Centralized Authentication","order":0},{"id":"seed_85eca627253113b6f32c2bb1145ae542","title":"OAuth2 / JWT Validation","order":1},{"id":"seed_380592202ab916f63da0690d267852c8","title":"API Keys","order":2},{"id":"seed_b08df26959c8c7330b9e6eda0e0c780f","title":"mTLS for Service-to-Service","order":3}]},{"id":"seed_3206f9a031f413f4d659c42a53dddfaf","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 18: Api Gateway Patterns","sectionOrder":18,"title":"Backend-for-Frontend (BFF) Pattern","order":5,"contentType":"LEARNING","contentSlug":"backend-for-frontend","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_8af62d360be303cd15585ad77627765b","title":"What is BFF Pattern","order":0},{"id":"seed_aa19f5deb9c23433e5388ac9f14e31e9","title":"Mobile vs Web BFFs","order":1},{"id":"seed_cb6fed8ed218d6d401ee2f0d49c0b066","title":"API Aggregation","order":2},{"id":"seed_feaf263be409fee0846fb5db41e0e569","title":"Request Coalescing","order":3},{"id":"seed_98574f8b1b73a293db50f7dd89bc30f5","title":"BFF Trade-offs","order":4}]},{"id":"seed_f28e03428a90cb3726f6a6fe33a32a81","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 18: Api Gateway Patterns","sectionOrder":18,"title":"API Gateway Solutions","order":6,"contentType":"LEARNING","contentSlug":"api-gateway-solutions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_b906b83aabad8cd3634555f5a7f627bb","title":"Kong Gateway: Plugin-Based, Open Source","order":0},{"id":"seed_c5f9fd81546278e1841f5ab0160cfa67","title":"AWS API Gateway: Serverless Integration","order":1},{"id":"seed_3595ef3e3b112484ebf4ce5554a7032f","title":"Ambassador (Emissary-Ingress): Kubernetes-Native","order":2},{"id":"seed_437f32e1d6da0a8f0afd0292a6a645e6","title":"Envoy: Service Proxy","order":3},{"id":"seed_d0ed19e518149764da36f1d65fddf35d","title":"Choosing a Gateway","order":4}]},{"id":"seed_807b86e759e2a7d27e435f9e29b78e78","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 18: Api Gateway Patterns","sectionOrder":18,"title":"Design an API Gateway","order":7,"contentType":"HLD","contentSlug":"design-api-gateway","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_a99b898f0d80ab22b96a489aca507b82","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 19: Synchronous Communication","sectionOrder":19,"title":"Request-Response Pattern","order":1,"contentType":"LEARNING","contentSlug":"request-response-pattern","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_6fab9ba6c87fa6d0ad2ad7fffb65a8c5","title":"Synchronous Communication Model","order":0},{"id":"seed_208ef2d4f08b0fe02d3090f5f954424c","title":"HTTP/1.1 vs HTTP/2 vs HTTP/3","order":1},{"id":"seed_6fd384ba976e52c50e9da3a00fbe533c","title":"Request Lifecycle","order":2},{"id":"seed_4a4b3ed5c1293860e3d310377ac3efdf","title":"Connection Management","order":3}]},{"id":"seed_926cc0858cb30865493902c825aa261d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 19: Synchronous Communication","sectionOrder":19,"title":"Service Discovery","order":2,"contentType":"LEARNING","contentSlug":"service-discovery","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_f3462d1095ce225a608afa8a5e81a3e6","title":"Why Service Discovery is Needed","order":0},{"id":"seed_e9bbe666bcb73643717a931695913bf4","title":"DNS-Based Discovery","order":1},{"id":"seed_88c2661323258b7faf83dbc761f7795c","title":"Service Registries","order":2},{"id":"seed_f69196a0f8d67c3ab0620522998f2fe6","title":"Client-Side vs Server-Side Discovery","order":3},{"id":"seed_fce5298571e0ecaa7767cba1c35a88b9","title":"Kubernetes Service Discovery","order":4}]},{"id":"seed_5e9f9acdb6a52bbef95b097b80b583c9","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 19: Synchronous Communication","sectionOrder":19,"title":"Circuit Breaker Pattern: Building Resilient Distributed Systems","order":3,"contentType":"LEARNING","contentSlug":"hld-synchronous-communication-circuit-breaker-pattern","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_78fcf150dfe66f03da3f585e859c75dd","title":"Preventing Cascade Failures","order":0},{"id":"seed_61b15c1fed4fa1e005886fb56d906a3f","title":"Circuit States: Closed, Open, Half-Open","order":1},{"id":"seed_11284792d26b4a5bf080372d694031d1","title":"Failure Thresholds","order":2},{"id":"seed_29d73ccda58bf7759acc4283af58537c","title":"Hystrix, Resilience4j","order":3},{"id":"seed_b5e16f252702fd0d9f03053775d3df6e","title":"Circuit Breaker with Retries","order":4}]},{"id":"seed_a11e1710f3c3c17047923a9c534b5c10","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 19: Synchronous Communication","sectionOrder":19,"title":"Retry Strategies in Distributed Systems","order":4,"contentType":"LEARNING","contentSlug":"retry-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_8b639bd691836fdd2420013ef5803026","title":"When to Retry","order":0},{"id":"seed_d6df6f4e7ead03b91fec04ff6b4f77fc","title":"Exponential Backoff","order":1},{"id":"seed_311c3e42342cde4a17460987a7170d49","title":"Jitter for Thundering Herd","order":2},{"id":"seed_bbea3ecc1049f81c124bc2229883607e","title":"Retry Budgets","order":3},{"id":"seed_75ee9f0cfc735e1bbe41c5e390c3fb32","title":"Idempotency Requirements","order":4}]},{"id":"seed_ab7b8fdcfdbefead7b38c9160350df5f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 19: Synchronous Communication","sectionOrder":19,"title":"Timeout Patterns in Synchronous Communication","order":5,"contentType":"LEARNING","contentSlug":"timeout-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_e6db5283c0f7e512810b92adace4f3ac","title":"Why Timeouts Are Critical","order":0},{"id":"seed_5005b41b15dc6c0d9cee63cd05075d90","title":"Connection vs Read Timeouts","order":1},{"id":"seed_1bff52abb6f8e314ddb698c6e352b29e","title":"Timeout Propagation","order":2},{"id":"seed_e3d307a799b7db677f51dd17a13763a1","title":"Deadline Propagation","order":3},{"id":"seed_e8b8ee9ee392175f42d5723ff98214dd","title":"Timeout Tuning","order":4}]},{"id":"seed_f13eeb925a7809ada2d2dbb8b7770f94","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 19: Synchronous Communication","sectionOrder":19,"title":"Bulkhead Pattern: Failure Isolation in Distributed Systems","order":6,"contentType":"LEARNING","contentSlug":"hld-synchronous-communication-bulkhead-pattern","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_b58ada588d0b6e83b4e40ca72acf0dd7","title":"Isolating Failures: The Foundation of Resilient Systems","order":0},{"id":"seed_8e15eaa49378b433418b0db7b9864098","title":"Thread Pool Isolation: Compartmentalizing Compute Resources","order":1},{"id":"seed_3ab6cc5d7a5478f6f3a2ec61c82a1871","title":"Semaphore Isolation: Lightweight Concurrency Control","order":2},{"id":"seed_be7a9b78cabdbb5905369442a2f70745","title":"Bulkhead Sizing: Capacity Planning for Resilience","order":3},{"id":"seed_689570b0b0cc7b96df2444a66e076f0e","title":"Combining Bulkhead with Circuit Breaker: Defense in Depth","order":4}]},{"id":"seed_9193315712ca096083a3ac93a7f9aba5","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 20: Asynchronous Communication","sectionOrder":20,"title":"Why Asynchronous Communication?","order":1,"contentType":"LEARNING","contentSlug":"why-asynchronous","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_4b8dea9c9894b82d39c9a5011cdc1779","title":"Decoupling Producers and Consumers","order":0},{"id":"seed_931741ac03dfaad3b517221f9c8b025b","title":"Handling Traffic Spikes","order":1},{"id":"seed_2213d133124961373d891fa365b5c9bd","title":"Improving Resilience","order":2},{"id":"seed_9598c074760395b9008f73d864a8a398","title":"Enabling Event-Driven Architecture","order":3}]},{"id":"seed_55f92f9800ce2301a3bef8582a8a7500","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 20: Asynchronous Communication","sectionOrder":20,"title":"Message Queues","order":2,"contentType":"LEARNING","contentSlug":"hld-message-queues","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.144Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_9c9ce12b196e8d84b30b7d9f062cb63b","title":"Point-to-Point Messaging","order":0},{"id":"seed_25bd3bbe45764431ec127beb59fad3ac","title":"Queue Semantics","order":1},{"id":"seed_c42e54e4ce4b81aee0b8be3bccbe43d6","title":"Message Acknowledgment","order":2},{"id":"seed_e2a677379c7bcb2eadea162198b84cb8","title":"Dead Letter Queues","order":3},{"id":"seed_9f3f88bee2a67d6b3cad78b73f0a9b10","title":"Use Cases","order":4}]},{"id":"seed_96435edd1bc8b90d60580929dea29d19","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 20: Asynchronous Communication","sectionOrder":20,"title":"Publish-Subscribe Pattern","order":3,"contentType":"LEARNING","contentSlug":"publish-subscribe","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_28e115b0c21c3fdf77b98d102681d02c","title":"One-to-Many Messaging","order":0},{"id":"seed_c56a37b20c1c7aa080a0d9fc4c4ab0b9","title":"Topics and Subscriptions","order":1},{"id":"seed_4b0cd892cc54b96a392050e54f6d9309","title":"Fan-Out Patterns","order":2},{"id":"seed_5fdb65b90fc169e8be902cea936d9139","title":"Filtering Messages","order":3},{"id":"seed_d0f601e1c87439c7853e55a91f79bfe9","title":"Use Cases","order":4}]},{"id":"seed_145e531d968e67a4fb565d4c5648b159","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 20: Asynchronous Communication","sectionOrder":20,"title":"Delivery Guarantees","order":4,"contentType":"LEARNING","contentSlug":"delivery-guarantees","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_9caad033f2ed880cc319e64b65f98c5c","title":"At-Most-Once Delivery","order":0},{"id":"seed_3370950029fc9378ef36f689b0d50acc","title":"At-Least-Once Delivery","order":1},{"id":"seed_6d4d44e695bc5392f23adcfdd8a724b5","title":"Exactly-Once Delivery (Challenges)","order":2},{"id":"seed_f64756b078c493aa380ce489f8ccca0a","title":"Idempotent Consumers","order":3},{"id":"seed_99d32987c489fa7209bb414d212d8008","title":"Deduplication Strategies","order":4}]},{"id":"seed_7758111e9c9e3f946c05bdc9366d01c4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 20: Asynchronous Communication","sectionOrder":20,"title":"Message Ordering in Distributed Systems","order":5,"contentType":"LEARNING","contentSlug":"message-ordering","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_1853618b86a89fa109e89f08a470eb3b","title":"Ordering Guarantees","order":0},{"id":"seed_d7588c986da93ac51c181c6ee94746f3","title":"Partition-Based Ordering","order":1},{"id":"seed_bfa4c1ddaacba1b171a7d97d682708dc","title":"Sequence Numbers","order":2},{"id":"seed_91cb892e233d52f31b241f4e0e3406c6","title":"Handling Out-of-Order Messages","order":3},{"id":"seed_77e2d7e18bc284a5d60167d33ee256f8","title":"Trade-offs with Parallelism","order":4}]},{"id":"seed_0a89810b1e0919136623e23d22b2ae09","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 20: Asynchronous Communication","sectionOrder":20,"title":"Messaging Systems Comparison","order":6,"contentType":"LEARNING","contentSlug":"messaging-systems-comparison","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_21dc68cadfa5d29d4a4cedfc8f045bd6","title":"Apache Kafka: High Throughput, Log-Based","order":0},{"id":"seed_216b16654121a295f622b202fa1e9c02","title":"RabbitMQ: Flexible Routing, AMQP","order":1},{"id":"seed_8faf3bfd299e24499668477fc449bbf6","title":"AWS SQS: Managed, Simple","order":2},{"id":"seed_84cb0ba2fabdaa634ec1ebd04ced729d","title":"NATS: Lightweight, Cloud-Native","order":3},{"id":"seed_97334f47673ed2faae85e889f2107e42","title":"Choosing a Messaging System","order":4}]},{"id":"seed_d5cf3cfa59e8a1ef0f9d9e5f196c1455","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 20: Asynchronous Communication","sectionOrder":20,"title":"Design Kafka","order":7,"contentType":"HLD","contentSlug":"design-kafka","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_906be10488c474d1e14c588197109f93","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 20: Asynchronous Communication","sectionOrder":20,"title":"Design a Distributed Task Scheduler","order":8,"contentType":"HLD","contentSlug":"design-distributed-task-scheduler","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_00464eaf8c88cf42951912266788591e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 21: Real Time Systems","sectionOrder":21,"title":"Understanding Real-Time Systems","order":1,"contentType":"LEARNING","contentSlug":"what-is-real-time","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_f7c37d9bda51507c0830ac636c8ddd2f","title":"Real-Time Requirements","order":0},{"id":"seed_ead1f6c7bfd490897b3e6041c7ff1656","title":"Latency Expectations","order":1},{"id":"seed_7097a7fd9ca13c6c616277f2193dfa2d","title":"Soft vs Hard Real-Time","order":2},{"id":"seed_c26cb85f4525d5c87a1f437be9efba03","title":"Real-Time System Use Cases","order":3}]},{"id":"seed_44bfc7d7d92a9596d09a2f22a0f0d0e0","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 21: Real Time Systems","sectionOrder":21,"title":"WebSockets: Real-Time Bidirectional Communication","order":2,"contentType":"LEARNING","contentSlug":"websockets","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_2c444788af758f9f51b26670665f7533","title":"Full-Duplex Communication","order":0},{"id":"seed_a108ad8a8541e61b8b8643cb54a7529c","title":"WebSocket Lifecycle","order":1},{"id":"seed_97823c9b24c6e7865ad2ec817b75bfb2","title":"Scaling WebSocket Connections","order":2},{"id":"seed_569272277ad0441531896c611b35a611","title":"WebSocket vs HTTP","order":3},{"id":"seed_fd7f7cae668e3c2cf8690ba9233cd133","title":"WebSocket Use Cases","order":4}]},{"id":"seed_efb36ab4d81eea9e4a3cb329b63c9d1b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 21: Real Time Systems","sectionOrder":21,"title":"Server-Sent Events (SSE)","order":3,"contentType":"LEARNING","contentSlug":"server-sent-events","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_feb34e8de06ad9f8a1989de6d1f680f0","title":"One-Way Server Push","order":0},{"id":"seed_9dd37695808111c2bc6e68bafcad9db7","title":"SSE vs WebSocket","order":1},{"id":"seed_88d7989626bb81369424904f86b719df","title":"Browser Support","order":2},{"id":"seed_99d9f42213c7cef2fd7e070089b5aabe","title":"Reconnection Handling","order":3},{"id":"seed_54e492f26b232eaa3246c74f7274f5d4","title":"Use Cases","order":4}]},{"id":"seed_1c63304a5b8af90ee0e08976b615f2a6","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 21: Real Time Systems","sectionOrder":21,"title":"Long Polling: The Art of Simulated Real-Time","order":4,"contentType":"LEARNING","contentSlug":"long-polling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_27c066d6ca897c0c384fe41e8f26939a","title":"Simulating Push with Polling","order":0},{"id":"seed_ac92bc681bf2c1e8b8fbc048fcb7de35","title":"Long Polling Mechanics","order":1},{"id":"seed_0256fd7813c142155f9895f271d07245","title":"Timeout Handling","order":2},{"id":"seed_58d4f8100b42abfee8ecc76eccbccb71","title":"Comparison with Other Approaches","order":3},{"id":"seed_58358a6988f56dd0613952b5727564bf","title":"When to Use Long Polling","order":4}]},{"id":"seed_2ed917c0ead1a6757c7bd6224c154f91","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 21: Real Time Systems","sectionOrder":21,"title":"Push Notifications","order":5,"contentType":"LEARNING","contentSlug":"push-notifications","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_ec707e51b87c26ba473e2f19741319c6","title":"Mobile Push Architecture","order":0},{"id":"seed_4778f2e83b754c98e2b4c90ba90a912f","title":"APNs and FCM","order":1},{"id":"seed_8117a28a2bcb8b9aa2a123868b861996","title":"Web Push","order":2},{"id":"seed_87614d2574007f88fdd038074b113462","title":"Notification Delivery","order":3},{"id":"seed_a52afebb5d3d8b6f6511322b486e689b","title":"Batching and Throttling","order":4}]},{"id":"seed_0bb88b7feace95a5eda0d60c68077225","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 21: Real Time Systems","sectionOrder":21,"title":"Real-Time Architecture Patterns","order":6,"contentType":"LEARNING","contentSlug":"real-time-architecture-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_513f388a013bc81d3d42adb7f33368a8","title":"Connection Management at Scale","order":0},{"id":"seed_29fdced14cb62fbb691fda02525a1c11","title":"Presence Systems","order":1},{"id":"seed_62570a456844640d55ae0c309c255de3","title":"Real-Time Collaboration","order":2},{"id":"seed_30f14bcadbc50ff4846b195d543297de","title":"Gaming Applications","order":3},{"id":"seed_577e8ebdfcb18efa862ed77245da977f","title":"Scaling Considerations","order":4}]},{"id":"seed_d240268fbc0eb5f874ba27a69e0e4daf","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 21: Real Time Systems","sectionOrder":21,"title":"Design a Simple Chat Application","order":7,"contentType":"HLD","contentSlug":"design-chat-application","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_d0c0f3a104ec99d9d90ab983ece59c5a","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 22: Object File Storage","sectionOrder":22,"title":"Object Storage Fundamentals","order":1,"contentType":"LEARNING","contentSlug":"object-storage-fundamentals","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_b5f8a6d1c31dd7a21369b2ef14373cb9","title":"Object Storage vs File Storage vs Block Storage","order":0},{"id":"seed_bcbdeaead6822c1d4761a53966e73044","title":"The Object Storage Model","order":1},{"id":"seed_686dd7391bd0155c522b6c81a3c75137","title":"Eventual Consistency Considerations","order":2},{"id":"seed_051bea6b1a5b344febccd4b9a0db65eb","title":"Object Storage Use Cases","order":3}]},{"id":"seed_fdb8fb590247f539e6a7247e2daab7ec","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 22: Object File Storage","sectionOrder":22,"title":"Cloud Object Storage: Architecture and Best Practices","order":2,"contentType":"LEARNING","contentSlug":"cloud-object-storage","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_aa98ad834c519094a4e110e77e430f84","title":"Amazon S3 Architecture","order":0},{"id":"seed_07c0c88df62ac353217c6473eecbed77","title":"Google Cloud Storage","order":1},{"id":"seed_9de7cb800d95b94df45fa46df303ca0a","title":"Azure Blob Storage","order":2},{"id":"seed_ba11f213364dd4e4bd2ac933ac72a144","title":"Storage Classes and Tiering","order":3},{"id":"seed_7a05ec9e0efa7559431ce42ffa19d13a","title":"Cross-Region Replication","order":4}]},{"id":"seed_7df4e36ac8da318c0230ff9eebd33208","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 22: Object File Storage","sectionOrder":22,"title":"Distributed File Systems","order":3,"contentType":"LEARNING","contentSlug":"hld-distributed-file-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_41f4309f88c4c4441916dfd99a767d53","title":"HDFS Architecture","order":0},{"id":"seed_c3354004c4dbf610e54fa3eda076fab2","title":"Ceph: Unified Storage","order":1},{"id":"seed_884b1bd1ac77c9ebc34e273b8fedecbe","title":"GlusterFS","order":2},{"id":"seed_5cdd2cd8274f8aa59379c268cd2e53c7","title":"MinIO: Self-hosted S3","order":3},{"id":"seed_9a389a654732430c5d370fb994f5d4e0","title":"Choosing Distributed Storage","order":4}]},{"id":"seed_8746d2b2f77dd62a53777b8c811a9d09","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 22: Object File Storage","sectionOrder":22,"title":"Hot, Warm, and Cold Storage","order":4,"contentType":"LEARNING","contentSlug":"hot-warm-cold-storage","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_0b2943b0451d0cdd9ca76cf145e90885","title":"Data Access Patterns","order":0},{"id":"seed_23628b678d48beeb111a84bab0484dee","title":"Storage Tier Optimization","order":1},{"id":"seed_a96b99cd584aa5dd5923c6b8939cfaaf","title":"Lifecycle Policies","order":2},{"id":"seed_05b1a40f9634e9a356040eab8c1104d2","title":"Cost Optimization","order":3},{"id":"seed_1a3b4231f0471e829352836ee318d088","title":"Retrieval Time Trade-offs","order":4}]},{"id":"seed_9955ee7edef595a59d9cffef35b67c8b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 22: Object File Storage","sectionOrder":22,"title":"Deduplication and Compression: Optimizing Storage Efficiency at Scale","order":5,"contentType":"LEARNING","contentSlug":"deduplication-compression","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_53f995851225f40b8c86e5bdc16f657c","title":"Data Deduplication Strategies","order":0},{"id":"seed_ed3a298db505c3d0fcfa03cb403fe8c1","title":"Compression Algorithms","order":1},{"id":"seed_d17868419c852f398fad4cb290caba7f","title":"Storage Efficiency","order":2},{"id":"seed_76ca368dc41451a9768e32cabab10dc9","title":"CPU vs Storage Trade-offs","order":3},{"id":"seed_a56a38db745792a543583685c503e8fa","title":"Implementation Considerations","order":4}]},{"id":"seed_b07e6d5f6daf88b1850c40e012e8cac3","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 22: Object File Storage","sectionOrder":22,"title":"Backup and Disaster Recovery","order":6,"contentType":"LEARNING","contentSlug":"backup-disaster-recovery","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_daa4059146db4aa6803500fe129ae1db","title":"Backup Strategies: Full, Incremental, Differential","order":0},{"id":"seed_e44863891649d11aabf1a663e40a75ac","title":"RPO and RTO: The Metrics That Define Recovery","order":1},{"id":"seed_4ab3cb9ad0051273b1f7f17be9644839","title":"Cross-Region Backup: Geographic Data Protection","order":2},{"id":"seed_417f1e0fcbdf2504a5050ab2d469030b","title":"Backup Testing: Validating Your Safety Net","order":3},{"id":"seed_1911b99e9c0bcd794a8e74e2af085cfe","title":"Disaster Recovery Planning: Building Organizational Resilience","order":4}]},{"id":"seed_24ea7aa8f4b5c5e348831237b7cd0c93","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 22: Object File Storage","sectionOrder":22,"title":"Design Google Drive File Storage","order":7,"contentType":"HLD","contentSlug":"design-google-drive","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_e62e425792fc3ab22e352b5b6cc2bc02","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 22: Object File Storage","sectionOrder":22,"title":"Design a Distributed File System (HDFS / GFS)","order":8,"contentType":"HLD","contentSlug":"design-distributed-file-system","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_a3bb4e8958cc532441b762806a46903f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 23: Content Delivery Networks","sectionOrder":23,"title":"What Is a Content Delivery Network?","order":1,"contentType":"LEARNING","contentSlug":"what-is-a-cdn","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_817eda544e0a4b8709b2cd256846c022","title":"CDN Purpose and Benefits","order":0},{"id":"seed_fd22c9021f083e0740bd160445d4b23f","title":"Edge Locations","order":1},{"id":"seed_dc124e411bcce1bca72fec97f1eecbd0","title":"Origin Servers","order":2},{"id":"seed_b42b7d3a04d17845413fad72f527c7b8","title":"CDN Architecture","order":3}]},{"id":"seed_f2b730634bee0d0b41f84d2f57422b04","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 23: Content Delivery Networks","sectionOrder":23,"title":"CDN Caching Mechanics","order":2,"contentType":"LEARNING","contentSlug":"cdn-caching-mechanics","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_931e7a9fbb0b374bc900744286fb98b7","title":"Cache Keys: The Foundation of CDN Caching","order":0},{"id":"seed_624ca91a6edbc4853f97ecad58b06523","title":"TTL Configuration: Mastering Cache Expiration","order":1},{"id":"seed_cefbb41de3ccad3deb05ea2f91683fcf","title":"Cache-Control Headers: The Language of Caching","order":2},{"id":"seed_73e1023e9515f2ec0040fd255e7e5449","title":"Stale-While-Revalidate: Instant Responses, Fresh Content","order":3},{"id":"seed_84ac145a41107be37b3acaf39d962356","title":"Cache Hit Ratio Optimization: The Ultimate CDN Metric","order":4}]},{"id":"seed_e4515323b760be87711996b629e130f2","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 23: Content Delivery Networks","sectionOrder":23,"title":"Cache Invalidation at Scale","order":3,"contentType":"LEARNING","contentSlug":"cache-invalidation-at-scale","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_ff48ef1c8b3f45367d94a70246c2e3b9","title":"Purge Requests: The Foundation of Cache Invalidation","order":0},{"id":"seed_e7a46ee3d9c3f260d36358c2b29027d4","title":"Soft Purge vs Hard Purge: Choosing the Right Invalidation Strategy","order":1},{"id":"seed_faa214e501a72da486ee0db8bf93cdeb","title":"Tag-Based Invalidation: Logical Content Grouping at Scale","order":2},{"id":"seed_36443c8c51a8b0720c544bfa494ecb76","title":"Versioned URLs: Immutable Content, Infinite Caching","order":3},{"id":"seed_a794516006649887ebbc19e24f7adb7e","title":"Invalidation Latency: The Time to Global Freshness","order":4}]},{"id":"seed_ed97d8981e71078f3c864887ab601e17","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 23: Content Delivery Networks","sectionOrder":23,"title":"Origin Shield: Protecting and Optimizing Origin Infrastructure","order":4,"contentType":"LEARNING","contentSlug":"cdn-origin-shield","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_1775c7d5480b0bf7e6da0ef9e0a52018","title":"What is Origin Shield","order":0},{"id":"seed_a256190ead61cbdaaa469c24180e604c","title":"Reducing Origin Load","order":1},{"id":"seed_c10e0d6c9d6143b054826e2e89d86fbd","title":"Shield Placement","order":2},{"id":"seed_76956bc5bd9ae203942eb1bd7d7f26c4","title":"Trade-offs","order":3},{"id":"seed_32f3b9d29853534d86e15ac54fbf4672","title":"Configuration Strategies","order":4}]},{"id":"seed_f222cd18f8a53eae39dd680216d86e2e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 23: Content Delivery Networks","sectionOrder":23,"title":"Dynamic Content Acceleration","order":5,"contentType":"LEARNING","contentSlug":"dynamic-content-acceleration","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_c567b46cc58797c71e298ad45ab3ea01","title":"CDN for Dynamic Content","order":0},{"id":"seed_20ad3fdd7c886e91a3b44c3afa08c491","title":"TCP Optimization","order":1},{"id":"seed_081a11a2694e028ea0be1ec2bfe25981","title":"Connection Reuse","order":2},{"id":"seed_4f0f2737f3a468c89b2884c2dbb921f6","title":"Route Optimization","order":3},{"id":"seed_d06828b9d22050b58a331e67400972d7","title":"Edge Computing","order":4}]},{"id":"seed_d11f16d84c20b173a1816691a56aa8b7","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 23: Content Delivery Networks","sectionOrder":23,"title":"CDN Providers Comparison","order":6,"contentType":"LEARNING","contentSlug":"cdn-providers-comparison","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_5c3a95c4854ac2f7cd57fdf07009e67c","title":"Cloudflare: The Security-Focused CDN Giant","order":0},{"id":"seed_d7c0a5809f7e64804ed70b839ba09dca","title":"Akamai: The Enterprise-Scale Content Delivery Pioneer","order":1},{"id":"seed_b7c7d548a082ece2f64bf0c55f35f88e","title":"AWS CloudFront: Deep AWS Ecosystem Integration","order":2},{"id":"seed_997de42165f09e19a75e828f1c7359f7","title":"Fastly: The Real-Time Purge CDN","order":3},{"id":"seed_417cdb06bc8b572453847b561690d619","title":"Choosing a CDN Provider: Strategic Decision Framework","order":4}]},{"id":"seed_8dbf5aa424e03f9b25d9c0a0fa8a0e2d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 23: Content Delivery Networks","sectionOrder":23,"title":"Design a Content Delivery Network (CDN)","order":7,"contentType":"HLD","contentSlug":"design-cdn","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_6b1ad657da99475f8d91d949bfcff6ea","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 23: Content Delivery Networks","sectionOrder":23,"title":"Design a Global CDN with Edge Computing","order":8,"contentType":"HLD","contentSlug":"design-global-cdn-edge-computing","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_9aa7cd1b9a90750a4a9a70f9aae3c197","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Search Architecture Overview","order":1,"contentType":"LEARNING","contentSlug":"search-architecture-overview","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_93b882cd1307b2ca9e3b0758958be738","title":"Search System Components: The Anatomy of Modern Search","order":0},{"id":"seed_afd9ae21a328a5c817675e187289088f","title":"Indexing vs Querying: The Two Paths of Search","order":1},{"id":"seed_709e898c85483463272e02e8ec3cbc9a","title":"Inverted Indexes: The Heart of Search","order":2},{"id":"seed_ab2de3826c0ede5d213e16e6e35a7d8e","title":"Search vs Database Queries: Choosing the Right Tool","order":3}]},{"id":"seed_e6c4b564329d0b0b9e10a7ce1caa1d0d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Full-Text Search","order":2,"contentType":"LEARNING","contentSlug":"full-text-search","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_864aec3e2c9c5d857a31fa38990aaae0","title":"Tokenization and Analysis: The Foundation of Search","order":0},{"id":"seed_9be856524d51586f6ff31a85d9872e3f","title":"Stemming and Lemmatization: Linguistic Normalization for Search","order":1},{"id":"seed_69dff65c6fa957a56551879d58969156","title":"Stop Words: When Common Words Matter (and When They Don't)","order":2},{"id":"seed_0aab8d12ed323ea41920dec0971f11f6","title":"Language Handling: Building Multilingual Search Systems","order":3},{"id":"seed_93af44cea9dc58786873e432febfcad5","title":"Relevance Scoring: TF-IDF, BM25, and Ranking Search Results","order":4}]},{"id":"seed_dd1aaf08fecb9ab63af9cab04d8fdb7c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Elasticsearch: Distributed Search at Scale","order":3,"contentType":"LEARNING","contentSlug":"elasticsearch","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_8b6cb207e3ab74020dfc0087ca16b7ba","title":"Elasticsearch Architecture: Distributed Search Fundamentals","order":0},{"id":"seed_b8b588a8e23bcdd151e1552fdb788ff4","title":"Shards and Replicas: The Foundation of Distribution and Fault Tolerance","order":1},{"id":"seed_1608a59a36d9e3fb36affb2254dac22f","title":"Mapping and Analysis: From Documents to Searchable Terms","order":2},{"id":"seed_edb2ef81eaed5b2ba54419f635d41c78","title":"Query DSL: The Language of Search","order":3},{"id":"seed_e76ba8017ba51c55c46000ecaba4f86d","title":"Scaling Elasticsearch: From Development to Production","order":4}]},{"id":"seed_2d4fcaf46969cf3177b3dd5e4b80a127","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Search Indexing Strategies","order":4,"contentType":"LEARNING","contentSlug":"search-indexing-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_8f9544b3bebbb5c1bd8872592e66df3b","title":"Real-Time vs Batch Indexing","order":0},{"id":"seed_5e4780ce8fecd4a974bddb87a4b3ca35","title":"Index Updates and Delta Indexing","order":1},{"id":"seed_2751b1655f8bd8dbf2dcbca06fd66a3d","title":"Reindexing Strategies","order":2},{"id":"seed_44dfe6631bd36b352a7322533b4e5b6f","title":"Index Aliases","order":3},{"id":"seed_576b19bc3d53dcf1dee9b1b7a5770348","title":"Blue-Green Indexing","order":4}]},{"id":"seed_664e033904d772e837d7895c475c4dbd","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Search Relevance Tuning","order":5,"contentType":"LEARNING","contentSlug":"search-relevance-tuning","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_ae36e9ffa228094a849c37cd13a58440","title":"Relevance Factors: The Foundation of Search Quality","order":0},{"id":"seed_61ac680f2690a4067f3026a627b82fe2","title":"Boosting Fields and Queries: Controlling Relevance","order":1},{"id":"seed_2cb52b4fcd0284edc36bdab1ec23e761","title":"Personalization: Making Search Personal","order":2},{"id":"seed_b71d6e2241c0314ff3f698928b2f6f9d","title":"A/B Testing Relevance: Measuring What Matters","order":3},{"id":"seed_7a8db7eb0242278bc728338b2bfe8eb8","title":"User Feedback Incorporation: Closing the Loop","order":4}]},{"id":"seed_0e74dc30a3fbc4c48d5aa7f2c1c1a4f1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Typeahead and Autocomplete Systems","order":6,"contentType":"LEARNING","contentSlug":"hld-search-systems-typeahead-autocomplete","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_86308835fd2444bdf76dbed6ef649fc8","title":"Prefix Matching: The Foundation of Typeahead Systems","order":0},{"id":"seed_f995a7b6a2da7de95569036ba487a9a8","title":"Trie Data Structures: The Engine of Autocomplete","order":1},{"id":"seed_38478869e8d2fda3e6ae3ac24266eb51","title":"Fuzzy Matching: Handling User Errors Gracefully","order":2},{"id":"seed_ee7eed560e5565fad620521aceb19f53","title":"Suggestions Ranking: Surfacing the Best Results","order":3},{"id":"seed_ba9ce6a03f94e4b19ca69c0e6570282a","title":"Performance Optimization: Speed at Scale","order":4}]},{"id":"seed_9fd1a262de381c4b7f6f627dca9ca5e5","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Design a Search Autocomplete System","order":7,"contentType":"HLD","contentSlug":"design-search-autocomplete","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_fabd4b6bf66a1d9303c8c88bac593076","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Design Google Search","order":8,"contentType":"HLD","contentSlug":"design-google-search","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_199f6c4b505a8a600da617fb47a80638","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 24: Search Systems","sectionOrder":24,"title":"Design a Web Crawler","order":9,"contentType":"HLD","contentSlug":"design-web-crawler","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_a3f47ea5ce8acca9bbc8ee4e1e95f708","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 25: High Availability","sectionOrder":25,"title":"Understanding High Availability: Building Systems That Stay Online","order":1,"contentType":"LEARNING","contentSlug":"what-is-high-availability","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_ff559306008c9006cf2a6e489cfcccb0","title":"Availability Definition: What It Really Means for Systems to Be Available","order":0},{"id":"seed_7246a133d321b915073ef5731567868e","title":"Measuring Availability: The 'Nines' That Define System Reliability","order":1},{"id":"seed_2ac2794c74e124bcd363c930010e0d97","title":"Availability vs. Reliability: Two Pillars of Dependable Systems","order":2},{"id":"seed_8be3d0b80c92e5f0ad71c9f2bb510c46","title":"The Cost of Downtime: Quantifying the Business Impact of Unavailability","order":3}]},{"id":"seed_bde7cb88d36b6835c247f9ffbb6971f4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 25: High Availability","sectionOrder":25,"title":"Redundancy Patterns: Building Systems That Never Fail","order":2,"contentType":"LEARNING","contentSlug":"redundancy-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_7539e36ac31bb825d7755d9a22a9085a","title":"Active-Passive Redundancy: The Foundation of High Availability","order":0},{"id":"seed_704304d0da0d2633055d1164b4198426","title":"Active-Active Redundancy: Maximum Utilization, Maximum Complexity","order":1},{"id":"seed_6e9843fd8447fcae28c181b0f23d8c4f","title":"N+1 Redundancy: The Science of Capacity Planning for Failure","order":2},{"id":"seed_64b8f97a9fb8dbf4d6d5b71e928aeb1d","title":"Geographic Redundancy: Surviving Regional Disasters","order":3},{"id":"seed_c8896aedd649f2381368fd5085ce38f6","title":"Component Redundancy: Eliminating Single Points of Failure","order":4}]},{"id":"seed_79498547edd07432d5ba243b16311cb1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 25: High Availability","sectionOrder":25,"title":"Failover Strategies: Building Resilient Systems","order":3,"contentType":"LEARNING","contentSlug":"failover-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_95d73b55ed30422458cbd19a1548b3f3","title":"Automatic vs Manual Failover: The Foundational Choice","order":0},{"id":"seed_1cf8fcaea16d9931f775b6e0c4b65c41","title":"Failover Detection: The Art and Science of Knowing When Systems Fail","order":1},{"id":"seed_d64fde1fbe1687f0ff8f85aa5da162e5","title":"Failover Timing: The Critical Balance Between Speed and Safety","order":2},{"id":"seed_4db5e36a782e3bb1982cecb38ce43812","title":"Split-Brain Prevention: Ensuring One Source of Truth","order":3},{"id":"seed_5fb805c5c2e3599a0162f2adb27fdfb3","title":"Failback Procedures: Returning to Normal Operations","order":4}]},{"id":"seed_e185e80d8dbd0f1c1db99d177d3be23e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 25: High Availability","sectionOrder":25,"title":"Multi-Region Architecture: Building Globally Distributed Systems","order":4,"contentType":"LEARNING","contentSlug":"multi-region-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_8b2fc06aec18c6d76d8b998f7331c53c","title":"Why Multi-Region: The Case for Geographic Distribution","order":0},{"id":"seed_58f71b7b98db9592dacca91887aa14f4","title":"Active-Passive Multi-Region: The Disaster Recovery Foundation","order":1},{"id":"seed_73ff8c2fbe963281c8e773e4d9019945","title":"Active-Active Multi-Region: Global Scale with Global Complexity","order":2},{"id":"seed_98599cedb51e8e1dc2b7dcce620c3b50","title":"Data Replication Across Regions: The Lifeblood of Multi-Region Systems","order":3},{"id":"seed_49d49bfb4c1c940f204f661ce87beec8","title":"Traffic Routing: Directing Users to the Right Region","order":4}]},{"id":"seed_a7732dc25f08bd00058f118e4096dea4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 25: High Availability","sectionOrder":25,"title":"Disaster Recovery: Building Resilient Systems That Survive Catastrophe","order":5,"contentType":"LEARNING","contentSlug":"hld-disaster-recovery","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_a16bb2db256d059c5cdbb7b5b69818d1","title":"Disaster Recovery Planning: The Strategic Foundation","order":0},{"id":"seed_162deedf47abdb2ae52e43f73f0b0dbd","title":"RPO and RTO Targets: Quantifying Recovery Requirements","order":1},{"id":"seed_5d743b5805a3a3247072d47aef6ed965","title":"DR Testing: Validating Recovery Capability","order":2},{"id":"seed_c148e9626801f2c04dcc2ef6dec0cf78","title":"Runbook Development: Creating Executable Recovery Procedures","order":3},{"id":"seed_b6dbff1fbbc340d6fada72528205c5f9","title":"DR Automation: From Manual Procedures to Autonomous Recovery","order":4}]},{"id":"seed_2790acdadda0717f78a548d4328de184","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 25: High Availability","sectionOrder":25,"title":"Availability vs Consistency Trade-offs","order":6,"contentType":"LEARNING","contentSlug":"availability-vs-consistency-tradeoffs","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_d2639025048676e5a75815f394237f88","title":"CAP Theorem Revisited","order":0},{"id":"seed_9b67167aa5bcb338f34032bd089682af","title":"Choosing CP vs AP","order":1},{"id":"seed_f7accf34a91631e64a697a6311a625a7","title":"Tuning Consistency for Availability","order":2},{"id":"seed_a2bca1852e30b4d207dbff7cbcf2dd4b","title":"Business Requirements Alignment","order":3},{"id":"seed_89c1146e050e5c1f84aa17960c99a431","title":"Practical Compromises","order":4}]},{"id":"seed_97df47ad2b549081edc6a1a310be98c6","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 26: Fault Tolerance Patterns","sectionOrder":26,"title":"Failure Is Inevitable: Understanding and Embracing System Failures","order":1,"contentType":"LEARNING","contentSlug":"failure-is-inevitable","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_be436acb586b9a7bc61fd727979ce314","title":"Types of Failures: Hardware, Software, Network","order":0},{"id":"seed_8d589a2e2a9043f6e8c9f88482a570b9","title":"Partial Failures in Distributed Systems","order":1},{"id":"seed_d7d843ce9e89c58ea031e6c939ba232d","title":"Designing for Failure","order":2},{"id":"seed_737c4773b466eace985f0cb016ba5bcf","title":"Fail-Safe vs Fail-Fast","order":3}]},{"id":"seed_1e0e17db8fb6e074fc9f8d0fd37b0b14","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 26: Fault Tolerance Patterns","sectionOrder":26,"title":"Timeout and Deadline Patterns","order":2,"contentType":"LEARNING","contentSlug":"timeout-and-deadline-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_bb55a692aa09594d587a90899c3ef230","title":"Setting Appropriate Timeouts","order":0},{"id":"seed_fa2aae829e28fe809e868dbda3af6dd8","title":"Timeout vs Deadline","order":1},{"id":"seed_74b0dc75fd11870ea651834528e86d3e","title":"Deadline Propagation","order":2},{"id":"seed_5da39d8cb9e2d0f9d523e92b189d3d2f","title":"Timeout Impact on Resources","order":3},{"id":"seed_6c616d2c576a5319844ce8d21413bce6","title":"Tuning Strategies","order":4}]},{"id":"seed_a3ce6de304522905459d37ea19b12cd5","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 26: Fault Tolerance Patterns","sectionOrder":26,"title":"Retry with Backoff: Building Resilient Distributed Systems","order":3,"contentType":"LEARNING","contentSlug":"retry-with-backoff","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_304e33af62a6f300219327a4673b6100","title":"When to Retry: The Decision Framework","order":0},{"id":"seed_569a04f1020a2d2159c651d8a2dcba09","title":"Exponential Backoff: Optimal Retry Timing","order":1},{"id":"seed_0045cc328bf4ac0c7c4df462503aa505","title":"Jitter to Prevent Thundering Herd","order":2},{"id":"seed_29c09d873fc8fa0d74d6cc63c7711605","title":"Maximum Retry Attempts: Knowing When to Stop","order":3},{"id":"seed_3f9cd795f8394527ff5971e1de2a8277","title":"Idempotency Requirements: Safe Retries for Write Operations","order":4}]},{"id":"seed_c505ffc389e5bb3287d1f0e6590c05cf","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 26: Fault Tolerance Patterns","sectionOrder":26,"title":"Fallback Patterns","order":4,"contentType":"LEARNING","contentSlug":"fallback-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_71d42ba9db6c56e70fc5b3af9722d6a5","title":"Graceful Degradation","order":0},{"id":"seed_579d80503d899073a47c4fcaaabf9bf9","title":"Default Responses","order":1},{"id":"seed_54abe466f52e4c7e2f23b716b7728509","title":"Cache Fallbacks","order":2},{"id":"seed_6017df6d4bad6fdee0638e95f977d265","title":"Feature Degradation","order":3},{"id":"seed_3ac3c72422650f2f3e00bd50e4f4ac24","title":"User Experience During Failures","order":4}]},{"id":"seed_432d9c67e8302134f9396306ddb2834d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 26: Fault Tolerance Patterns","sectionOrder":26,"title":"Failed notification commits leave a delivered message","order":5,"contentType":"REPO","contentSlug":"notification-post-delivery-recovery","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_e00163a925a270c768a6319b6c075fd1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 26: Fault Tolerance Patterns","sectionOrder":26,"title":"Deliver queued notifications only","order":6,"contentType":"CODE_REVIEW","contentSlug":"notification-post-review-delivery-recovery","description":null,"estimatedMins":35,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_8b496fec5edc023e9c3fc217781d85db","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 27: Monitoring Observability","sectionOrder":27,"title":"The Three Pillars of Observability","order":1,"contentType":"LEARNING","contentSlug":"three-pillars-of-observability","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_b380a9da92982226a40c3465339545c5","title":"Metrics: Numerical Measurements","order":0},{"id":"seed_cc5c66f6d1a6b7aaf32b5a00cfea84d6","title":"Logs: Event Records","order":1},{"id":"seed_08a02313b74520a009fcacad9565bc2b","title":"Traces: Request Paths","order":2},{"id":"seed_f090d66d05303dcb6037201216f42672","title":"How They Complement Each Other","order":3}]},{"id":"seed_37e6e417d56e9124112a728374ec9dd7","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 27: Monitoring Observability","sectionOrder":27,"title":"Metrics Collection","order":2,"contentType":"LEARNING","contentSlug":"metrics-collection","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_6b22dd4b0e41ce3b20d33ec1cc1ad588","title":"Types of Metrics: Counters, Gauges, Histograms","order":0},{"id":"seed_a04c78907c13aa2a5cf0ca263e5637a6","title":"Prometheus Architecture","order":1},{"id":"seed_3c8ce6322bc15bd0b78c7ee17b0beb4f","title":"Metric Naming Conventions","order":2},{"id":"seed_6a6346ba2e91f64a45b2cb56c37e495b","title":"Cardinality Considerations","order":3},{"id":"seed_ec35a7ac3201d70b2ad1faafe8b73cc5","title":"Aggregation and Queries","order":4}]},{"id":"seed_fdb015070cd413b9ee5ab05d375ba0f8","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 27: Monitoring Observability","sectionOrder":27,"title":"Distributed Tracing: Following Requests Across Services","order":3,"contentType":"LEARNING","contentSlug":"distributed-tracing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_dacecdd8d044293e30fb5aa93f8580f8","title":"Why Tracing Matters","order":0},{"id":"seed_19f363851ca4f39165fa43fd595674f8","title":"Trace and Span Concepts","order":1},{"id":"seed_12c2562f687fb5ae3e6cb9d7b65d1e7b","title":"Context Propagation","order":2},{"id":"seed_10e43c4a81ccf0fa0a622e78cd8523f1","title":"Jaeger and Zipkin","order":3},{"id":"seed_a0998ac497012feeb493e0847b96aa99","title":"Sampling Strategies","order":4}]},{"id":"seed_5511ad58c7a6036af80960315bcc516e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 27: Monitoring Observability","sectionOrder":27,"title":"Logging at Scale: Production-Grade Observability","order":4,"contentType":"LEARNING","contentSlug":"logging-at-scale","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_c90c24a78b00b476f3f5e6547004f307","title":"Structured Logging","order":0},{"id":"seed_b3528c76292099e10922bc593f7e2317","title":"Log Levels and When to Use","order":1},{"id":"seed_c1c42adee5d964431128ecb1a249b163","title":"Log Aggregation (ELK, OpenSearch)","order":2},{"id":"seed_a281ba0c063e86763505177b3803ab5e","title":"Log Retention and Cost","order":3},{"id":"seed_4706b6c901f3cdddebb02850bc753605","title":"Correlation IDs","order":4}]},{"id":"seed_ec855f93c19b4317c24380204eb42ecf","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 27: Monitoring Observability","sectionOrder":27,"title":"Alerting Design: Building Effective Alert Systems","order":5,"contentType":"LEARNING","contentSlug":"alerting-design","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_81bb8a24c8cae7e561f4e5656f7441af","title":"What to Alert On","order":0},{"id":"seed_b67e932cf3444dabdf5231f09bc94792","title":"Alert Thresholds","order":1},{"id":"seed_444fcbeffc876f3ac3335bfbc00b5426","title":"Reducing Alert Fatigue","order":2},{"id":"seed_a40fdd5cc2fb535b7902ffe530dab8a8","title":"Escalation Policies","order":3},{"id":"seed_6cefdcac85957e0b2b366abc663a6832","title":"Runbook Integration","order":4}]},{"id":"seed_3eeaa325544a357cea637fb3e5781ff6","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 27: Monitoring Observability","sectionOrder":27,"title":"Dashboards and Visualization: Bringing Observability to Life","order":6,"contentType":"LEARNING","contentSlug":"dashboards-and-visualization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_0dc3b68ceb6a28bebc11861a535be8b7","title":"Dashboard Design Principles","order":0},{"id":"seed_67c43988375c882f12a5cb023477c316","title":"Key Metrics to Display","order":1},{"id":"seed_b97c2ed3bc619ef930f3c7ee2e048183","title":"Service-Level Dashboards","order":2},{"id":"seed_6c0330e9f58c1f9b0445bd20c749c3c2","title":"Executive Dashboards","order":3},{"id":"seed_4757b9b1433b4620d06c16fab6f115b9","title":"Tools and Best Practices","order":4}]},{"id":"seed_36dbd30901f0c5ffb72365c7bda5e55d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 27: Monitoring Observability","sectionOrder":27,"title":"Design a Metrics Monitoring & Alerting System","order":7,"contentType":"HLD","contentSlug":"design-metrics-monitoring-alerting","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_0ec88ad0fe8b6e7d6dd9d5e752af3341","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 27: Monitoring Observability","sectionOrder":27,"title":"Design a Logging & Log Aggregation System","order":8,"contentType":"HLD","contentSlug":"design-logging-log-aggregation","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_597d820d0f5fb5947c636c1487b1cf13","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 28: Slos Slis Incident Management","sectionOrder":28,"title":"SLIs, SLOs, and SLAs","order":1,"contentType":"LEARNING","contentSlug":"slis-slos-and-slas","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_746779c838b20fa0ac7978eef8b90896","title":"SLI: Service Level Indicator","order":0},{"id":"seed_13eb5c1354b0e004584a13c8f9b151fb","title":"SLO: Service Level Objective","order":1},{"id":"seed_cd52b294fb3daf611f9b9e6f706e62b5","title":"SLA: Service Level Agreement","order":2},{"id":"seed_1a2c0243eaabff0bc06dd2f63fa3add3","title":"How SLIs, SLOs, and SLAs Relate","order":3},{"id":"seed_bf4abea3ac0aee90139de6ab78fccbda","title":"Business Alignment","order":4}]},{"id":"seed_c62c7281cd1deae1fe9d458b9a172ba6","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 28: Slos Slis Incident Management","sectionOrder":28,"title":"Choosing Service Level Indicators","order":2,"contentType":"LEARNING","contentSlug":"choosing-slis","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_7df1ccd125d44f718ca1395abd64e822","title":"User-Centric SLIs","order":0},{"id":"seed_15ce5b3851c270985aa28f898f4a5c69","title":"Availability SLIs","order":1},{"id":"seed_684bd00fb6dc833183236a1e5c6d1698","title":"Latency SLIs","order":2},{"id":"seed_70901d7d00f02f1fe07b6a9353f28de9","title":"Error Rate SLIs","order":3},{"id":"seed_f96686f651413891f2c461d270b8d33d","title":"Measuring SLIs Accurately","order":4}]},{"id":"seed_345d072e45e490a6885d61e0a2c8d2ef","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 28: Slos Slis Incident Management","sectionOrder":28,"title":"Setting Service Level Objectives","order":3,"contentType":"LEARNING","contentSlug":"setting-slos","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_c88489ab4117a0e92d95d267ec8c413a","title":"SLO Target Selection","order":0},{"id":"seed_3def2e00d21cfb47062d1f6557293fbf","title":"Error Budgets","order":1},{"id":"seed_755b22cc963d72dd4c46285a170aae87","title":"Burn Rate Alerting","order":2},{"id":"seed_8960dc4ce49554eb6d2f821ec9a9f1fd","title":"SLO-Based Alerting","order":3},{"id":"seed_779fd6e5bee86db1f505e8906b7107f5","title":"Reviewing and Adjusting SLOs","order":4}]},{"id":"seed_a774fc0ac43c6bedd6d7eba89379995a","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 28: Slos Slis Incident Management","sectionOrder":28,"title":"Error Budgets: Quantifying Reliability Investment","order":4,"contentType":"LEARNING","contentSlug":"error-budgets","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_4f1ded3fb626151301884afc7bd152cd","title":"What is an Error Budget","order":0},{"id":"seed_4100ea80b8125e2059b383e328393791","title":"Error Budget Policies","order":1},{"id":"seed_f53c76842486e4953dddf8a801852c0f","title":"Using Error Budgets for Decisions","order":2},{"id":"seed_b36e1ad2e9b7fb5d0768929130fd2250","title":"Balancing Velocity and Reliability","order":3},{"id":"seed_614465e14bc51c2103d11b4c0f6907cf","title":"Error Budget Exhaustion","order":4}]},{"id":"seed_0abface881e675b212aea27d62fdb42f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 28: Slos Slis Incident Management","sectionOrder":28,"title":"Incident Management","order":5,"contentType":"LEARNING","contentSlug":"incident-management","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_5f22439d11cb705979606acd43e409e0","title":"Incident Detection","order":0},{"id":"seed_27a0b05cf2302719ac75fd06dedd0d3e","title":"Incident Response Process","order":1},{"id":"seed_dc7b147bb3518e293ec47758335b02d5","title":"On-Call Practices","order":2},{"id":"seed_85e58756bff3eab3f40c9ff5dde70d09","title":"Communication During Incidents","order":3},{"id":"seed_88050a0bdd9c4b9689ce1a220c01dbda","title":"Incident Severity Levels","order":4}]},{"id":"seed_11a1b1056f2494cbe5562ae0027c0d79","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 28: Slos Slis Incident Management","sectionOrder":28,"title":"Post-Mortems: Learning from Failure","order":6,"contentType":"LEARNING","contentSlug":"post-mortems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_d993ac57c2194a4d71376b79ca023aeb","title":"Blameless Post-Mortems","order":0},{"id":"seed_53415b042ca4dc61507a744a0a124a1d","title":"Root Cause Analysis","order":1},{"id":"seed_ab8e8d3d28b8dd530ea4f769829b4c0e","title":"Action Items and Follow-up","order":2},{"id":"seed_3a5300d1beb4cbc47274d37594880475","title":"Learning from Failures","order":3},{"id":"seed_7f3b323ee7ceca80fcfc5e5c259eb0b1","title":"Post-Mortem Culture","order":4}]},{"id":"seed_8be0045a4ae423e002b22709888b0a4d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 29: Chaos Engineering","sectionOrder":29,"title":"What Is Chaos Engineering?","order":1,"contentType":"LEARNING","contentSlug":"what-is-chaos-engineering","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_41edec501f5387e1220fe6cb4eba1071","title":"Definition and Principles","order":0},{"id":"seed_2498a41bae945fcb88167ffca22da5ef","title":"Chaos vs Testing","order":1},{"id":"seed_83a4f61418b5897912ee92599ff41f3f","title":"Netflix's Origins","order":2},{"id":"seed_ed4d1b391a5585516794606cf6d34a48","title":"Benefits of Chaos Engineering","order":3}]},{"id":"seed_26aa1f7a200a0daebf6734582fc1799b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 29: Chaos Engineering","sectionOrder":29,"title":"Principles of Chaos Engineering","order":2,"contentType":"LEARNING","contentSlug":"principles-of-chaos","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_fdcf85c47d8c939d7e14b36bbabd0689","title":"Hypothesize About Steady State","order":0},{"id":"seed_a0306025def3071d894a551badda993c","title":"Vary Real-World Events","order":1},{"id":"seed_6a8dc4e63b9e0f3fae6ea890d81849bb","title":"Run Experiments in Production","order":2},{"id":"seed_12ea171fad25467750d0196e976d9174","title":"Automate Experiments","order":3},{"id":"seed_9871d29325ddb339821d4cc328e77534","title":"Minimize Blast Radius","order":4}]},{"id":"seed_5e81ad799939b31cdbe2f9c06c550a4b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 29: Chaos Engineering","sectionOrder":29,"title":"Failure Injection","order":3,"contentType":"LEARNING","contentSlug":"failure-injection","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_497f12d616bf379f52e971da8ab77991","title":"Types of Failures to Inject","order":0},{"id":"seed_b8fa6d7179918cb4c9828100050a7943","title":"Network Failures","order":1},{"id":"seed_218c9278aa4fa4135cba8803e2a686ce","title":"Service Failures","order":2},{"id":"seed_822ae0f92a8fd41c8ee220cda7677b2b","title":"Resource Exhaustion","order":3},{"id":"seed_b3c2e865448f96b4ac9c97f3b34f665f","title":"Clock Skew","order":4}]},{"id":"seed_ef91a5e65977226502b40efdea830a6b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 29: Chaos Engineering","sectionOrder":29,"title":"GameDays","order":4,"contentType":"LEARNING","contentSlug":"gamedays","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_4bda295249c0a38badc36bfd92e70f71","title":"What is a GameDay","order":0},{"id":"seed_d2142f97ea1864b22ac5a7931ad7448a","title":"Planning a GameDay","order":1},{"id":"seed_36252de86f0f13fcc6c4346b02aeb26e","title":"Running a GameDay","order":2},{"id":"seed_1a64592c40999cc19f465ceeac205a45","title":"Learning from GameDays","order":3},{"id":"seed_12e8a85946eaf119b8e867bd64b1ba09","title":"GameDay Frequency","order":4}]},{"id":"seed_dac9d1f1d35c17c711fffb6f4f1165ae","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 29: Chaos Engineering","sectionOrder":29,"title":"Chaos Engineering Tools","order":5,"contentType":"LEARNING","contentSlug":"chaos-tools","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_8cf360592435d1b2de8b1d0000bbf58a","title":"Chaos Monkey: The Pioneer That Changed Everything","order":0},{"id":"seed_441331aacd6d9019fef5703741b5be22","title":"Gremlin: Enterprise Chaos Engineering Platform","order":1},{"id":"seed_94323c960f0390e76165a6ad94c79b96","title":"LitmusChaos: Kubernetes-Native Chaos Engineering","order":2},{"id":"seed_52e5b04c9d54d39e55f843f1d6c05d52","title":"Chaos Mesh: Fine-Grained Kubernetes Chaos","order":3},{"id":"seed_216f672fd9049c55b57073613aa3cf54","title":"AWS Fault Injection Simulator: Cloud-Native Chaos","order":4}]},{"id":"seed_b7d113082890fd48f80e52b429bcdd40","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 29: Chaos Engineering","sectionOrder":29,"title":"Building Chaos Culture","order":6,"contentType":"LEARNING","contentSlug":"building-chaos-culture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_141023cd5a35490bdd208ff9936e0f1e","title":"Starting Small","order":0},{"id":"seed_9477e7fdbd1635fe7ff549a9aa536bc6","title":"Executive Buy-in","order":1},{"id":"seed_4a2860cdac08d9282566e7135bef0369","title":"Gradual Expansion","order":2},{"id":"seed_65790fe6bd6d4c5bad7663f4d19abded","title":"Measuring Chaos Program Success","order":3},{"id":"seed_321e62f853d0e8b1d13f23b8b793b831","title":"Continuous Improvement","order":4}]},{"id":"seed_cbcde4f0fd893915387029efd6f32a93","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 30: Security Fundamentals","sectionOrder":30,"title":"Security in System Design","order":1,"contentType":"LEARNING","contentSlug":"security-in-system-design","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_192b21a6189ef8b2c23e4ad2365a97b8","title":"Security as a Requirement","order":0},{"id":"seed_f1e03ba694c3406763650e9748ffe7cb","title":"Defense in Depth","order":1},{"id":"seed_5b0a52982e43337b7a83e8b056479258","title":"Threat Modeling","order":2},{"id":"seed_eaeda179830d2de1450e5b41cc60c996","title":"Security vs Usability","order":3}]},{"id":"seed_2ac29f36c93940ad8a20e8d3d756720a","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 30: Security Fundamentals","sectionOrder":30,"title":"Authentication Patterns in Distributed Systems","order":2,"contentType":"LEARNING","contentSlug":"authentication-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_44e545bcec5fa737e85aead2bb10f5a9","title":"What is Authentication","order":0},{"id":"seed_93426b91aa9517f14ebddf8c6f834aed","title":"Password-Based Authentication","order":1},{"id":"seed_97f82cb3a7bad5dff523b9851d21a184","title":"Multi-Factor Authentication","order":2},{"id":"seed_70b2eaf55a20dc2e15d78eef616cff54","title":"SSO and Federation","order":3},{"id":"seed_b33e33cf2c42689764777a4397de0050","title":"Passwordless Authentication","order":4}]},{"id":"seed_fb9178b951572a3ab6a8e2b543e00206","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 30: Security Fundamentals","sectionOrder":30,"title":"Authorization Patterns","order":3,"contentType":"LEARNING","contentSlug":"authorization-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_388add34f71db1a9e4ed170968977224","title":"What is Authorization","order":0},{"id":"seed_4924cdb119bc93378ef27fd2ae3698e0","title":"Role-Based Access Control (RBAC)","order":1},{"id":"seed_d8c2d32d0ea8708f0781d909fadfba1c","title":"Attribute-Based Access Control (ABAC)","order":2},{"id":"seed_0e076a8363183bd3574bb463191c3340","title":"Policy-Based Authorization","order":3},{"id":"seed_0e93320af6fc594ab94e279623090bbc","title":"Permission Inheritance","order":4}]},{"id":"seed_1d3fce24dd38d3efab278e0c893b2920","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 30: Security Fundamentals","sectionOrder":30,"title":"OAuth2 and OpenID Connect","order":4,"contentType":"LEARNING","contentSlug":"oauth2-and-openid-connect","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_c008d7d4e5908a6c80728d6c76353f13","title":"OAuth2 Flows","order":0},{"id":"seed_44abfece3ae09127ebe8dfc8bbc6c77e","title":"Access Tokens and Refresh Tokens","order":1},{"id":"seed_620620147ccb2ccebbf2a480916f64d2","title":"OpenID Connect for Identity","order":2},{"id":"seed_62fe1a077565da02c5fa5d0035fb9d9c","title":"Token Validation","order":3},{"id":"seed_46234d64fd05b16f8185940e9bfd7929","title":"Common Implementations","order":4}]},{"id":"seed_09ad889a847899d3fb8386ce8cbd9148","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 30: Security Fundamentals","sectionOrder":30,"title":"JWT Tokens","order":5,"contentType":"LEARNING","contentSlug":"jwt-tokens","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_b4def14b2814a19f17dc9a669048f267","title":"JWT Structure","order":0},{"id":"seed_96aac0fe61ec71744cf5c9e5fcca0460","title":"Claims and Validation","order":1},{"id":"seed_7528befee5b2e1e702a4cc0a52c331b6","title":"Token Expiration","order":2},{"id":"seed_b33a7c94a0dcffcfad8cd86226791435","title":"Refresh Token Rotation","order":3},{"id":"seed_4b9925857335122b0a5f74bc9f76d43a","title":"JWT Security Considerations","order":4}]},{"id":"seed_73fd0f5a7cd49b5f7c68bbbb1da85071","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 30: Security Fundamentals","sectionOrder":30,"title":"API Security","order":6,"contentType":"LEARNING","contentSlug":"api-security","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_57fb09f14dd709e2fa93ac5e01361cb6","title":"API Key Management","order":0},{"id":"seed_5ae0d4d4980819edde198cfb3d6b7ea6","title":"HMAC Authentication","order":1},{"id":"seed_b211ad37248ec95b6f93645f6c4de87f","title":"Request Signing","order":2},{"id":"seed_3e2a2afe3c52a622fd2f0e8bf4fccd54","title":"Rate Limiting for Security","order":3},{"id":"seed_077e75c80259dd9a1cc7ac99cf1452db","title":"Input Validation","order":4}]},{"id":"seed_23b6b113905c33d4555424032415ed92","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 30: Security Fundamentals","sectionOrder":30,"title":"Blocked access requests can approve themselves","order":7,"contentType":"REPO","contentSlug":"access-desk-approval-bypass","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_f7044397176f495c087b6d070dada9b9","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 30: Security Fundamentals","sectionOrder":30,"title":"Block denied access requests at activation","order":8,"contentType":"CODE_REVIEW","contentSlug":"access-desk-review-approval-bypass","description":null,"estimatedMins":35,"createdAt":"2026-10-17T16:02:58.773Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[]},{"id":"seed_efb503cf2244e3bf4e6fd69b439ea640","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 31: Security At Scale","sectionOrder":31,"title":"Zero Trust Architecture: Securing Distributed Systems","order":1,"contentType":"LEARNING","contentSlug":"zero-trust-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_5c08a1afdc96d10788c3d6d102d9fcb8","title":"Never Trust, Always Verify","order":0},{"id":"seed_51dbaf41ebc342564ba56094c9963341","title":"Zero Trust Principles","order":1},{"id":"seed_002223c4c3234f36218506734a8b2b38","title":"Micro-Segmentation","order":2},{"id":"seed_957fdfb48bebe2c0594108635fe87219","title":"Identity-Based Access","order":3},{"id":"seed_0fad8573df75711494259e4cf312e7b2","title":"Zero Trust Implementation","order":4}]},{"id":"seed_93fcb11621f237975541f3761cd1bef8","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 31: Security At Scale","sectionOrder":31,"title":"TLS and Encryption in Transit","order":2,"contentType":"LEARNING","contentSlug":"tls-and-encryption-in-transit","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_0c7f53db531895586e3dea7b76150a0a","title":"TLS Fundamentals","order":0},{"id":"seed_258d9154d11c1ba3eab6b63ee4142ac8","title":"TLS Termination Points","order":1},{"id":"seed_489f6bcb00e201e55bcd99142d74ecab","title":"End-to-End Encryption","order":2},{"id":"seed_36653dad2f44b990a2310d6bbd945998","title":"Certificate Management","order":3},{"id":"seed_159f4f7c177c7448c49eab085437e4bd","title":"mTLS for Services","order":4}]},{"id":"seed_f2e26df1bbb76c4ecaad436033ecd722","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 31: Security At Scale","sectionOrder":31,"title":"Encryption at Rest","order":3,"contentType":"LEARNING","contentSlug":"encryption-at-rest","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_41a94405d4b858ed504c3c54d94ecd0b","title":"Why Encrypt at Rest","order":0},{"id":"seed_7a92a9788f485dc9c1f65004521ece9a","title":"Database Encryption","order":1},{"id":"seed_92f62f5c1770cf049082c9de340ca8f4","title":"File System Encryption","order":2},{"id":"seed_f4d67853d5795e982f85dcc5bb5999c8","title":"Key Management","order":3},{"id":"seed_024fbfa0f2bec20103f37e922aafcc3c","title":"Performance Considerations","order":4}]},{"id":"seed_d404760c41fa2474e2b855923aa08e0c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 31: Security At Scale","sectionOrder":31,"title":"Rate Limiting and Throttling","order":4,"contentType":"LEARNING","contentSlug":"rate-limiting-and-throttling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_4160fecf72aa8481b931257581616cbe","title":"Protection Against Abuse","order":0},{"id":"seed_c37080264b95cf7146cf5696e931f475","title":"Rate Limiting Algorithms","order":1},{"id":"seed_69d17212fa7eb2bd9514e7928a3c31f8","title":"Distributed Rate Limiting","order":2},{"id":"seed_ecc69a81c9ff96a77f70991b1f5d0f9f","title":"Client Identification","order":3},{"id":"seed_82cd7aa5db300590baf6c48e6d0749d0","title":"Response Handling","order":4}]},{"id":"seed_b8d08bdbb61e95a2c334beed48572b74","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 31: Security At Scale","sectionOrder":31,"title":"DDoS Protection","order":5,"contentType":"LEARNING","contentSlug":"ddos-protection","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_d126f5fe0a379f44649450449801630d","title":"Types of DDoS Attacks","order":0},{"id":"seed_f3fc9985ca898d20f6b1ca2f142c2717","title":"Layer 3/4 Protection","order":1},{"id":"seed_47b7baa4dcd2f50a4e9fbe94d5edbe2c","title":"Layer 7 Protection","order":2},{"id":"seed_24064d21913dcc478e62598432690e7e","title":"WAF Implementation","order":3},{"id":"seed_3608cd2f519c12b7630e980361de2cc3","title":"CDN for DDoS Mitigation","order":4}]},{"id":"seed_f0f4f62732e0e10947db3018f713330f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 31: Security At Scale","sectionOrder":31,"title":"Security Monitoring","order":6,"contentType":"LEARNING","contentSlug":"security-monitoring","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_1bc4ce9154981835435bef895aeac867","title":"Security Event Logging","order":0},{"id":"seed_6e867898d1010ac75fd9bc84214c85b8","title":"Intrusion Detection","order":1},{"id":"seed_b54d04b875430189486073544d6f771a","title":"Anomaly Detection","order":2},{"id":"seed_c04b3d2d7e95e3fec6fe99d850df3325","title":"Security Incident Response","order":3},{"id":"seed_e320b11a309757ba84e89fe5884a73fc","title":"Compliance Auditing","order":4}]},{"id":"seed_11186b97983c54b96fcb811f040300f6","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 32: Secrets Compliance","sectionOrder":32,"title":"Secrets Management","order":1,"contentType":"LEARNING","contentSlug":"hld-secrets-management","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_4a20ade25daff1dfaa31f8dc6d90e16d","title":"What Are Secrets","order":0},{"id":"seed_b8970dce4c65e376004781e4f1948875","title":"Secrets vs Configuration","order":1},{"id":"seed_f161708093d8db6b32dfb72d05c035a9","title":"Secrets Lifecycle","order":2},{"id":"seed_1fa2efcb0b2fde7545b88c12a27f7105","title":"Common Mistakes in Secrets Management","order":3}]},{"id":"seed_0993c158148326a905a879c12dd0e9db","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 32: Secrets Compliance","sectionOrder":32,"title":"Secrets Management Tools","order":2,"contentType":"LEARNING","contentSlug":"secrets-management-tools","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_93abd81018f12d79f95d9976c37c38fe","title":"HashiCorp Vault","order":0},{"id":"seed_d7aa798ae5885755cfdc6d97dcbe1f55","title":"AWS Secrets Manager","order":1},{"id":"seed_f54212649cc3d058b91bcc35eb40f7b1","title":"Azure Key Vault","order":2},{"id":"seed_d72126df010109225b9c1c20fb3caf48","title":"Kubernetes Secrets","order":3},{"id":"seed_6c876c63e076cc37a6d655974adf347a","title":"Choosing a Solution","order":4}]},{"id":"seed_0b4374915432eee5c40f3621e62f4435","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 32: Secrets Compliance","sectionOrder":32,"title":"Key Management","order":3,"contentType":"LEARNING","contentSlug":"key-management","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_b563b707731f1780ce1f2d1bd4ac5e63","title":"Encryption Key Lifecycle","order":0},{"id":"seed_c097dcb1b9684a6c62ca266bbe96ed0c","title":"Key Rotation","order":1},{"id":"seed_646dca95db86d920b50df8d9bf412144","title":"KMS Services (AWS KMS, GCP KMS)","order":2},{"id":"seed_0f035cb0ef2e8e483975e3efb061a301","title":"Hardware Security Modules","order":3},{"id":"seed_950611c97b19dec04d6efba25c24b638","title":"Key Hierarchy","order":4}]},{"id":"seed_6d61c655d452e63836c90b3efab65e02","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 32: Secrets Compliance","sectionOrder":32,"title":"Data Protection","order":4,"contentType":"LEARNING","contentSlug":"data-protection","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_81fa02387fb763c8e9c66d66247b083c","title":"Data Classification","order":0},{"id":"seed_c54470de5791f4808f5a3b03f878061e","title":"PII Handling","order":1},{"id":"seed_c78a1746e0513336fc052da615cb8835","title":"Data Masking and Tokenization","order":2},{"id":"seed_eb5a55fb97059926a7feea93bcf1b6db","title":"Data Retention Policies","order":3},{"id":"seed_9368d57f1961d60b985e629d090b8ade","title":"Secure Data Deletion","order":4}]},{"id":"seed_d88e4338d5cb325d0bcd292ee4660487","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 32: Secrets Compliance","sectionOrder":32,"title":"Compliance Frameworks","order":5,"contentType":"LEARNING","contentSlug":"compliance-frameworks","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_2656a39e7d8e22e6e863bb999e8137ff","title":"GDPR Requirements","order":0},{"id":"seed_febb1be4f6f2bc8b1ba8824f6bf41a74","title":"HIPAA Requirements","order":1},{"id":"seed_8cb7be665cb0dcc59da4098012d3f329","title":"SOC 2 Compliance","order":2},{"id":"seed_dce76d15a51c0a4d2c65e3803d03dd52","title":"PCI DSS for Payments","order":3},{"id":"seed_c8a6ca5f8f86a5a429bc2b3f0199a95d","title":"Compliance Automation","order":4}]},{"id":"seed_f273b9705d934a2e0bb9966e4d42b0f4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 32: Secrets Compliance","sectionOrder":32,"title":"Audit and Logging for Compliance","order":6,"contentType":"LEARNING","contentSlug":"audit-logging-compliance","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_b9f1a24df48144d2ed51db585e54d881","title":"Audit Trail Requirements","order":0},{"id":"seed_a251be938c72ffa0ec42b059bd9bbad5","title":"Immutable Logging","order":1},{"id":"seed_562e2c9be30860c9dc117c4d6698c11e","title":"Log Retention for Compliance","order":2},{"id":"seed_e1f89454569dd11faa4787acab1a54f7","title":"Access Logging","order":3},{"id":"seed_0392da709d2de9b521c834cfc8f3e1d2","title":"Compliance Reporting","order":4}]},{"id":"seed_e930b548536d3ac9111d7a66f79dee1e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 33: Monolith To Microservices","sectionOrder":33,"title":"Understanding Monolithic Architecture","order":1,"contentType":"LEARNING","contentSlug":"monolith-architecture","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_2ef2ac21d77a3e862bf2cd05d35a5600","title":"What is a Monolith","order":0},{"id":"seed_c9b27a5efd6a87c70758255127353706","title":"Monolith Benefits","order":1},{"id":"seed_f18e62481505d9dd2c5afb034810714e","title":"Monolith Challenges at Scale","order":2},{"id":"seed_7fc9e73fb5071cd72c4fb90a8290cd49","title":"When Monolith is Right","order":3}]},{"id":"seed_ef0d9a48a0340fc131a9478db5ad8bc2","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 33: Monolith To Microservices","sectionOrder":33,"title":"Microservices Overview","order":2,"contentType":"LEARNING","contentSlug":"microservices-overview","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_3480781cc9f8cf236ece602e492a7d00","title":"What Are Microservices","order":0},{"id":"seed_54501d25150c9c1300afd8d4d8624e3b","title":"Microservices Benefits","order":1},{"id":"seed_f1fa6aef9bc3507dddf18a9b8c8054c4","title":"Microservices Challenges","order":2},{"id":"seed_2f0a057df147169aa67d5da396ba6f3c","title":"When Microservices Make Sense","order":3}]},{"id":"seed_46f4bc0f4a1f4198f6f5c6afca9c09e4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 33: Monolith To Microservices","sectionOrder":33,"title":"Modular Monolith: The Middle Ground","order":3,"contentType":"LEARNING","contentSlug":"modular-monolith","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_2797bed3583c5ff742c972e7c492e749","title":"The Middle Ground","order":0},{"id":"seed_007be4f6c1a882bc0ded18a2ee2b6d76","title":"Module Boundaries","order":1},{"id":"seed_3847bb24c7c0e8d29add704bf014d1b6","title":"Preparing for Extraction","order":2},{"id":"seed_37097891cf7f240cd43c1e15fe1122af","title":"Benefits of Modular Monolith","order":3}]},{"id":"seed_4fbc6d4c101d17c26b2a882e538eb1d7","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 33: Monolith To Microservices","sectionOrder":33,"title":"Strangler Fig Pattern: Gradual Migration from Monolith to Microservices","order":4,"contentType":"LEARNING","contentSlug":"strangler-fig-pattern","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_47edfb9f74ed4a451f0a63f7df300df5","title":"Gradual Migration Strategy","order":0},{"id":"seed_46db8900c204a8817401008a7cf5dcef","title":"Façade for Routing","order":1},{"id":"seed_cefc7a6142f777e107227e99f4bdc984","title":"Extracting Functionality","order":2},{"id":"seed_644bffcf0f4177e55fc9a3b3c0daf53e","title":"Cutover Strategies","order":3},{"id":"seed_2dbce8670345cc5d804525cc61dc0383","title":"Risk Mitigation","order":4}]},{"id":"seed_978aa1d134c62281f545b396f2c557cf","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 33: Monolith To Microservices","sectionOrder":33,"title":"Database Decomposition","order":5,"contentType":"LEARNING","contentSlug":"database-decomposition","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_761cd4272060603b1431e4d71cfc2659","title":"Shared Database Challenges","order":0},{"id":"seed_ad69a7073e90c62c0b10e2f6771f1bb1","title":"Database per Service","order":1},{"id":"seed_2a5013d3e66d2ff3e2e333cb122839b9","title":"Data Migration Strategies","order":2},{"id":"seed_2a1a056466f8de19b9a3397085226018","title":"Handling Joins Across Services","order":3},{"id":"seed_f6d1ba7c5ccfd84a6e78ea6637b0ef80","title":"Eventual Consistency","order":4}]},{"id":"seed_b3eaaf2cc5c89d0109e7fdc620e3df4e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 33: Monolith To Microservices","sectionOrder":33,"title":"Migration Planning","order":6,"contentType":"LEARNING","contentSlug":"migration-planning","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_9b9319719518867ecb1ccbc81b0361a8","title":"Assessment and Prioritization","order":0},{"id":"seed_b7fb1805b13d4dd6ba36e810c04efea6","title":"Team Structure Considerations","order":1},{"id":"seed_d269e22437f3c23fd50d6861d95380c1","title":"Tooling and Infrastructure","order":2},{"id":"seed_86bd188e13b6f6c876d022ba2e82ca1d","title":"Timeline and Milestones","order":3},{"id":"seed_398358b3ff53df06b7095462de15f5b8","title":"Measuring Success","order":4}]},{"id":"seed_3bb9077efdaa245c264c5d5ae459251f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 34: Microservices Architecture","sectionOrder":34,"title":"Service Boundaries","order":1,"contentType":"LEARNING","contentSlug":"service-boundaries","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_1cd458ce71f009ecaf98880045b1b6e9","title":"Defining Service Boundaries","order":0},{"id":"seed_30f3745223236de65ad15cd1b077d784","title":"Domain-Driven Design for Boundaries","order":1},{"id":"seed_5e39e5af2bcd19534297b51292d2b10b","title":"Bounded Contexts","order":2},{"id":"seed_88873fdfd3ae1a5e67616031ed41d766","title":"Service Granularity","order":3},{"id":"seed_20d1eeddc56717765302cf61c84aba16","title":"Avoiding Distributed Monolith","order":4}]},{"id":"seed_d67625b1026479f94014c98e0aa2aa7c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 34: Microservices Architecture","sectionOrder":34,"title":"Inter-Service Communication","order":2,"contentType":"LEARNING","contentSlug":"inter-service-communication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_f4a2b1060dacf321f281d36a64e5bff9","title":"Sync vs Async Communication","order":0},{"id":"seed_d7c8748d12c4470cb952c6e242ef025e","title":"API Contracts","order":1},{"id":"seed_fab6afd22117c6eaecafad05f4c5e127","title":"Protocol Selection","order":2},{"id":"seed_8e884de6445a5e22ee1ad0b7d3a3843f","title":"Error Handling Across Services","order":3},{"id":"seed_30a4b07fa0c226979573aee63f1e938d","title":"Service Versioning","order":4}]},{"id":"seed_3d398c52389a1c9bc8ae2c748f0ec55c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 34: Microservices Architecture","sectionOrder":34,"title":"Data Ownership in Microservices","order":3,"contentType":"LEARNING","contentSlug":"data-ownership","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_aa93fb87ecd184c39628f45697b70b0a","title":"Single Source of Truth","order":0},{"id":"seed_135884e95ef4ccd273cb8515094ca148","title":"Data Duplication Trade-offs","order":1},{"id":"seed_b71817f20ab9a9a6f02f0b98d6d90fe2","title":"Event-Driven Data Sync","order":2},{"id":"seed_2b4dfd0225757dda1756f87e7fa654b6","title":"Query Across Services","order":3},{"id":"seed_1df8b6eed80987c62f9271c49bf26134","title":"Data Consistency Patterns","order":4}]},{"id":"seed_00496eb06e8d4fc1fdfdfefcbf888b77","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 34: Microservices Architecture","sectionOrder":34,"title":"Service Mesh: Network Infrastructure for Microservices","order":4,"contentType":"LEARNING","contentSlug":"service-mesh","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_d68b684d9f8a13fac8b1639891aa6451","title":"What is a Service Mesh","order":0},{"id":"seed_f004e31c20f025698fa1371617e5d559","title":"Istio, Linkerd, Consul Connect","order":1},{"id":"seed_f95a66db2efbf7bff7510b0a6fc71729","title":"Sidecar Proxy Pattern","order":2},{"id":"seed_396774cc7fd652a050e5c04defa520b0","title":"Traffic Management","order":3},{"id":"seed_da70ed845d41c3f3417d6cd0c5b24f37","title":"Observability through Mesh","order":4}]},{"id":"seed_7cbfbac633a37b41f226ef89d7bbf4b7","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 34: Microservices Architecture","sectionOrder":34,"title":"API Gateway in Microservices","order":5,"contentType":"LEARNING","contentSlug":"api-gateway-in-microservices","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_c0e4ebea85f05da9a4889f6d4d131712","title":"Gateway Responsibilities","order":0},{"id":"seed_7890841a381506bc0112f550b9108eb7","title":"Request Routing","order":1},{"id":"seed_0b423fb14686e4179df44b4e1e442ea2","title":"Authentication Aggregation","order":2},{"id":"seed_314427d045905e27b6444d92cafa1cbb","title":"Rate Limiting","order":3},{"id":"seed_e8a4dd38c89f8b0daad6d4de0d151905","title":"Service Composition","order":4}]},{"id":"seed_0758a56afdbcdf93e61fcb54f5518e06","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 34: Microservices Architecture","sectionOrder":34,"title":"Testing Microservices","order":6,"contentType":"LEARNING","contentSlug":"testing-microservices","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_1d8ae8192dbd3268f8ebdced27ed270f","title":"Unit Testing Services","order":0},{"id":"seed_957bb57210445113e4391908dca47205","title":"Integration Testing","order":1},{"id":"seed_aafef82ef2b9f7bfc6e5396e6c859b99","title":"Contract Testing","order":2},{"id":"seed_3aadf3d21e7aa41721a5ae61046dc50b","title":"End-to-End Testing","order":3},{"id":"seed_3e0ac8fb0af6db1848012913fc4c8011","title":"Test Environments","order":4}]},{"id":"seed_555ec4cdf5d81856fd8fcf8e11f01707","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"Event-Driven Fundamentals","order":1,"contentType":"LEARNING","contentSlug":"event-driven-fundamentals","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_be9731ca630aa2f9b07b9971914e353e","title":"What is Event-Driven Architecture","order":0},{"id":"seed_88b622eb9d8c88df5c0b531c4d2513cc","title":"Events vs Commands","order":1},{"id":"seed_dc177f237818cd5d4be1744da1575c2b","title":"Producers and Consumers","order":2},{"id":"seed_67bdc4483abe76584a2a46261cc7820d","title":"Event Schemas","order":3}]},{"id":"seed_80c3162ab7f5b6ffe2cbcc0b8b616fbc","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"CQRS at Scale","order":2,"contentType":"LEARNING","contentSlug":"cqrs-at-scale","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_f617dc38d6bf716d5cc69413e7576288","title":"Command and Query Separation","order":0},{"id":"seed_db34736f47da33cb4638e9aa6de8bb3f","title":"Read Model Optimization","order":1},{"id":"seed_533e4ecb26c5200723b1c144495f4b84","title":"Eventual Consistency","order":2},{"id":"seed_60f26853583fafc029890d60b1c6e1d6","title":"Synchronization Strategies","order":3},{"id":"seed_c7cbd8b4ad53c9ba01c28ec4b54c62d7","title":"When CQRS Helps","order":4}]},{"id":"seed_c092975d500f880f0cd29c04067db711","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"Choreography vs Orchestration: Coordination Patterns in Event-Driven Systems","order":3,"contentType":"LEARNING","contentSlug":"choreography-vs-orchestration","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_a83c99c64052a79c865be077f0f18e6a","title":"Choreography — Decentralized Coordination","order":0},{"id":"seed_eecedeb45c794d6429ad9a8832c8aaba","title":"Orchestration — Centralized Control","order":1},{"id":"seed_b0e05efee9d90b3d1a80b99d25fabafd","title":"Saga Patterns — Distributed Transaction Management","order":2},{"id":"seed_6c00e09607932590d2bff3130957e2b8","title":"Trade-offs and When to Use Each","order":3},{"id":"seed_318a23175954efe36988a3931d9856cd","title":"Hybrid Approaches — Blending Choreography and Orchestration","order":4}]},{"id":"seed_2d801f3c9a6b5f6cb7fd15760c5e6b2a","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"Event Schema Evolution","order":4,"contentType":"LEARNING","contentSlug":"event-schema-evolution","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:29.834Z","pages":[{"id":"seed_b520539b03a6ccbbc888bd94a674e8a9","title":"Schema Versioning","order":0},{"id":"seed_72cba03761843e542410b86199831b28","title":"Backward Compatibility","order":1},{"id":"seed_4abcba098d9b0a121647b41e80c7f2d0","title":"Forward Compatibility","order":2},{"id":"seed_1324a72379485d4b559dde979cf2f14d","title":"Schema Registry","order":3},{"id":"seed_b18176255ac761bfd68c4b57b9f3c48d","title":"Migration Strategies","order":4}]},{"id":"seed_203ff04b61089e49a2fde9c69f2416c3","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"Event-Driven Pitfalls","order":5,"contentType":"LEARNING","contentSlug":"event-driven-pitfalls","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_8832ec9b494b9b269f1a2a4538dd8b98","title":"Debugging Challenges in Event-Driven Architectures","order":0},{"id":"seed_b81c293aa3fc4b1668261dba4920fe4c","title":"Event Ordering Issues in Event-Driven Architectures","order":1},{"id":"seed_a499b4205121fbc7681f771cca9e98de","title":"Duplicate Events in Event-Driven Architectures","order":2},{"id":"seed_8d0b9dd07b271d194a1f90f8211d6b6e","title":"Lost Events in Event-Driven Architectures","order":3},{"id":"seed_7af37330c59a30b7d28809c3479bc37f","title":"Complexity Management in Event-Driven Architectures","order":4}]},{"id":"seed_1b3a615d321c30f7fb5a49e798c836e1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"Design a Stream Processing System (Flink / Spark Streaming)","order":6,"contentType":"HLD","contentSlug":"design-stream-processing","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_a77657faf06640db59b9b4f9e17a4a6d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"Design an Ad Click Aggregation System","order":7,"contentType":"HLD","contentSlug":"design-ad-click-aggregation","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_86bc3c3826d18ab0c38c2ba0702967a6","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"Failed release journals leave a partially published room","order":8,"contentType":"REPO","contentSlug":"release-room-journal-recovery","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_6b09c0aa3995f6e01717bb987e52b515","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 35: Event Driven Architecture","sectionOrder":35,"title":"Isolate the editorial transaction draft","order":9,"contentType":"CODE_REVIEW","contentSlug":"release-room-review-journal-recovery","description":null,"estimatedMins":35,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_45008433d3104e7c187fdc1b9b691504","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 36: Serverless Edge Computing","sectionOrder":36,"title":"Serverless Fundamentals: Rethinking Compute Infrastructure","order":1,"contentType":"LEARNING","contentSlug":"serverless-fundamentals","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_3c0a00c5eccbfd5f5ebbdaf23359ed3a","title":"What is Serverless: Beyond the Name","order":0},{"id":"seed_6ae7a10057210e96afd50105272e879e","title":"Function-as-a-Service: The Heart of Serverless Compute","order":1},{"id":"seed_7f718c5f37400609ea9421c048f93d4f","title":"Backend-as-a-Service: Infrastructure Through APIs","order":2},{"id":"seed_89eab44f1f2f6ba3550536f0b17754b1","title":"Serverless Benefits: Why Organizations Adopt Serverless","order":3},{"id":"seed_bbe50ee9fdcce0da0ccbb7354a061260","title":"Serverless Challenges: The Complete Picture","order":4}]},{"id":"seed_39eca62f088f2ff9d09c752c26e5d261","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 36: Serverless Edge Computing","sectionOrder":36,"title":"Cloud Functions: Mastering Function-as-a-Service","order":2,"contentType":"LEARNING","contentSlug":"cloud-functions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_a0a4204b27df47ac7b2d206761b1d832","title":"AWS Lambda: The Industry Standard for Serverless Compute","order":0},{"id":"seed_92aa1f4b8853819564b101f211e18de9","title":"Azure Functions: Enterprise Serverless with Deep Platform Integration","order":1},{"id":"seed_ed458ff6ee13135655b4a7ca2e7e7898","title":"Google Cloud Functions: Simplicity Meets the Power of Google's Infrastructure","order":2},{"id":"seed_ff72a277f74bcf4aa6c683d34d1bd477","title":"Execution Model: Understanding How Serverless Functions Actually Run","order":3},{"id":"seed_c62a7bf6744feffdf62ffa47cd324920","title":"Cold Starts: Understanding, Measuring, and Mitigating Serverless Latency","order":4}]},{"id":"seed_386d6c39d9c94602d1fa86ab783ab678","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 36: Serverless Edge Computing","sectionOrder":36,"title":"Serverless Patterns","order":3,"contentType":"LEARNING","contentSlug":"serverless-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_6c2ac4a1f9fbfa9c1b4c277e9fdbeb9f","title":"Event-Driven Processing","order":0},{"id":"seed_8492b483fa0cd889f0cda599ce6c7510","title":"API Backends","order":1},{"id":"seed_817be7934b1e983547e44dfb1601ca6a","title":"Scheduled Tasks","order":2},{"id":"seed_6ec43d7bd27d5803385cd73b21a6fad7","title":"Data Processing Pipelines","order":3},{"id":"seed_02b53e8894aea0ec56c50049ce9727ff","title":"Real-Time File Processing","order":4}]},{"id":"seed_9c7e667916bcc106e68ced290ec61ec2","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 36: Serverless Edge Computing","sectionOrder":36,"title":"Serverless Limitations","order":4,"contentType":"LEARNING","contentSlug":"serverless-limitations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_4e9b54037f364c9418b7a1b0439eafb7","title":"Cold Start Latency","order":0},{"id":"seed_52f5664fedc9e9d3e2c96d370a1bae89","title":"Execution Time Limits","order":1},{"id":"seed_87626c6e03bdd6e5463b2d01a3591992","title":"Statelessness Challenges","order":2},{"id":"seed_12f4cbca168290c6aab48bf850717f6e","title":"Vendor Lock-in","order":3},{"id":"seed_e0d162274f394869679a6b36e6e72672","title":"Cost at Scale","order":4}]},{"id":"seed_315b7be1e32f79e1db39e4c585cbef2d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 36: Serverless Edge Computing","sectionOrder":36,"title":"Edge Computing: Processing at the Network Periphery","order":5,"contentType":"LEARNING","contentSlug":"edge-computing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_627ae7b8426f5c5e6c9b7c94559e5ec6","title":"What is Edge Computing","order":0},{"id":"seed_01194105b993e21b57134ed77b3353a2","title":"Edge Functions: Cloudflare Workers, Lambda@Edge, and Beyond","order":1},{"id":"seed_13b63a5d6768656f9df98700c1123826","title":"Edge Use Cases: Where Edge Computing Delivers Maximum Value","order":2},{"id":"seed_7f1080cfe829c05a0e242916c8aea642","title":"Edge vs Origin Processing: Architecting the Hybrid Continuum","order":3},{"id":"seed_b875f75e4ccd285a3fb40ebc3dd51b80","title":"Edge Data Challenges: Navigating Distributed State at the Periphery","order":4}]},{"id":"seed_cbb64ae541b154a2ad7a9bcc19657a39","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 36: Serverless Edge Computing","sectionOrder":36,"title":"When to Use Serverless","order":6,"contentType":"LEARNING","contentSlug":"when-to-use-serverless","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_2ba617a1bdb13ca654093f6e6008d835","title":"Decision Framework for Serverless Adoption","order":0},{"id":"seed_6336e0497e9b3f47f3abd2198cbb8967","title":"Cost Comparison: Understanding Serverless Economics","order":1},{"id":"seed_a88046a4c2de6f3dc0eeb68a4693671c","title":"Operational Considerations for Serverless","order":2},{"id":"seed_2cd218f395a972eef842891b24e7e45f","title":"Hybrid Architectures: Combining Serverless with Traditional Infrastructure","order":3},{"id":"seed_6a27ca51ca95a87bd6c8f7b02744c1bf","title":"Migration Strategies: Transitioning to Serverless","order":4}]},{"id":"seed_bed162d11c46346bbe6a90d2ff4dc187","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 37: Containerization Orchestration","sectionOrder":37,"title":"Container Fundamentals","order":1,"contentType":"LEARNING","contentSlug":"container-fundamentals","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_bc46795ce5fd0a73f10075748bf7882c","title":"What Are Containers","order":0},{"id":"seed_ca6860343938e77b7131c2d5ddb1a124","title":"Docker Basics","order":1},{"id":"seed_08898a3867f777dac9dfbab0a3c32fe4","title":"Container Images","order":2},{"id":"seed_5db9184f3688962e599f7d8402424928","title":"Container Registries","order":3},{"id":"seed_37c8d457ed283f4f852213ac91c537fa","title":"Containers vs VMs","order":4}]},{"id":"seed_f74392ae6c3ec9683c816fe94d6f4ff4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 37: Containerization Orchestration","sectionOrder":37,"title":"Understanding Kubernetes Architecture","order":2,"contentType":"LEARNING","contentSlug":"kubernetes-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_2e37e6d5da6daa2ef0c0e73a6a8d25d2","title":"Kubernetes Components: The Building Blocks of Container Orchestration","order":0},{"id":"seed_fcdeb761c5960532ada1a951da1f8c12","title":"Pods, Deployments, and Services: The Kubernetes Resource Trinity","order":1},{"id":"seed_1a1a356b49ecaf3c65b1154549c3664e","title":"Control Plane and Nodes: The Brain and Body of Kubernetes","order":2},{"id":"seed_40056ab1ca0d42e4d888c3c1392dd4d6","title":"Declarative Configuration: Tell Kubernetes What, Not How","order":3},{"id":"seed_c30accbaad9f5ceb71ddf1b02f814410","title":"Kubernetes Ecosystem: Tools, Extensions, and Best Practices","order":4}]},{"id":"seed_76a729d27e62f68f79b0e81361e0dc65","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 37: Containerization Orchestration","sectionOrder":37,"title":"Kubernetes Workloads: From Deployments to CronJobs","order":3,"contentType":"LEARNING","contentSlug":"kubernetes-workloads","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_4fdef9ec8c66558088aa23d44c320085","title":"Deployments for Stateless Applications","order":0},{"id":"seed_91e3fb798a1fbd726e2328401902dcb6","title":"StatefulSets for Stateful Applications","order":1},{"id":"seed_94c2485eb6c7efd1cceaafb90d276e37","title":"DaemonSets for Node-Level Workloads","order":2},{"id":"seed_02838bc123210d344b1be42cb8306e84","title":"Jobs and CronJobs: Batch and Scheduled Workloads","order":3},{"id":"seed_46022f7aff303b06371b1a4e2aa05419","title":"Choosing the Right Workload Type","order":4}]},{"id":"seed_11324382f2f05466472bf6b89a2e6611","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 37: Containerization Orchestration","sectionOrder":37,"title":"Kubernetes Networking","order":4,"contentType":"LEARNING","contentSlug":"kubernetes-networking","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_eb47d61699164251bc1c36ba8884bc69","title":"Kubernetes Service Types: ClusterIP, NodePort, LoadBalancer","order":0},{"id":"seed_78e6fdb2d5678e49956dec47995414f7","title":"Ingress Controllers: L7 Traffic Management","order":1},{"id":"seed_ca5e110d724bf0eb37165e5d0b70473b","title":"Network Policies: Zero-Trust Pod Security","order":2},{"id":"seed_6152e0c55ab130eed2b17ebfb7bce5a7","title":"DNS in Kubernetes: Service Discovery","order":3},{"id":"seed_7b3a83465013d892edaee4d490b6e71a","title":"Service Mesh Integration","order":4}]},{"id":"seed_95c2e6a99d51038174c06e823bcd0566","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 37: Containerization Orchestration","sectionOrder":37,"title":"Kubernetes Storage","order":5,"contentType":"LEARNING","contentSlug":"kubernetes-storage","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_6c6a06164586857d1a3eff7d8a48837f","title":"Persistent Volumes","order":0},{"id":"seed_82e5074db1c65ebd1b659ec04bda22b8","title":"Storage Classes","order":1},{"id":"seed_14e97243a25bdee58d3c2118742489f5","title":"StatefulSet Storage","order":2},{"id":"seed_3676b5801792865e4d469318e4b4ed6a","title":"Cloud Provider Integration","order":3},{"id":"seed_7323a8a5de5137ae7ca13274c2b6144c","title":"Data Persistence Patterns","order":4}]},{"id":"seed_e2cb888b218a47c35fe5c2018226c1c1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 37: Containerization Orchestration","sectionOrder":37,"title":"Kubernetes Operations","order":6,"contentType":"LEARNING","contentSlug":"kubernetes-operations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_7a5b8e397a5dd5d348adb98ff2ffc00e","title":"Resource Management","order":0},{"id":"seed_da30afe1aff5d4c94d62701b103914b1","title":"Auto-scaling (HPA, VPA)","order":1},{"id":"seed_40c77a8a52007294faec09f486179ef0","title":"Rolling Updates and Rollbacks","order":2},{"id":"seed_050c730747c715af202048dbe8407d04","title":"Monitoring and Logging","order":3},{"id":"seed_c4b0952adbfa43108093febead014056","title":"Security Best Practices","order":4}]},{"id":"seed_113287a2a0e07ada6b43a38ee0eaa94e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 38: Cloud Architecture","sectionOrder":38,"title":"Cloud Computing Models","order":1,"contentType":"LEARNING","contentSlug":"cloud-computing-models","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_e9c56106461bb102a1307e0679ea47c3","title":"IaaS, PaaS, SaaS: The Cloud Service Model Spectrum","order":0},{"id":"seed_0f329ebb8601df9d962d864d5a9b90b1","title":"Managed Services: The Cloud Provider Building Blocks","order":1},{"id":"seed_4e08c4d99a730e4e565efdcdb226e35a","title":"Cloud-Native Design: Principles for Cloud-First Architecture","order":2},{"id":"seed_9354fff28a2491afb96622e36f12afc8","title":"Cloud Provider Comparison: Choosing the Right Platform","order":3}]},{"id":"seed_095c609b5133050d099ba53a7241cc38","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 38: Cloud Architecture","sectionOrder":38,"title":"Cloud Regions and Availability Zones","order":2,"contentType":"LEARNING","contentSlug":"regions-availability-zones","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_90dcfd770511f824a7272183f882ce1e","title":"Region Selection","order":0},{"id":"seed_df719f926344e8b53b31e03d430fe381","title":"Availability Zone Architecture","order":1},{"id":"seed_f19023402a5062c48e008dc33b8dbe22","title":"Multi-AZ Deployments","order":2},{"id":"seed_4b8d34c2eff64d2adc8ee1e854903512","title":"Cross-Region Deployments","order":3},{"id":"seed_9e52f07e6acf2ae5401160361dd4ba79","title":"Latency Considerations","order":4}]},{"id":"seed_01d5fd9b90ff966cdfda77713d42ce9d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 38: Cloud Architecture","sectionOrder":38,"title":"Multi-Cloud Architecture: Strategy, Challenges, and Implementation","order":3,"contentType":"LEARNING","contentSlug":"multi-cloud-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_d341f61385dcc1a35a906dbdcca4b792","title":"Why Multi-Cloud: Strategic Motivations and Business Drivers","order":0},{"id":"seed_035698ee9d84b16e35f6c89028349995","title":"Multi-Cloud Challenges: Technical Realities and Engineering Complexity","order":1},{"id":"seed_27cf3fa7abf9a0d7b401c976a5904587","title":"Abstraction Layers: Patterns for Multi-Cloud Portability","order":2},{"id":"seed_459bb9191edc133d5fd90bc8298559a7","title":"Data Portability: Moving and Synchronizing Data Across Clouds","order":3},{"id":"seed_b17f0370f19babbc8258a14d32dcd7c2","title":"Vendor Lock-in Mitigation: Preserving Strategic Flexibility","order":4}]},{"id":"seed_ab74704972e7e55ae41271550505a27f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 38: Cloud Architecture","sectionOrder":38,"title":"Hybrid Cloud Architecture","order":4,"contentType":"LEARNING","contentSlug":"hybrid-cloud","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_db1137c5d71f1fadbc1a334db673715e","title":"Connecting On-Prem to Cloud","order":0},{"id":"seed_23433cc665c907e7df9f9a35ea10d108","title":"VPN and Direct Connect","order":1},{"id":"seed_90cd19cca466f65828f93e4ef8ffd0c3","title":"Hybrid Data Strategies","order":2},{"id":"seed_861a5d3c672d72428f4604f745f0f50f","title":"Migration Patterns","order":3},{"id":"seed_325f722c206303d8365ea2e9825af403","title":"Hybrid Cloud Use Cases","order":4}]},{"id":"seed_7bc4bcfe999c28392f92f3d4af463a89","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 38: Cloud Architecture","sectionOrder":38,"title":"Cloud Cost Optimization","order":5,"contentType":"LEARNING","contentSlug":"cloud-cost-optimization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_a7b6ba967634fe6a324bf3bdfbcc9105","title":"Cost Allocation","order":0},{"id":"seed_26c7406eddf1b881e1c6da52142ea35f","title":"Reserved vs Spot Instances","order":1},{"id":"seed_46a17c6a2c09495c1c38587eb971c647","title":"Right-Sizing Resources","order":2},{"id":"seed_b0a320e457b269152c1dc2e81acd1d7c","title":"Auto-Scaling for Cost","order":3},{"id":"seed_e286a7df8303fb2de1a6f69f6f09cfe3","title":"Cost Monitoring Tools","order":4}]},{"id":"seed_f4005d98c4e9646982f30656028de764","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 38: Cloud Architecture","sectionOrder":38,"title":"Cloud Security Architecture","order":6,"contentType":"LEARNING","contentSlug":"cloud-security-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_f30319ebf53b03cd6b2d15d1e916620d","title":"Shared Responsibility Model","order":0},{"id":"seed_c607f2742ea337f92fe670e1b9cd0f44","title":"Identity and Access Management","order":1},{"id":"seed_7a7d086909e8dddaa9d86ab8be9b646d","title":"Network Security (VPC, Security Groups)","order":2},{"id":"seed_9059ba95bb39645af5f8f2d580a23b5a","title":"Encryption Services","order":3},{"id":"seed_bcdf86499608f38d4b883dc6951ca9be","title":"Compliance in Cloud","order":4}]},{"id":"seed_4fc3e9dddca868133b41dbf0e04a8af2","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 39: Infrastructure As Code","sectionOrder":39,"title":"What Is Infrastructure as Code?","order":1,"contentType":"LEARNING","contentSlug":"what-is-infrastructure-as-code","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_a35f839889541cd8f1a39ebc02c8c6fb","title":"IaC Definition and Benefits","order":0},{"id":"seed_3abcf6a1a597722bb8dabbdd38c8b078","title":"Declarative vs Imperative","order":1},{"id":"seed_f9979ca6f5db20735c7e558e1fe614d2","title":"Version Control for Infrastructure","order":2},{"id":"seed_2aa0be8646a794c84446a58508c7b000","title":"Reproducibility and Consistency","order":3}]},{"id":"seed_18a488638dd1a9cf52d078d09c2971e9","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 39: Infrastructure As Code","sectionOrder":39,"title":"Terraform: Infrastructure as Code Mastery","order":2,"contentType":"LEARNING","contentSlug":"terraform","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_55570db7529ee0760d4eede3469d608a","title":"Terraform Fundamentals: The Foundation of Modern Infrastructure Management","order":0},{"id":"seed_3895484e6e363f98d9ee0e82b16fa69d","title":"Providers and Resources: Building Infrastructure Block by Block","order":1},{"id":"seed_a98bee97ddd7772d60c39d41f85fc2ff","title":"State Management: The Heart of Terraform","order":2},{"id":"seed_00a316e4a70a732732d775f3e97cbd32","title":"Modules and Reusability: Building Infrastructure Libraries","order":3},{"id":"seed_406e3bb58c835e5f6bb36d7a38f40e9c","title":"Terraform Workflow: Professional Infrastructure Operations","order":4}]},{"id":"seed_3daa2cb535c5d0094389f2dcd991ae9d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 39: Infrastructure As Code","sectionOrder":39,"title":"CI/CD for Infrastructure","order":3,"contentType":"LEARNING","contentSlug":"cicd-for-infrastructure","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_0f8cc21bf93fe03ded8c291a4b63b93b","title":"Infrastructure Pipelines","order":0},{"id":"seed_68146c79b4591bba837badd819b6268c","title":"GitOps Principles","order":1},{"id":"seed_b509412b685769aaf69f91971b423c75","title":"Pull Request Workflows","order":2},{"id":"seed_0d4d25f46e514b980a02d47491d1880d","title":"Automated Testing for IaC","order":3},{"id":"seed_115bab49e454e1558602dc3cabf719e3","title":"Deployment Strategies","order":4}]},{"id":"seed_76a7c0e6d4719de13e273f97114bfff4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 39: Infrastructure As Code","sectionOrder":39,"title":"Deployment Strategies","order":4,"contentType":"LEARNING","contentSlug":"deployment-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_7a2d182bf9740cb9faf9a837a2bd28f9","title":"Rolling Deployments","order":0},{"id":"seed_cd7c3b17ed41044a49f9cecc384ce7b9","title":"Blue-Green Deployments","order":1},{"id":"seed_690abfb75c88a885d356db3a457d5295","title":"Canary Deployments","order":2},{"id":"seed_caf753d85723255f85ea6d308139501e","title":"Feature Flags","order":3},{"id":"seed_7083c7c75f544109c697baed617da9f7","title":"Rollback Strategies","order":4}]},{"id":"seed_0e9d67bf1d39679cc15f25f356bc595f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 39: Infrastructure As Code","sectionOrder":39,"title":"Configuration Management: Infrastructure Automation at Scale","order":5,"contentType":"LEARNING","contentSlug":"hld-configuration-management","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_4411a78ef34f5c756e0a9f04f06c1cfe","title":"Configuration Management Tools: Ansible, Chef, Puppet","order":0},{"id":"seed_4e0c63f12595d9dff35910f6f3efdfd1","title":"Immutable vs Mutable Infrastructure: Paradigms and Trade-offs","order":1},{"id":"seed_3d522ebac517c9766ff9fe939abcf45d","title":"Configuration Drift: Detection, Prevention, and Remediation","order":2},{"id":"seed_24392e0769a0d2b28cff6f097e199eda","title":"Secrets in Configuration: Secure Secrets Management","order":3},{"id":"seed_70023922be90e7f22454b1f598c1e21c","title":"Configuration Management Best Practices","order":4}]},{"id":"seed_8ff9419df31427df4605457726710b30","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 39: Infrastructure As Code","sectionOrder":39,"title":"GitOps: Infrastructure and Application Delivery via Git","order":6,"contentType":"LEARNING","contentSlug":"gitops","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_11c235e9787ac37a51fd6e5e6092cd05","title":"GitOps Principles","order":0},{"id":"seed_9ecb16a12be5057fc82c940f169550e7","title":"ArgoCD and Flux: The Leading GitOps Tools","order":1},{"id":"seed_da77ee8619989192e5ef7f420a461ced","title":"Declarative Cluster State","order":2},{"id":"seed_943d0647ac3c3f888d2c4a9d00628930","title":"Automated Reconciliation","order":3},{"id":"seed_1961c92c9bbfd21fa1570c4538334211","title":"GitOps for Kubernetes","order":4}]},{"id":"seed_cf8324d4edcf4fa370e6b3b351ca2ca0","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 40: System Design Framework","sectionOrder":40,"title":"Understanding the Problem: The Foundation of System Design","order":1,"contentType":"LEARNING","contentSlug":"understanding-the-problem","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_a78aeb970698cf7b2a04dfd7379a1b9f","title":"Reading Requirements Carefully","order":0},{"id":"seed_bdf35ed1af1a5a21df7fc9fd3718fe9b","title":"Identifying Scope and Constraints","order":1},{"id":"seed_1fe1db985b47e00971b6c2b0398de4fe","title":"Clarifying Ambiguities","order":2},{"id":"seed_9e375d7a91f4fadc4b47960ab3e1007d","title":"Implicit vs Explicit Requirements","order":3}]},{"id":"seed_fb3e6b9be77ddd168d4cc66c6314d975","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 40: System Design Framework","sectionOrder":40,"title":"Functional Requirements in System Design","order":2,"contentType":"LEARNING","contentSlug":"functional-requirements","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_402ab1f069e1a98d474b2ba721cd1a56","title":"Core Features Identification","order":0},{"id":"seed_54dd0d68d16b19c446557b1cf652ceb3","title":"User Stories and Use Cases","order":1},{"id":"seed_b04efcbe75cbf42cd37099c9a72efcfb","title":"Feature Prioritization","order":2},{"id":"seed_13913933f3e3cf45bae1b3e8a6fe49e9","title":"MVP Definition","order":3}]},{"id":"seed_8d5346a9cc4ce147ae3596795386d8b1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 40: System Design Framework","sectionOrder":40,"title":"Non-Functional Requirements","order":3,"contentType":"LEARNING","contentSlug":"non-functional-requirements","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_b497d67ff447168d056efc63c4bc3966","title":"Scalability Requirements","order":0},{"id":"seed_350ef646cf7856dcd532264333e42826","title":"Availability Requirements","order":1},{"id":"seed_32226909b32486ee39105bea93761690","title":"Latency Requirements","order":2},{"id":"seed_cf5bdad7c074913907195a2626a057e0","title":"Consistency Requirements","order":3},{"id":"seed_dded6b7e4af44ef0e4340d8d2d2c245f","title":"Security Requirements","order":4}]},{"id":"seed_436a88362a9b45283fbe3137caf3daae","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 40: System Design Framework","sectionOrder":40,"title":"High-Level Design: From Requirements to Architecture","order":4,"contentType":"LEARNING","contentSlug":"high-level-design","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_811097e8f7f27ff09da4a02d03e19fa4","title":"Component Identification: Decomposing Systems into Building Blocks","order":0},{"id":"seed_bf19c34771e5ac930b04ec19bd907fbb","title":"System Architecture Diagram: Visual Blueprints for Complex Systems","order":1},{"id":"seed_94c30122ddd71d1d96ba4afb670c854c","title":"Data Flow Diagrams: Tracing Information Through Systems","order":2},{"id":"seed_0551d4fc838012dd12dc5327392b76ec","title":"API Design: Building Intuitive and Evolvable Interfaces","order":3},{"id":"seed_43254b6d907c31dc197746708bb4324d","title":"Database Selection: Choosing the Right Storage Technologies","order":4}]},{"id":"seed_6699e193e332be0cd3d56ba49ba2fd20","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 40: System Design Framework","sectionOrder":40,"title":"Deep Dive: Refining System Designs","order":5,"contentType":"LEARNING","contentSlug":"deep-dive","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_6f5e578f63a510dbfcf75e25566864f2","title":"Bottleneck Identification","order":0},{"id":"seed_4fdf87f0ded312e47f0f6a6a0e914695","title":"Component Scaling","order":1},{"id":"seed_97ef9d613b83c75e0df328ee2ea67a72","title":"Failure Handling","order":2},{"id":"seed_af3d12b08b8019536aced08f97416db8","title":"Trade-off Discussion","order":3},{"id":"seed_91007b4cf302202b0a979f9eebbcdb7d","title":"Design Refinement","order":4}]},{"id":"seed_0ec3080e51ae9996f5b4e087c576f553","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 40: System Design Framework","sectionOrder":40,"title":"Design Validation","order":6,"contentType":"LEARNING","contentSlug":"design-validation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_c70c4f986560d3b409916c4acb502298","title":"Requirements Verification","order":0},{"id":"seed_79000d1e08acbf4fcb5339e8d8606da1","title":"Bottleneck Analysis","order":1},{"id":"seed_4320be1067c47663a8056402135fa549","title":"Failure Scenario Testing","order":2},{"id":"seed_bc134a440d898510788873fae90d6e2d","title":"Edge Case Handling","order":3},{"id":"seed_97a2fc8e5e8587f1df3afe4ee83b557d","title":"Design Summary","order":4}]},{"id":"seed_444e4e51ac23d8d275594448ee1b1d60","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 41: Interview Strategies","sectionOrder":41,"title":"What Interviewers Look For in System Design Interviews","order":1,"contentType":"LEARNING","contentSlug":"hld-what-interviewers-look-for","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_3d72cf7a7d68c22edc807ef281e577ec","title":"Problem-Solving Ability","order":0},{"id":"seed_c8fe0c38ec2d67dd8845021b00dfe232","title":"System Design Knowledge","order":1},{"id":"seed_63a0b22420abb3827b87051eed8c0c0f","title":"Trade-off Analysis","order":2},{"id":"seed_d0862684b426eab14bcec25ce12aca6f","title":"Communication Skills","order":3},{"id":"seed_e59f41ec48f362dd1e1df72f7c764276","title":"Leadership Signals","order":4}]},{"id":"seed_9e2ee2da27d1b95c8a7f24a43c6ed090","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 41: Interview Strategies","sectionOrder":41,"title":"Time Management in System Design Interviews","order":2,"contentType":"LEARNING","contentSlug":"time-management","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_8c4fbe974ca39aa88560504f09152bf1","title":"Typical Interview Structure (45-60 Minutes)","order":0},{"id":"seed_d58bc05c13f50adcb3f53e4443000ea9","title":"Time Allocation by Phase","order":1},{"id":"seed_038b019e1634c5b9d15eea12773b83b5","title":"When to Move On","order":2},{"id":"seed_0e9b2b6c3fc800c738a6de17e12345f0","title":"Managing Interruptions","order":3}]},{"id":"seed_5b5720d8f77499ae39c24f2dcaeb391a","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 41: Interview Strategies","sectionOrder":41,"title":"Clarifying Requirements in System Design Interviews","order":3,"contentType":"LEARNING","contentSlug":"hld-clarifying-requirements","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_4a6b57801856123e90d3f90b6c683108","title":"Essential Questions to Ask","order":0},{"id":"seed_7d0affe6bf24a418897309dadaf585a6","title":"Scoping the Problem","order":1},{"id":"seed_f333ea40c4f3ecac2d64115dfa8cdb4e","title":"Documenting Assumptions","order":2},{"id":"seed_cb87b7c03efa0fb6a078a4e93012abad","title":"Confirming Understanding","order":3}]},{"id":"seed_30636345efd89a00355615e533213f0d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 41: Interview Strategies","sectionOrder":41,"title":"Communication Strategies","order":4,"contentType":"LEARNING","contentSlug":"communication-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_7f45ac03e76788594e2cefbd3c23d07e","title":"Thinking Aloud","order":0},{"id":"seed_4c56405c1e6a550999ba0f8e77309455","title":"Using Diagrams Effectively","order":1},{"id":"seed_c07fa9c51c03202cc4a00be3e63e8535","title":"Explaining Trade-offs","order":2},{"id":"seed_ede95b408c3210380477f210b3d44c17","title":"Handling Questions","order":3},{"id":"seed_bfb7e4852f379dff03bf3b408d8dd41b","title":"Adapting to Feedback","order":4}]},{"id":"seed_d34f51a85a15065dd1c4e306c1ce9d12","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 41: Interview Strategies","sectionOrder":41,"title":"Handling Constraints","order":5,"contentType":"LEARNING","contentSlug":"handling-constraints","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_b3548f5ca7f345e9b5f1cada0066ac5a","title":"Discussing Alternatives","order":0},{"id":"seed_425392032792381df521d38a36fbea58","title":"Justifying Decisions","order":1},{"id":"seed_39e2ce3a94aced449db878f6e16e7d6c","title":"Acknowledging Limitations","order":2},{"id":"seed_beb2e8faa402d7245eb2336cead2a7aa","title":"Adapting to New Requirements","order":3}]},{"id":"seed_7b4667a8762eb095487cd39d12ff804f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 41: Interview Strategies","sectionOrder":41,"title":"Common Mistakes to Avoid","order":6,"contentType":"LEARNING","contentSlug":"common-mistakes-to-avoid","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_6a53b619a4e444351ca8e495b356ca7b","title":"Diving into Details Too Early","order":0},{"id":"seed_8bdbeead23c6442137c9866b49134038","title":"Ignoring Non-Functional Requirements","order":1},{"id":"seed_50e5b2c94c138012821f7c24f836c842","title":"Not Asking Questions","order":2},{"id":"seed_acb451a7e67e4d0d81eef7d3cb821c5d","title":"Over-Engineering","order":3},{"id":"seed_2cfb7f724a7ccdc886c4c13a1a25a5a9","title":"Poor Time Management","order":4}]},{"id":"seed_2e9baafcebccbce08d1d44ead2baf612","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 41: Interview Strategies","sectionOrder":41,"title":"Mock Interview Practice","order":7,"contentType":"LEARNING","contentSlug":"mock-interview-practice","description":null,"estimatedMins":40,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_53896e600d1896a96aa28c1c9285ebb5","title":"Practice Problem List","order":0},{"id":"seed_29c75e89b12cc0593af90d48d060880d","title":"Self-Evaluation Criteria","order":1},{"id":"seed_219c7fe97ad13dccd40a0ce15cfec923","title":"Peer Interview Practice","order":2},{"id":"seed_86a833555a87a152884c323fb0ef63a7","title":"Continuous Improvement","order":3}]},{"id":"seed_802e19dbf8168aaaada5527758c3338e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"Designing Twitter/X: Social Media Feed at Scale","order":1,"contentType":"LEARNING","contentSlug":"twitter-feed-design","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_dce52b70a496bbfdf3b662a85daa7ab4","title":"Requirements: Post, Follow, Timeline","order":0},{"id":"seed_534a0eab9fc9ca5183a53d8de5be6ebc","title":"Feed Generation Approaches","order":1},{"id":"seed_281e8d50ce668d94f73c169111d9f32b","title":"Fanout on Write vs Fanout on Read","order":2},{"id":"seed_4e1b743862e8cb2245197e2a819a958a","title":"Tweet Storage and Retrieval","order":3},{"id":"seed_19c3d2a009140a36cf88b86a6f2082db","title":"Trending Topics","order":4},{"id":"seed_6bcbd8eaeba1412aab2dd3cd60e0c644","title":"Scaling Considerations","order":5}]},{"id":"seed_057ae08fff30346cff8d20e0350b4ef4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"WhatsApp Messaging System Design","order":2,"contentType":"LEARNING","contentSlug":"whatsapp-messaging","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_08a6d510acdd6a7021d77e488dbb61f2","title":"Requirements: 1:1 and Group Messaging","order":0},{"id":"seed_da79ea621d65131145169750a250c815","title":"Message Delivery Guarantees","order":1},{"id":"seed_f4b364886184677e8493db03a159463c","title":"Real-Time Messaging Architecture","order":2},{"id":"seed_0ba8076899881cd05e3b4b86658eb75d","title":"End-to-End Encryption","order":3},{"id":"seed_0f0f4ea38b4b5e7abbff2ee4134d3c0c","title":"Media Handling","order":4},{"id":"seed_039f7d55c4b76477f86cd95e922efee7","title":"Presence and Delivery Receipts","order":5}]},{"id":"seed_acdbb8f1e8090f0643b088b64e36a786","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"Facebook Newsfeed Design","order":3,"contentType":"LEARNING","contentSlug":"facebook-newsfeed","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_bbde8d29c20ff22ecdfd7a9ffb07e2f2","title":"Requirements: Personalized Feed","order":0},{"id":"seed_b171b65e139ef9ecf1060732f7d9524e","title":"Ranking Algorithms","order":1},{"id":"seed_587b5b3673b4d4b21dd1a4ce950448d7","title":"Content Aggregation","order":2},{"id":"seed_12d67ca48ad9861a194ac77269cbed99","title":"Real-time Updates","order":3},{"id":"seed_913ba89917fb27d9681f4867370e90cb","title":"Caching Strategies","order":4},{"id":"seed_f0d9357023f405a170d7e894ed83f996","title":"Privacy Considerations","order":5}]},{"id":"seed_f94d862d0fda12ce8d6604639b4b9c41","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"Design Discord: Voice, Video & Chat Platform","order":4,"contentType":"LEARNING","contentSlug":"discord-voice-chat","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_0f7f94dacdf1474042489f9f3fbb702f","title":"Requirements: Text, Voice, and Video","order":0},{"id":"seed_73b28bc4e705a5e2494fb23583336066","title":"Real-Time Communication Architecture","order":1},{"id":"seed_e31d87f849b2c4b920612608101d720a","title":"Server Architecture: Backend Services and Data Layer","order":2},{"id":"seed_f5d82edb8a62e3ae8e5eb4f89c84c2c1","title":"Voice Channel Design: Real-Time Audio Architecture","order":3},{"id":"seed_ce59f94cca67720baa733553d0ca0fc7","title":"Scaling to Millions of Concurrent Users","order":4}]},{"id":"seed_081167ba80101cff19d1184e38d650f1","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"LinkedIn Connections: Designing Professional Social Graphs","order":5,"contentType":"LEARNING","contentSlug":"linkedin-connections","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_a1189c7c9929c698809365fb226972d3","title":"Requirements: Connections and Recommendations","order":0},{"id":"seed_0232f41b819107ed676f10dae9259653","title":"Graph Storage and Traversal","order":1},{"id":"seed_44f2f3ec6616daf77f0036886306de30","title":"Degree of Separation Queries","order":2},{"id":"seed_e073927261b4db2297c41b3227eaa607","title":"Recommendation Algorithms","order":3},{"id":"seed_c4d96fead28ebcad047b8fced983b700","title":"Scaling Social Graphs","order":4}]},{"id":"seed_b796e03206e1b1a81f631d330933e398","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"Design a Notification System","order":6,"contentType":"LEARNING","contentSlug":"notification-system","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_7cc5bd4c9e1b9a304a480eded10bbd29","title":"Requirements: Multi-Channel Notifications","order":0},{"id":"seed_ce32cb5811db6c4b819f9eb135271f53","title":"Push, Email, SMS, and In-App Channels","order":1},{"id":"seed_56b5b3f43f7e0652b0e317599c771c77","title":"Notification Routing","order":2},{"id":"seed_afee85b86a1a5aa689918c1a88b82754","title":"Batching and Deduplication","order":3},{"id":"seed_01e70012d9f2d92542e9d35fbaaec4c0","title":"User Preferences","order":4},{"id":"seed_d891eb8dcac4c7db27f6beb8439d10d8","title":"Rate Limiting","order":5}]},{"id":"seed_f5a210a26cb8d8f4f491486d07c62ac7","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"Design Twitter Timeline","order":7,"contentType":"HLD","contentSlug":"design-twitter-timeline","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_b78b2537c0dacbfdf0b6277ee117728d","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"Design Instagram News Feed","order":8,"contentType":"HLD","contentSlug":"design-instagram-news-feed","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_a06176da8d6f9be06a1009807752b825","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"Design a Notification System","order":9,"contentType":"HLD","contentSlug":"design-notification-system","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_b3d909078d91ae9c216790156f107b2f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 42: Social Communication Systems","sectionOrder":42,"title":"Design WhatsApp Messenger","order":10,"contentType":"HLD","contentSlug":"design-whatsapp","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_f2e37ba0f8825b7fd84e82f0da32705b","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Designing YouTube: A Video Platform at Planetary Scale","order":1,"contentType":"LEARNING","contentSlug":"youtube-video-platform","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_aae1cdf2c0e689d45ba6ddd6934792bd","title":"Requirements: Upload, Transcode, Stream","order":0},{"id":"seed_99e9a0f4650cea68ac5ec202ba0853c9","title":"Video Upload Pipeline","order":1},{"id":"seed_332ee212ec37514194d8801ab8bf574e","title":"Transcoding Architecture","order":2},{"id":"seed_cd81dc44ddf22a0e048089761e5af2c5","title":"Adaptive Bitrate Streaming","order":3},{"id":"seed_c5fc7faf9e4a1a6c7ab723ff54861d0b","title":"CDN Integration","order":4},{"id":"seed_7b5a5359a5bf88138d843b4d18fe232d","title":"Recommendation Engine","order":5}]},{"id":"seed_1eccf326c8b03d7a8ec249301b9a7078","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Netflix Streaming Service Design","order":2,"contentType":"LEARNING","contentSlug":"netflix-streaming","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_9743ee84ebe7896d252eabaa1f6da849","title":"Requirements: Reliable Streaming","order":0},{"id":"seed_5a030f05f9511b1a63c85dfabbb1740c","title":"Content Delivery Architecture","order":1},{"id":"seed_19ac1ae1de3927dcca7750a8b31cd6d6","title":"Open Connect CDN","order":2},{"id":"seed_8b6120c5deea959d97a164716f083c37","title":"Personalization Engine","order":3},{"id":"seed_74858dbbaaa3fc8d838e41043a5a5d2e","title":"Offline Viewing","order":4},{"id":"seed_4aea6bb2b60af15269a0e767a1d58f86","title":"Multi-Device Sync","order":5}]},{"id":"seed_90017d45939b7be54f13b0ba5f97c521","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Designing Instagram: Photo-Sharing at Planetary Scale","order":3,"contentType":"LEARNING","contentSlug":"instagram-photos","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_c5e22f0cbf03672c2e0ec3a55f2bb6db","title":"Requirements Analysis: Upload, Share, Explore","order":0},{"id":"seed_f952e9ceaebcbe18d68cebcec47a9bbe","title":"Image Processing Pipeline: From Upload to Delivery","order":1},{"id":"seed_305d6f0c951699c5a03e324762735b4f","title":"Feed Generation: Curating the Timeline at Scale","order":2},{"id":"seed_c3c2ab8437fe9bb21e183a269906d956","title":"Stories Architecture: Ephemeral Content at Planetary Scale","order":3},{"id":"seed_bd4c033c7a2b699abb655fb4625069bc","title":"Explore Algorithm: Discovery at Planetary Scale","order":4},{"id":"seed_6f062cc73c47165aa9b21aedd8731276","title":"Scaling Media Storage: Exabytes of Photos and Videos","order":5}]},{"id":"seed_17489bb8a25280ccfe7ed6237a1e0fe9","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Designing Spotify: Music Streaming at Scale","order":4,"contentType":"LEARNING","contentSlug":"spotify-music-streaming","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_7da971520cc223fc9afb3b1eea4d8750","title":"Requirements: Streaming and Playlists","order":0},{"id":"seed_9f676c313e7e0e572fcdf81a2e2b2224","title":"Audio Streaming Architecture","order":1},{"id":"seed_62e05b6c455c686b95e2c1901e70cc77","title":"Playlist and Library Management","order":2},{"id":"seed_7112cb7424445768051a15180ab0009b","title":"Recommendation System","order":3},{"id":"seed_8e2f1e41d3a1a8eff40137a0730e95e2","title":"Offline Mode","order":4},{"id":"seed_24c037f7dafd1018a787049661893049","title":"Licensing and Geo-Restrictions","order":5}]},{"id":"seed_f7c049d63ce4b08bea534fbac7969ca4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Designing TikTok: Short-Form Video Platform","order":5,"contentType":"LEARNING","contentSlug":"tiktok-short-videos","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_ac4abede2dc8df31d319a61efa6ef8c0","title":"Requirements: Create, Discover, Engage","order":0},{"id":"seed_6fa08ddfdcde5e977dda2337e169dd16","title":"Video Creation Pipeline","order":1},{"id":"seed_4c7384267dead96fb7e6a25dcc92b6bc","title":"For You Page Algorithm","order":2},{"id":"seed_acae61f5f9ea4e57567972a533957212","title":"Real-Time Engagement","order":3},{"id":"seed_7c3625d6999c15807f2593c112e9c092","title":"Viral Content Handling","order":4},{"id":"seed_379f38ba0eee95f778a3314a665f8f2f","title":"Creator Tools","order":5}]},{"id":"seed_d65fb74068ec7a2d83c32c975be1584a","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Designing Cloud File Storage Systems","order":6,"contentType":"LEARNING","contentSlug":"google-drive-dropbox","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_ded4bc527ec62bc2d7a27bc8788d6391","title":"Requirements: Sync, Share, Collaborate","order":0},{"id":"seed_d3331e4d4529cd27bd1760ba744f6f6a","title":"File Synchronization","order":1},{"id":"seed_b11bd32893ed2cdb7970d92c36bd0c92","title":"Conflict Resolution","order":2},{"id":"seed_d9b39900224b814c2a851e15e57406c2","title":"Chunked Uploads","order":3},{"id":"seed_5c3db887e52abbfadcf408ebdc850a3e","title":"Version History","order":4},{"id":"seed_6de34824489b33663e6606cd08230eb0","title":"Sharing and Permissions","order":5}]},{"id":"seed_1c41b54ce7be723d490e55ab054cc88e","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Design YouTube Video Streaming","order":7,"contentType":"HLD","contentSlug":"design-youtube-video-streaming","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_ff24f931d0c4d2e9c3e6208f5de7e6b5","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Design Zoom","order":8,"contentType":"HLD","contentSlug":"design-zoom","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_89c25bf4f8748b07f26b3c97f41fab1c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 43: Media Content Systems","sectionOrder":43,"title":"Design Google Docs","order":9,"contentType":"HLD","contentSlug":"design-google-docs","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_91b7545a0f30372381dca9855543226f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Uber / Lyft Ride-Sharing System Design","order":1,"contentType":"LEARNING","contentSlug":"uber-lyft-ridesharing","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_52e2f336b686babf05624b7ad64b5ceb","title":"Requirements: Match Riders and Drivers","order":0},{"id":"seed_d19d2bda2dab2fea013079449bd85dbf","title":"Location Tracking at Scale","order":1},{"id":"seed_25cd37604d12e38e144d95c7ac70f5c1","title":"Matching Algorithm: Dispatch Optimization","order":2},{"id":"seed_91cd5c973b348bf4c01a2bc97c318934","title":"Surge Pricing: Dynamic Market Equilibrium","order":3},{"id":"seed_ac85373e033a62f157d4c982c3b112e4","title":"ETA Calculation: Route Estimation at Scale","order":4},{"id":"seed_95e15562806be479acad004c708d3985","title":"Trip Management: Orchestrating the Ride Lifecycle","order":5}]},{"id":"seed_ecf8711de51ebb6079213663c4e3ecaa","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Designing Amazon: E-Commerce at Massive Scale","order":2,"contentType":"LEARNING","contentSlug":"amazon-e-commerce","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_591b1926ad29b4e0bb73f7a383f112ef","title":"Requirements: Catalog, Cart, and Checkout","order":0},{"id":"seed_014e57f8837bbd4dd765c9df8c47aea5","title":"Product Catalog at Scale","order":1},{"id":"seed_80a65b5ce437671c200160a57ecaef4a","title":"Shopping Cart Design","order":2},{"id":"seed_73d2759c4cb9e6ab8ed650f1fe67a2fc","title":"Inventory Management","order":3},{"id":"seed_dd45c868e5ecff1a16cd62f2bcd3651e","title":"Order Processing","order":4},{"id":"seed_9d48fac001c5fe722901f9fe836b75a1","title":"Recommendation Engine","order":5}]},{"id":"seed_bc17212a7ea57cfd2f8c066d72d3526f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Designing a Payment System","order":3,"contentType":"LEARNING","contentSlug":"payment-system","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_a4d45505e1fc9217e7a533a4fbd3c5e3","title":"Requirements: Process Payments","order":0},{"id":"seed_665d6924ee7eb2933ae084c0fceb2864","title":"Payment Gateway Integration","order":1},{"id":"seed_43d58ab235fa316117c3872cb500cb81","title":"Idempotency Guarantees","order":2},{"id":"seed_4d157345167e7332ce624f7fae709b95","title":"Fraud Detection","order":3},{"id":"seed_20d4ff78eb2dcc4669d2bf307dc02f67","title":"Transaction Reconciliation","order":4},{"id":"seed_e34e0e975540af2c6a186036b9f50418","title":"Compliance: PCI DSS","order":5}]},{"id":"seed_6765eeedaad036d4a74ac5af2077db58","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Designing a URL Shortener","order":4,"contentType":"LEARNING","contentSlug":"url-shortener","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_7405c043bb03088d79fc6d534d4bca07","title":"Requirements: Shorten, Redirect, Analytics","order":0},{"id":"seed_ba474dad70c7f31c27a841684340692f","title":"URL Encoding Strategies","order":1},{"id":"seed_24a00a96ba36f1b05e0e16177c0265e6","title":"Redirect Latency Optimization","order":2},{"id":"seed_e75d41158a3ed636009dd52f9ea24cef","title":"Analytics Collection","order":3},{"id":"seed_acc620ea2870d59a0adfc7777c57eae2","title":"Custom Short URLs","order":4},{"id":"seed_4d4677cf749f4e414bed3273f4d8c180","title":"Scaling Reads","order":5}]},{"id":"seed_4dae645d3084378ed639d05ca90ce02f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Designing a Rate Limiter","order":5,"contentType":"LEARNING","contentSlug":"rate-limiter","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_9864e04c2eec1a029ede437d8098a1a5","title":"Requirements: Limit API Requests","order":0},{"id":"seed_2b06ddcac3eb756a077670e353223a29","title":"Token Bucket Algorithm","order":1},{"id":"seed_dd0937352f58ecd629d66b1a9d1d15f6","title":"Sliding Window Algorithm","order":2},{"id":"seed_3326947a9d36821d8edf9fe902c50602","title":"Distributed Rate Limiting","order":3},{"id":"seed_3663bc6765ebc004bb3230ab8aa40696","title":"Per-User vs Per-API Limits","order":4},{"id":"seed_c97292c2e4fbb9c64ba995f80f75f527","title":"Client Communication","order":5}]},{"id":"seed_68b885c5b324d0e00d0f54af22c7f32f","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Designing a Distributed Cache","order":6,"contentType":"LEARNING","contentSlug":"distributed-cache","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_2582ce2e81aa6b96db0fa702a775c571","title":"Requirements: Low-Latency Caching","order":0},{"id":"seed_ad5f04bc7629639ccd1262f901ea33c4","title":"Cache Partitioning","order":1},{"id":"seed_e6b058ab2d4c36682851a59e4ababace","title":"Consistent Hashing","order":2},{"id":"seed_e4ed06fcac8a9b98182be9ef254fc17c","title":"Eviction Policies","order":3},{"id":"seed_25a8ab71dd1c375acda169ed1635f3ab","title":"Cache Coherence","order":4},{"id":"seed_ce5e70e6e979fbd428604c4ec4e0dc12","title":"Failure Handling","order":5}]},{"id":"seed_7323e6e029c513ed065b071bd85e6a37","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Designing a Web Crawler at Scale","order":7,"contentType":"LEARNING","contentSlug":"web-crawler","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.164Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[{"id":"seed_c0e608c6dec38c19b0e007e0213d7e4b","title":"Requirements: Crawl the Web","order":0},{"id":"seed_fc2385625b06f4d589b4443c4a5c4523","title":"URL Frontier Management","order":1},{"id":"seed_2d87f296df120df57cad307c9a6d95e4","title":"Politeness Policies","order":2},{"id":"seed_2d4338d6164a3607ec2429f7fab1dd2a","title":"Duplicate Detection","order":3},{"id":"seed_b291e2ef23a7ac808f380ee2098a7325","title":"Distributed Crawling","order":4},{"id":"seed_40ef4fb35071d67e6bdaba4b606cb74e","title":"Content Extraction","order":5}]},{"id":"seed_47c6a1a6da349f8dfb24ad6d877ac547","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design BookMyShow","order":8,"contentType":"HLD","contentSlug":"design-bookmyshow","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_8420ed184ec2a4e30425c22f2b46dda8","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design Flipkart","order":9,"contentType":"HLD","contentSlug":"design-flipkart","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_3658e0a05c13c10791aa5ec670d80be2","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design Zomato","order":10,"contentType":"HLD","contentSlug":"design-zomato","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_5c2778f2f9f0e1992fa72105e2731511","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design Airbnb","order":11,"contentType":"HLD","contentSlug":"design-airbnb","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_4fc8148ca2aef1bd970abc95d76068b4","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design Stripe","order":12,"contentType":"HLD","contentSlug":"design-stripe","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_a3ea8d5bbc7d4c6e75263955c9bc8fbc","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design Groww","order":13,"contentType":"HLD","contentSlug":"design-groww","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_643d49dd26ff49e41ebd9c9d04fdfef7","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design Google Maps","order":14,"contentType":"HLD","contentSlug":"design-google-maps","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_73da36a0bf6cf0f1abd67feec201adb5","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design a Real-Time Gaming Leaderboard","order":15,"contentType":"HLD","contentSlug":"design-real-time-gaming-leaderboard","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_018f9a38b08a4d4528b63083cdfc63ac","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design a Recommendation System","order":16,"contentType":"HLD","contentSlug":"design-recommendation-system","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_c86470546caed944bb6d131ffc4103cd","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design a Content Moderation System","order":17,"contentType":"HLD","contentSlug":"design-content-moderation","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_8aaffd77a78107daaf985f9f0376fb9c","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design a Machine Learning Feature Store","order":18,"contentType":"HLD","contentSlug":"design-ml-feature-store","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]},{"id":"seed_a19847916d74e17a9e9767bb4a752908","learningPathId":"seed_8e9996a306ee9551b4e0eb8e18423c97","section":"Chapter 44: Commerce Infrastructure Systems","sectionOrder":44,"title":"Design a Blockchain / Distributed Ledger","order":19,"contentType":"HLD","contentSlug":"design-blockchain-distributed-ledger","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.854Z","updatedAt":"2026-10-17T16:28:30.435Z","pages":[]}]},"currentModule":"$45:props:state:queries:1:state:data:json:path:modules:114","prevModule":"$45:props:state:queries:1:state:data:json:path:modules:113","nextModule":"$45:props:state:queries:1:state:data:json:path:modules:115","allModules":"$45:props:state:queries:1:state:data:json:path:modules"},"meta":{"values":{"path.createdAt":["Date"],"path.updatedAt":["Date"],"path.modules.0.createdAt":["Date"],"path.modules.0.updatedAt":["Date"],"path.modules.1.createdAt":["Date"],"path.modules.1.updatedAt":["Date"],"path.modules.2.createdAt":["Date"],"path.modules.2.updatedAt":["Date"],"path.modules.3.createdAt":["Date"],"path.modules.3.updatedAt":["Date"],"path.modules.4.createdAt":["Date"],"path.modules.4.updatedAt":["Date"],"path.modules.5.createdAt":["Date"],"path.modules.5.updatedAt":["Date"],"path.modules.6.createdAt":["Date"],"path.modules.6.updatedAt":["Date"],"path.modules.7.createdAt":["Date"],"path.modules.7.updatedAt":["Date"],"path.modules.8.createdAt":["Date"],"path.modules.8.updatedAt":["Date"],"path.modules.9.createdAt":["Date"],"path.modules.9.updatedAt":["Date"],"path.modules.10.createdAt":["Date"],"path.modules.10.updatedAt":["Date"],"path.modules.11.createdAt":["Date"],"path.modules.11.updatedAt":["Date"],"path.modules.12.createdAt":["Date"],"path.modules.12.updatedAt":["Date"],"path.modules.13.createdAt":["Date"],"path.modules.13.updatedAt":["Date"],"path.modules.14.createdAt":["Date"],"path.modules.14.updatedAt":["Date"],"path.modules.15.createdAt":["Date"],"path.modules.15.updatedAt":["Date"],"path.modules.16.createdAt":["Date"],"path.modules.16.updatedAt":["Date"],"path.modules.17.createdAt":["Date"],"path.modules.17.updatedAt":["Date"],"path.modules.18.createdAt":["Date"],"path.modules.18.updatedAt":["Date"],"path.modules.19.createdAt":["Date"],"path.modules.19.updatedAt":["Date"],"path.modules.20.createdAt":["Date"],"path.modules.20.updatedAt":["Date"],"path.modules.21.createdAt":["Date"],"path.modules.21.updatedAt":["Date"],"path.modules.22.createdAt":["Date"],"path.modules.22.updatedAt":["Date"],"path.modules.23.createdAt":["Date"],"path.modules.23.updatedAt":["Date"],"path.modules.24.createdAt":["Date"],"path.modules.24.updatedAt":["Date"],"path.modules.25.createdAt":["Date"],"path.modules.25.updatedAt":["Date"],"path.modules.26.createdAt":["Date"],"path.modules.26.updatedAt":["Date"],"path.modules.27.createdAt":["Date"],"path.modules.27.updatedAt":["Date"],"path.modules.28.createdAt":["Date"],"path.modules.28.updatedAt":["Date"],"path.modules.29.createdAt":["Date"],"path.modules.29.updatedAt":["Date"],"path.modules.30.createdAt":["Date"],"path.modules.30.updatedAt":["Date"],"path.modules.31.createdAt":["Date"],"path.modules.31.updatedAt":["Date"],"path.modules.32.createdAt":["Date"],"path.modules.32.updatedAt":["Date"],"path.modules.33.createdAt":["Date"],"path.modules.33.updatedAt":["Date"],"path.modules.34.createdAt":["Date"],"path.modules.34.updatedAt":["Date"],"path.modules.35.createdAt":["Date"],"path.modules.35.updatedAt":["Date"],"path.modules.36.createdAt":["Date"],"path.modules.36.updatedAt":["Date"],"path.modules.37.createdAt":["Date"],"path.modules.37.updatedAt":["Date"],"path.modules.38.createdAt":["Date"],"path.modules.38.updatedAt":["Date"],"path.modules.39.createdAt":["Date"],"path.modules.39.updatedAt":["Date"],"path.modules.40.createdAt":["Date"],"path.modules.40.updatedAt":["Date"],"path.modules.41.createdAt":["Date"],"path.modules.41.updatedAt":["Date"],"path.modules.42.createdAt":["Date"],"path.modules.42.updatedAt":["Date"],"path.modules.43.createdAt":["Date"],"path.modules.43.updatedAt":["Date"],"path.modules.44.createdAt":["Date"],"path.modules.44.updatedAt":["Date"],"path.modules.45.createdAt":["Date"],"path.modules.45.updatedAt":["Date"],"path.modules.46.createdAt":["Date"],"path.modules.46.updatedAt":["Date"],"path.modules.47.createdAt":["Date"],"path.modules.47.updatedAt":["Date"],"path.modules.48.createdAt":["Date"],"path.modules.48.updatedAt":["Date"],"path.modules.49.createdAt":["Date"],"path.modules.49.updatedAt":["Date"],"path.modules.50.createdAt":["Date"],"path.modules.50.updatedAt":["Date"],"path.modules.51.createdAt":["Date"],"path.modules.51.updatedAt":["Date"],"path.modules.52.createdAt":["Date"],"path.modules.52.updatedAt":["Date"],"path.modules.53.createdAt":["Date"],"path.modules.53.updatedAt":["Date"],"path.modules.54.createdAt":["Date"],"path.modules.54.updatedAt":["Date"],"path.modules.55.createdAt":["Date"],"path.modules.55.updatedAt":["Date"],"path.modules.56.createdAt":["Date"],"path.modules.56.updatedAt":["Date"],"path.modules.57.createdAt":["Date"],"path.modules.57.updatedAt":["Date"],"path.modules.58.createdAt":["Date"],"path.modules.58.updatedAt":["Date"],"path.modules.59.createdAt":["Date"],"path.modules.59.updatedAt":["Date"],"path.modules.60.createdAt":["Date"],"path.modules.60.updatedAt":["Date"],"path.modules.61.createdAt":["Date"],"path.modules.61.updatedAt":["Date"],"path.modules.62.createdAt":["Date"],"path.modules.62.updatedAt":["Date"],"path.modules.63.createdAt":["Date"],"path.modules.63.updatedAt":["Date"],"path.modules.64.createdAt":["Date"],"path.modules.64.updatedAt":["Date"],"path.modules.65.createdAt":["Date"],"path.modules.65.updatedAt":["Date"],"path.modules.66.createdAt":["Date"],"path.modules.66.updatedAt":["Date"],"path.modules.67.createdAt":["Date"],"path.modules.67.updatedAt":["Date"],"path.modules.68.createdAt":["Date"],"path.modules.68.updatedAt":["Date"],"path.modules.69.createdAt":["Date"],"path.modules.69.updatedAt":["Date"],"path.modules.70.createdAt":["Date"],"path.modules.70.updatedAt":["Date"],"path.modules.71.createdAt":["Date"],"path.modules.71.updatedAt":["Date"],"path.modules.72.createdAt":["Date"],"path.modules.72.updatedAt":["Date"],"path.modules.73.createdAt":["Date"],"path.modules.73.updatedAt":["Date"],"path.modules.74.createdAt":["Date"],"path.modules.74.updatedAt":["Date"],"path.modules.75.createdAt":["Date"],"path.modules.75.updatedAt":["Date"],"path.modules.76.createdAt":["Date"],"path.modules.76.updatedAt":["Date"],"path.modules.77.createdAt":["Date"],"path.modules.77.updatedAt":["Date"],"path.modules.78.createdAt":["Date"],"path.modules.78.updatedAt":["Date"],"path.modules.79.createdAt":["Date"],"path.modules.79.updatedAt":["Date"],"path.modules.80.createdAt":["Date"],"path.modules.80.updatedAt":["Date"],"path.modules.81.createdAt":["Date"],"path.modules.81.updatedAt":["Date"],"path.modules.82.createdAt":["Date"],"path.modules.82.updatedAt":["Date"],"path.modules.83.createdAt":["Date"],"path.modules.83.updatedAt":["Date"],"path.modules.84.createdAt":["Date"],"path.modules.84.updatedAt":["Date"],"path.modules.85.createdAt":["Date"],"path.modules.85.updatedAt":["Date"],"path.modules.86.createdAt":["Date"],"path.modules.86.updatedAt":["Date"],"path.modules.87.createdAt":["Date"],"path.modules.87.updatedAt":["Date"],"path.modules.88.createdAt":["Date"],"path.modules.88.updatedAt":["Date"],"path.modules.89.createdAt":["Date"],"path.modules.89.updatedAt":["Date"],"path.modules.90.createdAt":["Date"],"path.modules.90.updatedAt":["Date"],"path.modules.91.createdAt":["Date"],"path.modules.91.updatedAt":["Date"],"path.modules.92.createdAt":["Date"],"path.modules.92.updatedAt":["Date"],"path.modules.93.createdAt":["Date"],"path.modules.93.updatedAt":["Date"],"path.modules.94.createdAt":["Date"],"path.modules.94.updatedAt":["Date"],"path.modules.95.createdAt":["Date"],"path.modules.95.updatedAt":["Date"],"path.modules.96.createdAt":["Date"],"path.modules.96.updatedAt":["Date"],"path.modules.97.createdAt":["Date"],"path.modules.97.updatedAt":["Date"],"path.modules.98.createdAt":["Date"],"path.modules.98.updatedAt":["Date"],"path.modules.99.createdAt":["Date"],"path.modules.99.updatedAt":["Date"],"path.modules.100.createdAt":["Date"],"path.modules.100.updatedAt":["Date"],"path.modules.101.createdAt":["Date"],"path.modules.101.updatedAt":["Date"],"path.modules.102.createdAt":["Date"],"path.modules.102.updatedAt":["Date"],"path.modules.103.createdAt":["Date"],"path.modules.103.updatedAt":["Date"],"path.modules.104.createdAt":["Date"],"path.modules.104.updatedAt":["Date"],"path.modules.105.createdAt":["Date"],"path.modules.105.updatedAt":["Date"],"path.modules.106.createdAt":["Date"],"path.modules.106.updatedAt":["Date"],"path.modules.107.createdAt":["Date"],"path.modules.107.updatedAt":["Date"],"path.modules.108.createdAt":["Date"],"path.modules.108.updatedAt":["Date"],"path.modules.109.createdAt":["Date"],"path.modules.109.updatedAt":["Date"],"path.modules.110.createdAt":["Date"],"path.modules.110.updatedAt":["Date"],"path.modules.111.createdAt":["Date"],"path.modules.111.updatedAt":["Date"],"path.modules.112.createdAt":["Date"],"path.modules.112.updatedAt":["Date"],"path.modules.113.createdAt":["Date"],"path.modules.113.updatedAt":["Date"],"path.modules.114.createdAt":["Date"],"path.modules.114.updatedAt":["Date"],"path.modules.115.createdAt":["Date"],"path.modules.115.updatedAt":["Date"],"path.modules.116.createdAt":["Date"],"path.modules.116.updatedAt":["Date"],"path.modules.117.createdAt":["Date"],"path.modules.117.updatedAt":["Date"],"path.modules.118.createdAt":["Date"],"path.modules.118.updatedAt":["Date"],"path.modules.119.createdAt":["Date"],"path.modules.119.updatedAt":["Date"],"path.modules.120.createdAt":["Date"],"path.modules.120.updatedAt":["Date"],"path.modules.121.createdAt":["Date"],"path.modules.121.updatedAt":["Date"],"path.modules.122.createdAt":["Date"],"path.modules.122.updatedAt":["Date"],"path.modules.123.createdAt":["Date"],"path.modules.123.updatedAt":["Date"],"path.modules.124.createdAt":["Date"],"path.modules.124.updatedAt":["Date"],"path.modules.125.createdAt":["Date"],"path.modules.125.updatedAt":["Date"],"path.modules.126.createdAt":["Date"],"path.modules.126.updatedAt":["Date"],"path.modules.127.createdAt":["Date"],"path.modules.127.updatedAt":["Date"],"path.modules.128.createdAt":["Date"],"path.modules.128.updatedAt":["Date"],"path.modules.129.createdAt":["Date"],"path.modules.129.updatedAt":["Date"],"path.modules.130.createdAt":["Date"],"path.modules.130.updatedAt":["Date"],"path.modules.131.createdAt":["Date"],"path.modules.131.updatedAt":["Date"],"path.modules.132.createdAt":["Date"],"path.modules.132.updatedAt":["Date"],"path.modules.133.createdAt":["Date"],"path.modules.133.updatedAt":["Date"],"path.modules.134.createdAt":["Date"],"path.modules.134.updatedAt":["Date"],"path.modules.135.createdAt":["Date"],"path.modules.135.updatedAt":["Date"],"path.modules.136.createdAt":["Date"],"path.modules.136.updatedAt":["Date"],"path.modules.137.createdAt":["Date"],"path.modules.137.updatedAt":["Date"],"path.modules.138.createdAt":["Date"],"path.modules.138.updatedAt":["Date"],"path.modules.139.createdAt":["Date"],"path.modules.139.updatedAt":["Date"],"path.modules.140.createdAt":["Date"],"path.modules.140.updatedAt":["Date"],"path.modules.141.createdAt":["Date"],"path.modules.141.updatedAt":["Date"],"path.modules.142.createdAt":["Date"],"path.modules.142.updatedAt":["Date"],"path.modules.143.createdAt":["Date"],"path.modules.143.updatedAt":["Date"],"path.modules.144.createdAt":["Date"],"path.modules.144.updatedAt":["Date"],"path.modules.145.createdAt":["Date"],"path.modules.145.updatedAt":["Date"],"path.modules.146.createdAt":["Date"],"path.modules.146.updatedAt":["Date"],"path.modules.147.createdAt":["Date"],"path.modules.147.updatedAt":["Date"],"path.modules.148.createdAt":["Date"],"path.modules.148.updatedAt":["Date"],"path.modules.149.createdAt":["Date"],"path.modules.149.updatedAt":["Date"],"path.modules.150.createdAt":["Date"],"path.modules.150.updatedAt":["Date"],"path.modules.151.createdAt":["Date"],"path.modules.151.updatedAt":["Date"],"path.modules.152.createdAt":["Date"],"path.modules.152.updatedAt":["Date"],"path.modules.153.createdAt":["Date"],"path.modules.153.updatedAt":["Date"],"path.modules.154.createdAt":["Date"],"path.modules.154.updatedAt":["Date"],"path.modules.155.createdAt":["Date"],"path.modules.155.updatedAt":["Date"],"path.modules.156.createdAt":["Date"],"path.modules.156.updatedAt":["Date"],"path.modules.157.createdAt":["Date"],"path.modules.157.updatedAt":["Date"],"path.modules.158.createdAt":["Date"],"path.modules.158.updatedAt":["Date"],"path.modules.159.createdAt":["Date"],"path.modules.159.updatedAt":["Date"],"path.modules.160.createdAt":["Date"],"path.modules.160.updatedAt":["Date"],"path.modules.161.createdAt":["Date"],"path.modules.161.updatedAt":["Date"],"path.modules.162.createdAt":["Date"],"path.modules.162.updatedAt":["Date"],"path.modules.163.createdAt":["Date"],"path.modules.163.updatedAt":["Date"],"path.modules.164.createdAt":["Date"],"path.modules.164.updatedAt":["Date"],"path.modules.165.createdAt":["Date"],"path.modules.165.updatedAt":["Date"],"path.modules.166.createdAt":["Date"],"path.modules.166.updatedAt":["Date"],"path.modules.167.createdAt":["Date"],"path.modules.167.updatedAt":["Date"],"path.modules.168.createdAt":["Date"],"path.modules.168.updatedAt":["Date"],"path.modules.169.createdAt":["Date"],"path.modules.169.updatedAt":["Date"],"path.modules.170.createdAt":["Date"],"path.modules.170.updatedAt":["Date"],"path.modules.171.createdAt":["Date"],"path.modules.171.updatedAt":["Date"],"path.modules.172.createdAt":["Date"],"path.modules.172.updatedAt":["Date"],"path.modules.173.createdAt":["Date"],"path.modules.173.updatedAt":["Date"],"path.modules.174.createdAt":["Date"],"path.modules.174.updatedAt":["Date"],"path.modules.175.createdAt":["Date"],"path.modules.175.updatedAt":["Date"],"path.modules.176.createdAt":["Date"],"path.modules.176.updatedAt":["Date"],"path.modules.177.createdAt":["Date"],"path.modules.177.updatedAt":["Date"],"path.modules.178.createdAt":["Date"],"path.modules.178.updatedAt":["Date"],"path.modules.179.createdAt":["Date"],"path.modules.179.updatedAt":["Date"],"path.modules.180.createdAt":["Date"],"path.modules.180.updatedAt":["Date"],"path.modules.181.createdAt":["Date"],"path.modules.181.updatedAt":["Date"],"path.modules.182.createdAt":["Date"],"path.modules.182.updatedAt":["Date"],"path.modules.183.createdAt":["Date"],"path.modules.183.updatedAt":["Date"],"path.modules.184.createdAt":["Date"],"path.modules.184.updatedAt":["Date"],"path.modules.185.createdAt":["Date"],"path.modules.185.updatedAt":["Date"],"path.modules.186.createdAt":["Date"],"path.modules.186.updatedAt":["Date"],"path.modules.187.createdAt":["Date"],"path.modules.187.updatedAt":["Date"],"path.modules.188.createdAt":["Date"],"path.modules.188.updatedAt":["Date"],"path.modules.189.createdAt":["Date"],"path.modules.189.updatedAt":["Date"],"path.modules.190.createdAt":["Date"],"path.modules.190.updatedAt":["Date"],"path.modules.191.createdAt":["Date"],"path.modules.191.updatedAt":["Date"],"path.modules.192.createdAt":["Date"],"path.modules.192.updatedAt":["Date"],"path.modules.193.createdAt":["Date"],"path.modules.193.updatedAt":["Date"],"path.modules.194.createdAt":["Date"],"path.modules.194.updatedAt":["Date"],"path.modules.195.createdAt":["Date"],"path.modules.195.updatedAt":["Date"],"path.modules.196.createdAt":["Date"],"path.modules.196.updatedAt":["Date"],"path.modules.197.createdAt":["Date"],"path.modules.197.updatedAt":["Date"],"path.modules.198.createdAt":["Date"],"path.modules.198.updatedAt":["Date"],"path.modules.199.createdAt":["Date"],"path.modules.199.updatedAt":["Date"],"path.modules.200.createdAt":["Date"],"path.modules.200.updatedAt":["Date"],"path.modules.201.createdAt":["Date"],"path.modules.201.updatedAt":["Date"],"path.modules.202.createdAt":["Date"],"path.modules.202.updatedAt":["Date"],"path.modules.203.createdAt":["Date"],"path.modules.203.updatedAt":["Date"],"path.modules.204.createdAt":["Date"],"path.modules.204.updatedAt":["Date"],"path.modules.205.createdAt":["Date"],"path.modules.205.updatedAt":["Date"],"path.modules.206.createdAt":["Date"],"path.modules.206.updatedAt":["Date"],"path.modules.207.createdAt":["Date"],"path.modules.207.updatedAt":["Date"],"path.modules.208.createdAt":["Date"],"path.modules.208.updatedAt":["Date"],"path.modules.209.createdAt":["Date"],"path.modules.209.updatedAt":["Date"],"path.modules.210.createdAt":["Date"],"path.modules.210.updatedAt":["Date"],"path.modules.211.createdAt":["Date"],"path.modules.211.updatedAt":["Date"],"path.modules.212.createdAt":["Date"],"path.modules.212.updatedAt":["Date"],"path.modules.213.createdAt":["Date"],"path.modules.213.updatedAt":["Date"],"path.modules.214.createdAt":["Date"],"path.modules.214.updatedAt":["Date"],"path.modules.215.createdAt":["Date"],"path.modules.215.updatedAt":["Date"],"path.modules.216.createdAt":["Date"],"path.modules.216.updatedAt":["Date"],"path.modules.217.createdAt":["Date"],"path.modules.217.updatedAt":["Date"],"path.modules.218.createdAt":["Date"],"path.modules.218.updatedAt":["Date"],"path.modules.219.createdAt":["Date"],"path.modules.219.updatedAt":["Date"],"path.modules.220.createdAt":["Date"],"path.modules.220.updatedAt":["Date"],"path.modules.221.createdAt":["Date"],"path.modules.221.updatedAt":["Date"],"path.modules.222.createdAt":["Date"],"path.modules.222.updatedAt":["Date"],"path.modules.223.createdAt":["Date"],"path.modules.223.updatedAt":["Date"],"path.modules.224.createdAt":["Date"],"path.modules.224.updatedAt":["Date"],"path.modules.225.createdAt":["Date"],"path.modules.225.updatedAt":["Date"],"path.modules.226.createdAt":["Date"],"path.modules.226.updatedAt":["Date"],"path.modules.227.createdAt":["Date"],"path.modules.227.updatedAt":["Date"],"path.modules.228.createdAt":["Date"],"path.modules.228.updatedAt":["Date"],"path.modules.229.createdAt":["Date"],"path.modules.229.updatedAt":["Date"],"path.modules.230.createdAt":["Date"],"path.modules.230.updatedAt":["Date"],"path.modules.231.createdAt":["Date"],"path.modules.231.updatedAt":["Date"],"path.modules.232.createdAt":["Date"],"path.modules.232.updatedAt":["Date"],"path.modules.233.createdAt":["Date"],"path.modules.233.updatedAt":["Date"],"path.modules.234.createdAt":["Date"],"path.modules.234.updatedAt":["Date"],"path.modules.235.createdAt":["Date"],"path.modules.235.updatedAt":["Date"],"path.modules.236.createdAt":["Date"],"path.modules.236.updatedAt":["Date"],"path.modules.237.createdAt":["Date"],"path.modules.237.updatedAt":["Date"],"path.modules.238.createdAt":["Date"],"path.modules.238.updatedAt":["Date"],"path.modules.239.createdAt":["Date"],"path.modules.239.updatedAt":["Date"],"path.modules.240.createdAt":["Date"],"path.modules.240.updatedAt":["Date"],"path.modules.241.createdAt":["Date"],"path.modules.241.updatedAt":["Date"],"path.modules.242.createdAt":["Date"],"path.modules.242.updatedAt":["Date"],"path.modules.243.createdAt":["Date"],"path.modules.243.updatedAt":["Date"],"path.modules.244.createdAt":["Date"],"path.modules.244.updatedAt":["Date"],"path.modules.245.createdAt":["Date"],"path.modules.245.updatedAt":["Date"],"path.modules.246.createdAt":["Date"],"path.modules.246.updatedAt":["Date"],"path.modules.247.createdAt":["Date"],"path.modules.247.updatedAt":["Date"],"path.modules.248.createdAt":["Date"],"path.modules.248.updatedAt":["Date"],"path.modules.249.createdAt":["Date"],"path.modules.249.updatedAt":["Date"],"path.modules.250.createdAt":["Date"],"path.modules.250.updatedAt":["Date"],"path.modules.251.createdAt":["Date"],"path.modules.251.updatedAt":["Date"],"path.modules.252.createdAt":["Date"],"path.modules.252.updatedAt":["Date"],"path.modules.253.createdAt":["Date"],"path.modules.253.updatedAt":["Date"],"path.modules.254.createdAt":["Date"],"path.modules.254.updatedAt":["Date"],"path.modules.255.createdAt":["Date"],"path.modules.255.updatedAt":["Date"],"path.modules.256.createdAt":["Date"],"path.modules.256.updatedAt":["Date"],"path.modules.257.createdAt":["Date"],"path.modules.257.updatedAt":["Date"],"path.modules.258.createdAt":["Date"],"path.modules.258.updatedAt":["Date"],"path.modules.259.createdAt":["Date"],"path.modules.259.updatedAt":["Date"],"path.modules.260.createdAt":["Date"],"path.modules.260.updatedAt":["Date"],"path.modules.261.createdAt":["Date"],"path.modules.261.updatedAt":["Date"],"path.modules.262.createdAt":["Date"],"path.modules.262.updatedAt":["Date"],"path.modules.263.createdAt":["Date"],"path.modules.263.updatedAt":["Date"],"path.modules.264.createdAt":["Date"],"path.modules.264.updatedAt":["Date"],"path.modules.265.createdAt":["Date"],"path.modules.265.updatedAt":["Date"],"path.modules.266.createdAt":["Date"],"path.modules.266.updatedAt":["Date"],"path.modules.267.createdAt":["Date"],"path.modules.267.updatedAt":["Date"],"path.modules.268.createdAt":["Date"],"path.modules.268.updatedAt":["Date"],"path.modules.269.createdAt":["Date"],"path.modules.269.updatedAt":["Date"],"path.modules.270.createdAt":["Date"],"path.modules.270.updatedAt":["Date"],"path.modules.271.createdAt":["Date"],"path.modules.271.updatedAt":["Date"],"path.modules.272.createdAt":["Date"],"path.modules.272.updatedAt":["Date"],"path.modules.273.createdAt":["Date"],"path.modules.273.updatedAt":["Date"],"path.modules.274.createdAt":["Date"],"path.modules.274.updatedAt":["Date"],"path.modules.275.createdAt":["Date"],"path.modules.275.updatedAt":["Date"],"path.modules.276.createdAt":["Date"],"path.modules.276.updatedAt":["Date"],"path.modules.277.createdAt":["Date"],"path.modules.277.updatedAt":["Date"],"path.modules.278.createdAt":["Date"],"path.modules.278.updatedAt":["Date"],"path.modules.279.createdAt":["Date"],"path.modules.279.updatedAt":["Date"],"path.modules.280.createdAt":["Date"],"path.modules.280.updatedAt":["Date"],"path.modules.281.createdAt":["Date"],"path.modules.281.updatedAt":["Date"],"path.modules.282.createdAt":["Date"],"path.modules.282.updatedAt":["Date"],"path.modules.283.createdAt":["Date"],"path.modules.283.updatedAt":["Date"],"path.modules.284.createdAt":["Date"],"path.modules.284.updatedAt":["Date"],"path.modules.285.createdAt":["Date"],"path.modules.285.updatedAt":["Date"],"path.modules.286.createdAt":["Date"],"path.modules.286.updatedAt":["Date"],"path.modules.287.createdAt":["Date"],"path.modules.287.updatedAt":["Date"],"path.modules.288.createdAt":["Date"],"path.modules.288.updatedAt":["Date"],"path.modules.289.createdAt":["Date"],"path.modules.289.updatedAt":["Date"],"path.modules.290.createdAt":["Date"],"path.modules.290.updatedAt":["Date"],"path.modules.291.createdAt":["Date"],"path.modules.291.updatedAt":["Date"],"path.modules.292.createdAt":["Date"],"path.modules.292.updatedAt":["Date"],"path.modules.293.createdAt":["Date"],"path.modules.293.updatedAt":["Date"],"path.modules.294.createdAt":["Date"],"path.modules.294.updatedAt":["Date"],"path.modules.295.createdAt":["Date"],"path.modules.295.updatedAt":["Date"],"path.modules.296.createdAt":["Date"],"path.modules.296.updatedAt":["Date"],"path.modules.297.createdAt":["Date"],"path.modules.297.updatedAt":["Date"],"path.modules.298.createdAt":["Date"],"path.modules.298.updatedAt":["Date"],"path.modules.299.createdAt":["Date"],"path.modules.299.updatedAt":["Date"],"path.modules.300.createdAt":["Date"],"path.modules.300.updatedAt":["Date"],"path.modules.301.createdAt":["Date"],"path.modules.301.updatedAt":["Date"],"path.modules.302.createdAt":["Date"],"path.modules.302.updatedAt":["Date"],"path.modules.303.createdAt":["Date"],"path.modules.303.updatedAt":["Date"],"path.modules.304.createdAt":["Date"],"path.modules.304.updatedAt":["Date"],"path.modules.305.createdAt":["Date"],"path.modules.305.updatedAt":["Date"],"path.modules.306.createdAt":["Date"],"path.modules.306.updatedAt":["Date"],"path.modules.307.createdAt":["Date"],"path.modules.307.updatedAt":["Date"],"path.modules.308.createdAt":["Date"],"path.modules.308.updatedAt":["Date"],"path.modules.309.createdAt":["Date"],"path.modules.309.updatedAt":["Date"],"path.modules.310.createdAt":["Date"],"path.modules.310.updatedAt":["Date"],"path.modules.311.createdAt":["Date"],"path.modules.311.updatedAt":["Date"],"path.modules.312.createdAt":["Date"],"path.modules.312.updatedAt":["Date"],"path.modules.313.createdAt":["Date"],"path.modules.313.updatedAt":["Date"],"path.modules.314.createdAt":["Date"],"path.modules.314.updatedAt":["Date"],"path.modules.315.createdAt":["Date"],"path.modules.315.updatedAt":["Date"],"path.modules.316.createdAt":["Date"],"path.modules.316.updatedAt":["Date"],"path.modules.317.createdAt":["Date"],"path.modules.317.updatedAt":["Date"],"path.modules.318.createdAt":["Date"],"path.modules.318.updatedAt":["Date"],"currentModule.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.114.createdAt","currentModule.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.114.updatedAt","prevModule.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.113.createdAt","prevModule.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.113.updatedAt","nextModule.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.115.createdAt","nextModule.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.115.updatedAt","allModules.0.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.0.createdAt","allModules.0.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.0.updatedAt","allModules.1.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.1.createdAt","allModules.1.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.1.updatedAt","allModules.2.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.2.createdAt","allModules.2.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.2.updatedAt","allModules.3.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.3.createdAt","allModules.3.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.3.updatedAt","allModules.4.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.4.createdAt","allModules.4.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.4.updatedAt","allModules.5.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.5.createdAt","allModules.5.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.5.updatedAt","allModules.6.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.6.createdAt","allModules.6.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.6.updatedAt","allModules.7.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.7.createdAt","allModules.7.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.7.updatedAt","allModules.8.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.8.createdAt","allModules.8.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.8.updatedAt","allModules.9.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.9.createdAt","allModules.9.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.9.updatedAt","allModules.10.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.10.createdAt","allModules.10.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.10.updatedAt","allModules.11.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.11.createdAt","allModules.11.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.11.updatedAt","allModules.12.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.12.createdAt","allModules.12.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.12.updatedAt","allModules.13.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.13.createdAt","allModules.13.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.13.updatedAt","allModules.14.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.14.createdAt","allModules.14.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.14.updatedAt","allModules.15.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.15.createdAt","allModules.15.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.15.updatedAt","allModules.16.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.16.createdAt","allModules.16.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.16.updatedAt","allModules.17.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.17.createdAt","allModules.17.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.17.updatedAt","allModules.18.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.18.createdAt","allModules.18.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.18.updatedAt","allModules.19.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.19.createdAt","allModules.19.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.19.updatedAt","allModules.20.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.20.createdAt","allModules.20.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.20.updatedAt","allModules.21.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.21.createdAt","allModules.21.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.21.updatedAt","allModules.22.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.22.createdAt","allModules.22.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.22.updatedAt","allModules.23.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.23.createdAt","allModules.23.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.23.updatedAt","allModules.24.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.24.createdAt","allModules.24.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.24.updatedAt","allModules.25.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.25.createdAt","allModules.25.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.25.updatedAt","allModules.26.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.26.createdAt","allModules.26.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.26.updatedAt","allModules.27.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.27.createdAt","allModules.27.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.27.updatedAt","allModules.28.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.28.createdAt","allModules.28.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.28.updatedAt","allModules.29.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.29.createdAt","allModules.29.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.29.updatedAt","allModules.30.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.30.createdAt","allModules.30.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.30.updatedAt","allModules.31.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.31.createdAt","allModules.31.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.31.updatedAt","allModules.32.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.32.createdAt","allModules.32.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.32.updatedAt","allModules.33.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.33.createdAt","allModules.33.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.33.updatedAt","allModules.34.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.34.createdAt","allModules.34.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.34.updatedAt","allModules.35.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.35.createdAt","allModules.35.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.35.updatedAt","allModules.36.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.36.createdAt","allModules.36.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.36.updatedAt","allModules.37.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.37.createdAt","allModules.37.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.37.updatedAt","allModules.38.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.38.createdAt","allModules.38.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.38.updatedAt","allModules.39.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.39.createdAt","allModules.39.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.39.updatedAt","allModules.40.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.40.createdAt","allModules.40.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.40.updatedAt","allModules.41.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.41.createdAt","allModules.41.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.41.updatedAt","allModules.42.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.42.createdAt","allModules.42.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.42.updatedAt","allModules.43.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.43.createdAt","allModules.43.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.43.updatedAt","allModules.44.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.44.createdAt","allModules.44.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.44.updatedAt","allModules.45.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.45.createdAt","allModules.45.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.45.updatedAt","allModules.46.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.46.createdAt","allModules.46.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.46.updatedAt","allModules.47.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.47.createdAt","allModules.47.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.47.updatedAt","allModules.48.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.48.createdAt","allModules.48.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.48.updatedAt","allModules.49.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.49.createdAt","allModules.49.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.49.updatedAt","allModules.50.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.50.createdAt","allModules.50.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.50.updatedAt","allModules.51.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.51.createdAt","allModules.51.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.51.updatedAt","allModules.52.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.52.createdAt","allModules.52.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.52.updatedAt","allModules.53.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.53.createdAt","allModules.53.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.53.updatedAt","allModules.54.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.54.createdAt","allModules.54.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.54.updatedAt","allModules.55.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.55.createdAt","allModules.55.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.55.updatedAt","allModules.56.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.56.createdAt","allModules.56.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.56.updatedAt","allModules.57.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.57.createdAt","allModules.57.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.57.updatedAt","allModules.58.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.58.createdAt","allModules.58.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.58.updatedAt","allModules.59.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.59.createdAt","allModules.59.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.59.updatedAt","allModules.60.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.60.createdAt","allModules.60.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.60.updatedAt","allModules.61.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.61.createdAt","allModules.61.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.61.updatedAt","allModules.62.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.62.createdAt","allModules.62.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.62.updatedAt","allModules.63.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.63.createdAt","allModules.63.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.63.updatedAt","allModules.64.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.64.createdAt","allModules.64.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.64.updatedAt","allModules.65.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.65.createdAt","allModules.65.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.65.updatedAt","allModules.66.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.66.createdAt","allModules.66.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.66.updatedAt","allModules.67.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.67.createdAt","allModules.67.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.67.updatedAt","allModules.68.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.68.createdAt","allModules.68.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.68.updatedAt","allModules.69.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.69.createdAt","allModules.69.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.69.updatedAt","allModules.70.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.70.createdAt","allModules.70.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.70.updatedAt","allModules.71.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.71.createdAt","allModules.71.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.71.updatedAt","allModules.72.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.72.createdAt","allModules.72.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.72.updatedAt","allModules.73.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.73.createdAt","allModules.73.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.73.updatedAt","allModules.74.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.74.createdAt","allModules.74.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.74.updatedAt","allModules.75.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.75.createdAt","allModules.75.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.75.updatedAt","allModules.76.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.76.createdAt","allModules.76.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.76.updatedAt","allModules.77.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.77.createdAt","allModules.77.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.77.updatedAt","allModules.78.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.78.createdAt","allModules.78.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.78.updatedAt","allModules.79.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.79.createdAt","allModules.79.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.79.updatedAt","allModules.80.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.80.createdAt","allModules.80.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.80.updatedAt","allModules.81.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.81.createdAt","allModules.81.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.81.updatedAt","allModules.82.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.82.createdAt","allModules.82.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.82.updatedAt","allModules.83.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.83.createdAt","allModules.83.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.83.updatedAt","allModules.84.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.84.createdAt","allModules.84.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.84.updatedAt","allModules.85.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.85.createdAt","allModules.85.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.85.updatedAt","allModules.86.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.86.createdAt","allModules.86.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.86.updatedAt","allModules.87.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.87.createdAt","allModules.87.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.87.updatedAt","allModules.88.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.88.createdAt","allModules.88.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.88.updatedAt","allModules.89.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.89.createdAt","allModules.89.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.89.updatedAt","allModules.90.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.90.createdAt","allModules.90.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.90.updatedAt","allModules.91.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.91.createdAt","allModules.91.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.91.updatedAt","allModules.92.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.92.createdAt","allModules.92.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.92.updatedAt","allModules.93.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.93.createdAt","allModules.93.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.93.updatedAt","allModules.94.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.94.createdAt","allModules.94.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.94.updatedAt","allModules.95.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.95.createdAt","allModules.95.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.95.updatedAt","allModules.96.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.96.createdAt","allModules.96.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.96.updatedAt","allModules.97.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.97.createdAt","allModules.97.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.97.updatedAt","allModules.98.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.98.createdAt","allModules.98.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.98.updatedAt","allModules.99.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.99.createdAt","allModules.99.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.99.updatedAt","allModules.100.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.100.createdAt","allModules.100.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.100.updatedAt","allModules.101.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.101.createdAt","allModules.101.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.101.updatedAt","allModules.102.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.102.createdAt","allModules.102.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.102.updatedAt","allModules.103.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.103.createdAt","allModules.103.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.103.updatedAt","allModules.104.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.104.createdAt","allModules.104.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.104.updatedAt","allModules.105.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.105.createdAt","allModules.105.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.105.updatedAt","allModules.106.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.106.createdAt","allModules.106.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.106.updatedAt","allModules.107.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.107.createdAt","allModules.107.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.107.updatedAt","allModules.108.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.108.createdAt","allModules.108.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.108.updatedAt","allModules.109.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.109.createdAt","allModules.109.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.109.updatedAt","allModules.110.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.110.createdAt","allModules.110.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.110.updatedAt","allModules.111.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.111.createdAt","allModules.111.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.111.updatedAt","allModules.112.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.112.createdAt","allModules.112.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.112.updatedAt","allModules.113.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.113.createdAt","allModules.113.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.113.updatedAt","allModules.114.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.114.createdAt","allModules.114.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.114.updatedAt","allModules.115.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.115.createdAt","allModules.115.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.115.updatedAt","allModules.116.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.116.createdAt","allModules.116.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.116.updatedAt","allModules.117.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.117.createdAt","allModules.117.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.117.updatedAt","allModules.118.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.118.createdAt","allModules.118.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.118.updatedAt","allModules.119.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.119.createdAt","allModules.119.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.119.updatedAt","allModules.120.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.120.createdAt","allModules.120.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.120.updatedAt","allModules.121.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.121.createdAt","allModules.121.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.121.updatedAt","allModules.122.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.122.createdAt","allModules.122.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.122.updatedAt","allModules.123.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.123.createdAt","allModules.123.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.123.updatedAt","allModules.124.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.124.createdAt","allModules.124.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.124.updatedAt","allModules.125.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.125.createdAt","allModules.125.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.125.updatedAt","allModules.126.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.126.createdAt","allModules.126.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.126.updatedAt","allModules.127.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.127.createdAt","allModules.127.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.127.updatedAt","allModules.128.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.128.createdAt","allModules.128.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.128.updatedAt","allModules.129.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.129.createdAt","allModules.129.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.129.updatedAt","allModules.130.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.130.createdAt","allModules.130.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.130.updatedAt","allModules.131.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.131.createdAt","allModules.131.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.131.updatedAt","allModules.132.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.132.createdAt","allModules.132.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.132.updatedAt","allModules.133.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.133.createdAt","allModules.133.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.133.updatedAt","allModules.134.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.134.createdAt","allModules.134.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.134.updatedAt","allModules.135.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.135.createdAt","allModules.135.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.135.updatedAt","allModules.136.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.136.createdAt","allModules.136.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.136.updatedAt","allModules.137.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.137.createdAt","allModules.137.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.137.updatedAt","allModules.138.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.138.createdAt","allModules.138.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.138.updatedAt","allModules.139.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.139.createdAt","allModules.139.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.139.updatedAt","allModules.140.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.140.createdAt","allModules.140.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.140.updatedAt","allModules.141.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.141.createdAt","allModules.141.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.141.updatedAt","allModules.142.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.142.createdAt","allModules.142.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.142.updatedAt","allModules.143.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.143.createdAt","allModules.143.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.143.updatedAt","allModules.144.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.144.createdAt","allModules.144.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.144.updatedAt","allModules.145.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.145.createdAt","allModules.145.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.145.updatedAt","allModules.146.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.146.createdAt","allModules.146.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.146.updatedAt","allModules.147.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.147.createdAt","allModules.147.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.147.updatedAt","allModules.148.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.148.createdAt","allModules.148.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.148.updatedAt","allModules.149.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.149.createdAt","allModules.149.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.149.updatedAt","allModules.150.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.150.createdAt","allModules.150.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.150.updatedAt","allModules.151.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.151.createdAt","allModules.151.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.151.updatedAt","allModules.152.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.152.createdAt","allModules.152.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.152.updatedAt","allModules.153.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.153.createdAt","allModules.153.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.153.updatedAt","allModules.154.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.154.createdAt","allModules.154.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.154.updatedAt","allModules.155.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.155.createdAt","allModules.155.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.155.updatedAt","allModules.156.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.156.createdAt","allModules.156.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.156.updatedAt","allModules.157.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.157.createdAt","allModules.157.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.157.updatedAt","allModules.158.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.158.createdAt","allModules.158.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.158.updatedAt","allModules.159.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.159.createdAt","allModules.159.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.159.updatedAt","allModules.160.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.160.createdAt","allModules.160.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.160.updatedAt","allModules.161.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.161.createdAt","allModules.161.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.161.updatedAt","allModules.162.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.162.createdAt","allModules.162.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.162.updatedAt","allModules.163.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.163.createdAt","allModules.163.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.163.updatedAt","allModules.164.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.164.createdAt","allModules.164.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.164.updatedAt","allModules.165.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.165.createdAt","allModules.165.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.165.updatedAt","allModules.166.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.166.createdAt","allModules.166.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.166.updatedAt","allModules.167.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.167.createdAt","allModules.167.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.167.updatedAt","allModules.168.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.168.createdAt","allModules.168.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.168.updatedAt","allModules.169.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.169.createdAt","allModules.169.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.169.updatedAt","allModules.170.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.170.createdAt","allModules.170.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.170.updatedAt","allModules.171.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.171.createdAt","allModules.171.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.171.updatedAt","allModules.172.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.172.createdAt","allModules.172.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.172.updatedAt","allModules.173.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.173.createdAt","allModules.173.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.173.updatedAt","allModules.174.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.174.createdAt","allModules.174.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.174.updatedAt","allModules.175.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.175.createdAt","allModules.175.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.175.updatedAt","allModules.176.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.176.createdAt","allModules.176.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.176.updatedAt","allModules.177.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.177.createdAt","allModules.177.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.177.updatedAt","allModules.178.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.178.createdAt","allModules.178.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.178.updatedAt","allModules.179.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.179.createdAt","allModules.179.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.179.updatedAt","allModules.180.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.180.createdAt","allModules.180.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.180.updatedAt","allModules.181.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.181.createdAt","allModules.181.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.181.updatedAt","allModules.182.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.182.createdAt","allModules.182.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.182.updatedAt","allModules.183.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.183.createdAt","allModules.183.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.183.updatedAt","allModules.184.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.184.createdAt","allModules.184.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.184.updatedAt","allModules.185.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.185.createdAt","allModules.185.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.185.updatedAt","allModules.186.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.186.createdAt","allModules.186.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.186.updatedAt","allModules.187.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.187.createdAt","allModules.187.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.187.updatedAt","allModules.188.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.188.createdAt","allModules.188.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.188.updatedAt","allModules.189.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.189.createdAt","allModules.189.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.189.updatedAt","allModules.190.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.190.createdAt","allModules.190.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.190.updatedAt","allModules.191.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.191.createdAt","allModules.191.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.191.updatedAt","allModules.192.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.192.createdAt","allModules.192.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.192.updatedAt","allModules.193.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.193.createdAt","allModules.193.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.193.updatedAt","allModules.194.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.194.createdAt","allModules.194.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.194.updatedAt","allModules.195.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.195.createdAt","allModules.195.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.195.updatedAt","allModules.196.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.196.createdAt","allModules.196.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.196.updatedAt","allModules.197.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.197.createdAt","allModules.197.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.197.updatedAt","allModules.198.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.198.createdAt","allModules.198.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.198.updatedAt","allModules.199.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.199.createdAt","allModules.199.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.199.updatedAt","allModules.200.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.200.createdAt","allModules.200.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.200.updatedAt","allModules.201.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.201.createdAt","allModules.201.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.201.updatedAt","allModules.202.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.202.createdAt","allModules.202.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.202.updatedAt","allModules.203.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.203.createdAt","allModules.203.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.203.updatedAt","allModules.204.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.204.createdAt","allModules.204.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.204.updatedAt","allModules.205.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.205.createdAt","allModules.205.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.205.updatedAt","allModules.206.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.206.createdAt","allModules.206.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.206.updatedAt","allModules.207.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.207.createdAt","allModules.207.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.207.updatedAt","allModules.208.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.208.createdAt","allModules.208.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.208.updatedAt","allModules.209.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.209.createdAt","allModules.209.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.209.updatedAt","allModules.210.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.210.createdAt","allModules.210.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.210.updatedAt","allModules.211.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.211.createdAt","allModules.211.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.211.updatedAt","allModules.212.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.212.createdAt","allModules.212.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.212.updatedAt","allModules.213.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.213.createdAt","allModules.213.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.213.updatedAt","allModules.214.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.214.createdAt","allModules.214.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.214.updatedAt","allModules.215.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.215.createdAt","allModules.215.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.215.updatedAt","allModules.216.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.216.createdAt","allModules.216.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.216.updatedAt","allModules.217.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.217.createdAt","allModules.217.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.217.updatedAt","allModules.218.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.218.createdAt","allModules.218.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.218.updatedAt","allModules.219.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.219.createdAt","allModules.219.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.219.updatedAt","allModules.220.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.220.createdAt","allModules.220.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.220.updatedAt","allModules.221.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.221.createdAt","allModules.221.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.221.updatedAt","allModules.222.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.222.createdAt","allModules.222.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.222.updatedAt","allModules.223.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.223.createdAt","allModules.223.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.223.updatedAt","allModules.224.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.224.createdAt","allModules.224.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.224.updatedAt","allModules.225.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.225.createdAt","allModules.225.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.225.updatedAt","allModules.226.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.226.createdAt","allModules.226.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.226.updatedAt","allModules.227.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.227.createdAt","allModules.227.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.227.updatedAt","allModules.228.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.228.createdAt","allModules.228.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.228.updatedAt","allModules.229.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.229.createdAt","allModules.229.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.229.updatedAt","allModules.230.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.230.createdAt","allModules.230.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.230.updatedAt","allModules.231.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.231.createdAt","allModules.231.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.231.updatedAt","allModules.232.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.232.createdAt","allModules.232.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.232.updatedAt","allModules.233.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.233.createdAt","allModules.233.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.233.updatedAt","allModules.234.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.234.createdAt","allModules.234.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.234.updatedAt","allModules.235.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.235.createdAt","allModules.235.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.235.updatedAt","allModules.236.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.236.createdAt","allModules.236.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.236.updatedAt","allModules.237.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.237.createdAt","allModules.237.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.237.updatedAt","allModules.238.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.238.createdAt","allModules.238.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.238.updatedAt","allModules.239.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.239.createdAt","allModules.239.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.239.updatedAt","allModules.240.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.240.createdAt","allModules.240.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.240.updatedAt","allModules.241.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.241.createdAt","allModules.241.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.241.updatedAt","allModules.242.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.242.createdAt","allModules.242.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.242.updatedAt","allModules.243.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.243.createdAt","allModules.243.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.243.updatedAt","allModules.244.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.244.createdAt","allModules.244.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.244.updatedAt","allModules.245.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.245.createdAt","allModules.245.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.245.updatedAt","allModules.246.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.246.createdAt","allModules.246.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.246.updatedAt","allModules.247.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.247.createdAt","allModules.247.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.247.updatedAt","allModules.248.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.248.createdAt","allModules.248.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.248.updatedAt","allModules.249.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.249.createdAt","allModules.249.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.249.updatedAt","allModules.250.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.250.createdAt","allModules.250.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.250.updatedAt","allModules.251.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.251.createdAt","allModules.251.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.251.updatedAt","allModules.252.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.252.createdAt","allModules.252.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.252.updatedAt","allModules.253.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.253.createdAt","allModules.253.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.253.updatedAt","allModules.254.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.254.createdAt","allModules.254.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.254.updatedAt","allModules.255.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.255.createdAt","allModules.255.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.255.updatedAt","allModules.256.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.256.createdAt","allModules.256.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.256.updatedAt","allModules.257.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.257.createdAt","allModules.257.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.257.updatedAt","allModules.258.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.258.createdAt","allModules.258.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.258.updatedAt","allModules.259.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.259.createdAt","allModules.259.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.259.updatedAt","allModules.260.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.260.createdAt","allModules.260.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.260.updatedAt","allModules.261.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.261.createdAt","allModules.261.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.261.updatedAt","allModules.262.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.262.createdAt","allModules.262.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.262.updatedAt","allModules.263.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.263.createdAt","allModules.263.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.263.updatedAt","allModules.264.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.264.createdAt","allModules.264.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.264.updatedAt","allModules.265.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.265.createdAt","allModules.265.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.265.updatedAt","allModules.266.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.266.createdAt","allModules.266.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.266.updatedAt","allModules.267.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.267.createdAt","allModules.267.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.267.updatedAt","allModules.268.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.268.createdAt","allModules.268.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.268.updatedAt","allModules.269.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.269.createdAt","allModules.269.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.269.updatedAt","allModules.270.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.270.createdAt","allModules.270.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.270.updatedAt","allModules.271.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.271.createdAt","allModules.271.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.271.updatedAt","allModules.272.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.272.createdAt","allModules.272.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.272.updatedAt","allModules.273.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.273.createdAt","allModules.273.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.273.updatedAt","allModules.274.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.274.createdAt","allModules.274.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.274.updatedAt","allModules.275.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.275.createdAt","allModules.275.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.275.updatedAt","allModules.276.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.276.createdAt","allModules.276.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.276.updatedAt","allModules.277.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.277.createdAt","allModules.277.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.277.updatedAt","allModules.278.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.278.createdAt","allModules.278.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.278.updatedAt","allModules.279.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.279.createdAt","allModules.279.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.279.updatedAt","allModules.280.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.280.createdAt","allModules.280.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.280.updatedAt","allModules.281.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.281.createdAt","allModules.281.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.281.updatedAt","allModules.282.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.282.createdAt","allModules.282.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.282.updatedAt","allModules.283.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.283.createdAt","allModules.283.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.283.updatedAt","allModules.284.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.284.createdAt","allModules.284.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.284.updatedAt","allModules.285.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.285.createdAt","allModules.285.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.285.updatedAt","allModules.286.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.286.createdAt","allModules.286.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.286.updatedAt","allModules.287.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.287.createdAt","allModules.287.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.287.updatedAt","allModules.288.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.288.createdAt","allModules.288.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.288.updatedAt","allModules.289.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.289.createdAt","allModules.289.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.289.updatedAt","allModules.290.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.290.createdAt","allModules.290.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.290.updatedAt","allModules.291.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.291.createdAt","allModules.291.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.291.updatedAt","allModules.292.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.292.createdAt","allModules.292.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.292.updatedAt","allModules.293.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.293.createdAt","allModules.293.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.293.updatedAt","allModules.294.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.294.createdAt","allModules.294.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.294.updatedAt","allModules.295.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.295.createdAt","allModules.295.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.295.updatedAt","allModules.296.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.296.createdAt","allModules.296.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.296.updatedAt","allModules.297.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.297.createdAt","allModules.297.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.297.updatedAt","allModules.298.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.298.createdAt","allModules.298.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.298.updatedAt","allModules.299.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.299.createdAt","allModules.299.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.299.updatedAt","allModules.300.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.300.createdAt","allModules.300.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.300.updatedAt","allModules.301.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.301.createdAt","allModules.301.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.301.updatedAt","allModules.302.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.302.createdAt","allModules.302.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.302.updatedAt","allModules.303.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.303.createdAt","allModules.303.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.303.updatedAt","allModules.304.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.304.createdAt","allModules.304.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.304.updatedAt","allModules.305.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.305.createdAt","allModules.305.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.305.updatedAt","allModules.306.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.306.createdAt","allModules.306.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.306.updatedAt","allModules.307.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.307.createdAt","allModules.307.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.307.updatedAt","allModules.308.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.308.createdAt","allModules.308.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.308.updatedAt","allModules.309.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.309.createdAt","allModules.309.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.309.updatedAt","allModules.310.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.310.createdAt","allModules.310.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.310.updatedAt","allModules.311.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.311.createdAt","allModules.311.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.311.updatedAt","allModules.312.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.312.createdAt","allModules.312.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.312.updatedAt","allModules.313.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.313.createdAt","allModules.313.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.313.updatedAt","allModules.314.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.314.createdAt","allModules.314.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.314.updatedAt","allModules.315.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.315.createdAt","allModules.315.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.315.updatedAt","allModules.316.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.316.createdAt","allModules.316.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.316.updatedAt","allModules.317.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.317.createdAt","allModules.317.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.317.updatedAt","allModules.318.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.318.createdAt","allModules.318.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.318.updatedAt"},"referentialEqualities":{"allModules":["path.modules"],"prevModule":["path.modules.113"],"currentModule":["path.modules.114"],"nextModule":["path.modules.115"]},"v":1}},"dataUpdateCount":1,"dataUpdatedAt":1792309777760,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["learningPaths","getModule"],{"input":{"pathSlug":"hld-system-design","contentType":"LEARNING","contentSlug":"grpc"},"type":"query"}],"queryHash":"[[\"learningPaths\",\"getModule\"],{\"input\":{\"contentSlug\":\"grpc\",\"contentType\":\"LEARNING\",\"pathSlug\":\"hld-system-design\"},\"type\":\"query\"}]"},{"dehydratedAt":1792309777853,"state":{"data":{"json":{"id":"seed_fd39bb2749b9f2157441c1e3a589cd74","slug":"grpc","category":"System Design (HLD)","topic":"gRPC","title":"gRPC: High-Performance Remote Procedure Calls","description":"Master gRPC, the high-performance, open-source RPC framework developed by Google. Learn Protocol Buffers, HTTP/2 streaming, bidirectional communication patterns, and understand when gRPC outperforms REST for inter-service communication.","difficulty":"ADVANCED","estimatedMinutes":75,"pages":[{"id":"seed_ae2410a32dc176369aa9bb98672b3bfd","title":"Protocol Buffers: The Foundation of gRPC","order":0,"content":[{"id":"opening-hook","title":"The Language-Agnostic Contract","content":[{"data":{"content":"When engineers at Google faced the challenge of enabling efficient, type-safe communication between millions of services written in dozens of programming languages, they couldn't rely on JSON or XML. They needed something **faster**, **smaller**, and **strongly typed**—a serialization format that could handle billions of messages per second while maintaining strict contracts between producers and consumers.\n\nThe result was **Protocol Buffers (Protobuf)**, a language-neutral, platform-neutral, extensible mechanism for serializing structured data. Originally developed internally at Google in 2001 and open-sourced in 2008, Protocol Buffers have become the backbone of gRPC and one of the most important technologies in modern distributed systems."},"type":"text"},{"data":{"icon":"Target","title":"What You Will Learn","content":"By the end of this page, you will understand Protocol Buffers from first principles: the IDL specification syntax, the binary wire format, schema evolution strategies, code generation pipelines, and the performance characteristics that make Protobuf the serialization choice for high-performance systems. You'll be equipped to design robust, evolvable service contracts.","variant":"info"},"type":"callout"}]},{"id":"understanding-protobuf","title":"Understanding Protocol Buffers","content":[{"data":{"content":"Protocol Buffers represent a fundamental paradigm shift from text-based serialization formats like JSON and XML. To appreciate this shift, we must understand both *what* Protobuf is and *why* it exists.\n\n**Definition and Core Concepts:**\n\nProtocol Buffers is a **schema-driven binary serialization format** combined with an **Interface Definition Language (IDL)**. The schema defines the structure of your data, and the Protobuf compiler (`protoc`) generates code in your target language to serialize (encode) and deserialize (decode) that data.\n\nThis approach inverts the typical dynamic typing model of JSON. Instead of:\n\n```\nRuntime: Parse JSON → Validate structure → Use data\n```\n\nProtobuf provides:\n\n```\nCompile-time: Define schema → Generate typed code\nRuntime: Deserialize binary → Direct typed access\n```"},"type":"text"},{"data":{"rows":[["Format","Binary","Text","~10x smaller message size"],["Schema","Required (.proto files)","Optional (JSON Schema)","Compile-time type safety"],["Typing","Strong, static","Dynamic, runtime","No type coercion errors"],["Field Access","Generated typed accessors","String-based dictionary lookup","No key typos possible"],["Parsing Speed","Direct binary decode","Text tokenization + parsing","~5-10x faster parsing"],["Human Readable","No (binary)","Yes","Requires tooling to inspect"],["Self-Describing","No","Yes","Smaller but requires schema"]],"caption":"Protocol Buffers vs JSON: Fundamental Differences","headers":["Characteristic","Protocol Buffers","JSON","Impact"]},"type":"table"},{"data":{"icon":"FileText","title":"The Schema Contract","content":"The `.proto` file is a **contract**. It defines exactly what data can be exchanged between services. This contract is then compiled into language-specific code (Java, Go, Python, C++, JavaScript, etc.), ensuring that all parties agree on the data format at compile time rather than discovering mismatches at runtime.","variant":"note"},"type":"callout"},{"data":{"content":"**The Historical Context:**\n\nTo understand why Google created Protobuf, consider the scale: by the mid-2000s, Google was processing billions of RPC calls per day across thousands of services. Even small inefficiencies compound dramatically:\n\n- A 1KB JSON message that could be 100 bytes in Protobuf wastes 900 bytes × 1 billion = **900 TB/day** in bandwidth\n- A 5ms JSON parsing overhead × 1 billion calls = **58 days of CPU time/day**\n- A missing field validation at runtime × 1% failure rate = **10 million failed requests/day**\n\nProtocol Buffers addressed all three concerns: smaller payloads, faster parsing, and compile-time type safety."},"type":"text"}],"titleType":"number","titleNumber":1},{"id":"proto3-specification","title":"The Proto3 Language Specification","content":[{"data":{"content":"Protocol Buffers has gone through several versions, with **proto3** being the current standard (released in 2016). Proto3 simplified many aspects of the language while maintaining backward compatibility. Let's explore the complete specification.\n\n**Basic Structure of a .proto File:**\n\nEvery `.proto` file follows a consistent structure: syntax declaration, package specification, imports, options, and then message/service definitions."},"type":"text"},{"data":{"code":"$71","fileName":"user_service.proto","language":"protobuf"},"type":"code"},{"data":{"content":"**Scalar Data Types:**\n\nProto3 provides a rich set of primitive types optimized for different use cases:"},"type":"text"},{"data":{"rows":[["double","Fixed 64-bit","0.0","64-bit IEEE 754 floating point"],["float","Fixed 32-bit","0.0","32-bit IEEE 754 floating point"],["int32","Varint","0","Variable-length, signed (inefficient for negative)"],["int64","Varint","0","Variable-length, signed (inefficient for negative)"],["uint32","Varint","0","Variable-length, unsigned"],["uint64","Varint","0","Variable-length, unsigned"],["sint32","Varint","0","Uses ZigZag encoding, efficient for negative"],["sint64","Varint","0","Uses ZigZag encoding, efficient for negative"],["fixed32","Fixed 32-bit","0","Always 4 bytes, efficient for values > 2^28"],["fixed64","Fixed 64-bit","0","Always 8 bytes, efficient for values > 2^56"],["sfixed32","Fixed 32-bit","0","Always 4 bytes, signed"],["sfixed64","Fixed 64-bit","0","Always 8 bytes, signed"],["bool","Varint","false","Boolean value"],["string","Length-delimited","empty string","UTF-8 encoded string"],["bytes","Length-delimited","empty bytes","Arbitrary byte array"]],"caption":"Proto3 Scalar Types Reference","headers":["Proto Type","Wire Type","Default Value","Notes"]},"type":"table"},{"data":{"icon":"AlertTriangle","title":"Choosing the Right Integer Type","content":"For negative numbers, always use `sint32`/`sint64` instead of `int32`/`int64`. Standard signed integers use two's complement, making negative values 10 bytes (max varint length). ZigZag encoding used by `sint` types maps negative numbers to positive ones, making -1 encode as 1 byte, -64 as 2 bytes, etc.","variant":"warning"},"type":"callout"}],"titleType":"number","titleNumber":2},{"id":"field-numbers-wire-format","title":"Field Numbers and the Wire Format","content":[{"data":{"content":"One of the most critical—and often misunderstood—aspects of Protocol Buffers is the **field number system**. Unlike JSON where field names are transmitted with every message, Protobuf uses numeric identifiers that are encoded directly into the binary format.\n\n**Field Number Rules:**\n\n1. **Field numbers must be unique within a message** (but can be reused across different messages)\n2. **Range 1-15** uses 1 byte for the tag (optimal for frequently used fields)\n3. **Range 16-2047** uses 2 bytes for the tag\n4. **Range 2048-2^29-1** uses 3+ bytes for the tag\n5. **Range 19000-19999** is reserved by Protobuf implementation\n6. **Once assigned, field numbers should NEVER change** (breaks backward compatibility)"},"type":"text"},{"data":{"code":"message OptimizedMessage {\n // Fields 1-15: Most frequently accessed fields (1-byte tag)\n string id = 1; // Almost always present and used\n int64 timestamp = 2; // Usually present\n string type = 3; // Frequently filtered on\n \n // Fields 16+: Less common fields (2-byte tag)\n string description = 16; // Optional in many cases\n map tags = 17; // Often empty\n \n // Reserved field numbers for removed fields (safety)\n reserved 100, 101, 102;\n reserved \"old_field_name\", \"deprecated_field\";\n}","fileName":"optimized_message.proto","language":"protobuf"},"type":"code"},{"data":{"content":"**Understanding the Wire Format:**\n\nTo truly master Protocol Buffers, you must understand how messages are encoded at the byte level. The wire format is surprisingly elegant.\n\nEvery field is encoded as a **tag-value pair**:\n\n```\n[field_number << 3 | wire_type][value_bytes]\n```\n\nThe tag packs the field number and wire type into a single varint. With 5 wire types (0-5), 3 bits encode the type, leaving remaining bits for the field number."},"type":"text"},{"data":{"rows":[["Varint","0","int32, int64, uint32, uint64, sint32, sint64, bool, enum","Variable-length integer"],["64-bit","1","fixed64, sfixed64, double","Fixed 8 bytes, little-endian"],["Length-delimited","2","string, bytes, embedded messages, packed repeated fields","Length prefix + data"],["Start group (deprecated)","3","groups (deprecated)","Deprecated in proto3"],["End group (deprecated)","4","groups (deprecated)","Deprecated in proto3"],["32-bit","5","fixed32, sfixed32, float","Fixed 4 bytes, little-endian"]],"caption":"Wire Types in Protocol Buffers","headers":["Wire Type","Value","Used For","Encoding"]},"type":"table"},{"data":{"code":"$72","fileName":"wire_format_example.ts","language":"typescript"},"type":"code"},{"data":{"icon":"Zap","title":"Why Field Numbers Matter for Performance","content":"Field numbers 1-15 fit in a single byte with the wire type. For a high-frequency field accessed billions of times, this 1-byte savings is significant. Always assign numbers 1-15 to your most commonly used fields—it's a free optimization with no downsides.","variant":"tip"},"type":"callout"}],"titleType":"number","titleNumber":3},{"id":"schema-evolution","title":"Schema Evolution and Backward Compatibility","content":[{"data":{"content":"In distributed systems, different services are often deployed at different times. A producer might be using schema version 5 while a consumer is still on version 3. Protocol Buffers is designed to handle this gracefully through **forward and backward compatibility**.\n\n**Compatibility Definitions:**\n\n- **Backward Compatible:** New code can read old data (newer reader, older writer)\n- **Forward Compatible:** Old code can read new data (older reader, newer writer)\n- **Full Compatibility:** Both backward and forward compatible\n\nProtobuf achieves full compatibility by design, as long as you follow the rules:"},"type":"text"},{"data":{"items":["**Add new fields** — Old readers ignore unknown fields; new readers use defaults for missing fields","**Remove fields (carefully)** — Mark as `reserved` to prevent accidental reuse; old data is still readable","**Rename fields** — Field numbers matter, not names; names are only for generated code","**Change singular to repeated** — New parsers read old singular as single-element list","**Add enum values** — Old parsers preserve unknown enum values numerically","**Promote field to oneof** — Use same field number within the oneof"],"title":{"icon":"CheckCircle","text":"Safe Schema Changes (Fully Compatible)","type":"icon","color":"primary","variant":"outline-circle"},"variant":"accent"},"type":"list"},{"data":{"items":["**Change a field number** — Old and new data become incompatible immediately","**Change a field type incompatibly** — e.g., int32 to string, message to scalar","**Remove a field and reuse the number** — Old data will be misinterpreted","**Change the meaning of a field** — Semantic incompatibility even if types match","**Remove enum values without reserving** — Risk of number reuse"],"title":{"icon":"XCircle","text":"Breaking Changes (NEVER Do These)","type":"icon","color":"destructive","variant":"outline-circle"},"variant":"glass"},"type":"list"},{"data":{"code":"$73","fileName":"schema_evolution.proto","language":"protobuf"},"type":"code"},{"data":{"icon":"AlertTriangle","title":"The Reserved Keyword is Critical","content":"When removing fields, ALWAYS use `reserved` for both the field number and name. Six months from now, a developer unfamiliar with the history might accidentally reuse field number 3 for a new purpose. Old messages in queues, logs, or databases would suddenly be misinterpreted, causing subtle data corruption.","variant":"warning"},"type":"callout"}],"titleType":"number","titleNumber":4},{"id":"code-generation","title":"The Code Generation Pipeline","content":[{"data":{"content":"Protocol Buffers transforms your `.proto` schema into fully typed, production-ready code through the `protoc` compiler. This generated code handles all serialization, deserialization, validation, and provides type-safe accessors.\n\n**The protoc Compiler:**\n\nThe Protocol Buffer compiler (`protoc`) is a native binary that parses `.proto` files and generates source code. Language-specific generation is handled by **plugins**—separate executables that `protoc` invokes."},"type":"text"},{"data":{"code":"#!/bin/bash\n# Comprehensive protobuf compilation script\n\n# Directory structure\nPROTO_DIR=\"./proto\"\nOUT_DIR=\"./generated\"\n\n# Compile for multiple languages\nprotoc \\\n --proto_path=${PROTO_DIR} \\\n --proto_path=./third_party/googleapis \\\n --go_out=${OUT_DIR}/go \\\n --go_opt=paths=source_relative \\\n --go-grpc_out=${OUT_DIR}/go \\\n --go-grpc_opt=paths=source_relative \\\n --java_out=${OUT_DIR}/java \\\n --python_out=${OUT_DIR}/python \\\n --js_out=import_style=commonjs:${OUT_DIR}/js \\\n --grpc-web_out=import_style=typescript,mode=grpcwebtext:${OUT_DIR}/js \\\n ${PROTO_DIR}/**/*.proto\n\n# For TypeScript (using ts-proto plugin)\nprotoc \\\n --plugin=./node_modules/.bin/protoc-gen-ts_proto \\\n --ts_proto_out=${OUT_DIR}/typescript \\\n --ts_proto_opt=outputEncodeMethods=true \\\n --ts_proto_opt=outputJsonMethods=true \\\n --ts_proto_opt=outputClientImpl=true \\\n --ts_proto_opt=useOptionals=messages \\\n ${PROTO_DIR}/**/*.proto","fileName":"compile_protobuf.sh","language":"bash"},"type":"code"},{"data":{"content":"**What Gets Generated:**\n\nFor each message, the generator produces a class (or equivalent) with:"},"type":"text"},{"data":{"code":"$74","fileName":"generated_user.ts","language":"typescript"},"type":"code"},{"data":{"icon":"Wrench","title":"Build System Integration","content":"In production, protobuf compilation is integrated into build systems (Bazel, Gradle, Make). The generated code is typically committed to version control to avoid requiring protoc on every developer machine. Treat `.proto` files as source of truth and generated code as build artifacts.","variant":"tip"},"type":"callout"}],"titleType":"number","titleNumber":5},{"id":"performance-analysis","title":"Performance Analysis: Why Protobuf is Fast","content":[{"data":{"content":"Protocol Buffers consistently outperforms JSON by a significant margin. Let's understand *why* through rigorous analysis of each performance dimension.\n\n**Serialized Size:**\n\nProtobuf's binary format eliminates the overhead inherent in text formats:"},"type":"text"},{"data":{"code":"$75","fileName":"size_comparison.ts","language":"typescript"},"type":"code"},{"data":{"content":"**Parsing Performance:**\n\nJSON parsing requires:\n1. **Tokenization** — Character-by-character scanning for quotes, braces, colons\n2. **String interning** — Creating string objects for every key\n3. **Type inference** — Determining if \"123\" is a string or number\n4. **Hash table construction** — Building object dictionaries\n\nProtobuf parsing requires:\n1. **Read tag** — Single varint decode\n2. **Switch on field number** — Direct jump, no string comparison\n3. **Decode value** — Known type, known encoding\n\nThe difference is typically **5-20x faster parsing** in benchmarks."},"type":"text"},{"data":{"rows":[["Serialization (simple)","45","8","5.6x"],["Serialization (nested)","120","15","8.0x"],["Deserialization (simple)","65","6","10.8x"],["Deserialization (nested)","180","12","15.0x"],["Round-trip (simple)","110","14","7.9x"],["Round-trip (nested)","300","27","11.1x"]],"caption":"Benchmark: 10,000 Message Serialization/Deserialization","headers":["Operation","JSON (ms)","Protobuf (ms)","Speedup"]},"type":"table"},{"data":{"content":"**Memory Allocation:**\n\nJSON parsing creates many intermediate objects:\n- String objects for every key name\n- Wrapper objects for numbers\n- Dynamic arrays that resize\n- Hash tables for objects\n\nProtobuf can deserialize into pre-sized, pre-typed structures with minimal allocations. Some implementations support zero-copy parsing where strings point directly into the input buffer.\n\n**CPU Cache Efficiency:**\n\nProtobuf's compact format means more data fits in L1/L2 cache. When deserializing 1000 users from JSON, you might thrash the cache repeatedly. With Protobuf, the same data might stay resident, dramatically improving throughput in tight loops."},"type":"text"},{"data":{"icon":"Gauge","title":"When Performance Matters","content":"For a typical web API called 100 times/second, JSON vs Protobuf is negligible. For internal microservice communication at 100,000 RPS, the savings compound: lower latency, reduced CPU, less network bandwidth, smaller infrastructure bills. Always measure for your specific use case.","variant":"note"},"type":"callout"}],"titleType":"number","titleNumber":6},{"id":"advanced-patterns","title":"Advanced Protocol Buffer Patterns","content":[{"data":{"content":"Beyond basic message definitions, Protocol Buffers supports sophisticated patterns for complex modeling scenarios.\n\n**Oneof Fields (Union Types):**\n\nWhen exactly one of several fields should be set, use `oneof`. This is compile-time enforced and optimizes memory."},"type":"text"},{"data":{"code":"$76","fileName":"advanced_patterns.proto","language":"protobuf"},"type":"code"},{"data":{"icon":"BookOpen","title":"Google's API Design Guide","content":"Google publishes comprehensive API design guidance for Protocol Buffers usage. Key recommendations: use singular resource names, standard method names (Get, List, Create, Update, Delete), and consistent field naming (snake_case). Following these patterns ensures consistency and interoperability.","variant":"tip"},"type":"callout"},{"data":{"content":"**Custom Options and Extensions:**\n\nProto files can include custom metadata through options, which are preserved in generated code and can be read at runtime."},"type":"text"},{"data":{"code":"import \"google/protobuf/descriptor.proto\";\n\n// Define custom options\nextend google.protobuf.FieldOptions {\n optional bool deprecated_in_v2 = 50000;\n optional string validation_regex = 50001;\n optional bool sensitive = 50002; // PII, don't log\n}\n\nextend google.protobuf.MessageOptions {\n optional string api_version = 51000;\n}\n\nmessage User {\n option (api_version) = \"v2\";\n \n string id = 1;\n string email = 2 [(validation_regex) = \"^[\\w.-]+@[\\w.-]+\\.\\w+$\"];\n string ssn = 3 [(sensitive) = true]; // Don't log this field\n string legacy_field = 4 [(deprecated_in_v2) = true];\n}","fileName":"custom_options.proto","language":"protobuf"},"type":"code"}],"titleType":"number","titleNumber":7},{"id":"summary","title":"Summary: Protocol Buffers Mastery","content":[{"data":{"content":"Protocol Buffers form the foundation upon which gRPC is built. Understanding Protobuf deeply is essential for designing robust, performant service contracts."},"type":"text"},{"data":{"type":"ordered","items":["**Protocol Buffers is a schema-driven binary serialization format** — Define contracts in `.proto` files, generate type-safe code for any language","**Field numbers are permanent identifiers** — They're encoded in the wire format; changing them breaks compatibility","**The binary wire format is compact and fast** — Varints, length-delimited strings, and no field names yield 5-10x size reduction","**Schema evolution is safe when done correctly** — Add fields freely, use `reserved` for removed fields, never reuse numbers","**Code generation provides type safety** — Compile-time errors catch mismatches; no runtime surprises","**Performance gains compound at scale** — Smaller messages, faster parsing, fewer allocations, better cache utilization","**Advanced patterns enable complex modeling** — Oneof for unions, Any for polymorphism, nested messages for composition"],"title":{"icon":"CheckCircle","text":"Key Takeaways","type":"icon","color":"primary","variant":"outline-circle"},"variant":"accent"},"type":"list"},{"data":{"content":"**What's Next:**\n\nWith Protocol Buffers as our data format, we're ready to explore **HTTP/2**, the transport protocol that unlocks gRPC's most powerful capabilities: multiplexing, bidirectional streaming, flow control, and header compression. The next page reveals why HTTP/2 was essential for building a truly modern RPC framework."},"type":"text"},{"data":{"icon":"CheckCircle","title":"Page Complete","content":"You now understand Protocol Buffers at both the specification and wire format level. You can design schemas that evolve safely, optimize field assignments for performance, and leverage advanced patterns for complex data models. This foundation is essential for mastering gRPC.","variant":"success"},"type":"callout"}],"titleType":"number","titleNumber":8}],"isLocked":false},{"id":"seed_8aeae7cd6f189e0c8af73b52513913f3","title":"HTTP/2: The Transport Revolution Enabling gRPC","order":1,"content":null,"isLocked":true},{"id":"seed_8a32a861342e80e8e4e9a29f2db1bd68","title":"Streaming Capabilities: Beyond Request-Response","order":2,"content":null,"isLocked":true},{"id":"seed_f354869bbcf0b61356b2fef706600e22","title":"REST vs gRPC: A Comprehensive Trade-off Analysis","order":3,"content":null,"isLocked":true},{"id":"seed_6e72b78b95b1d4a19e1540b86f94796f","title":"When to Use gRPC: Practical Decision Guidance","order":4,"content":null,"isLocked":true}]}},"dataUpdateCount":1,"dataUpdatedAt":1792309777780,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["learningContent","getModule"],{"input":{"slug":"grpc"},"type":"query"}],"queryHash":"[[\"learningContent\",\"getModule\"],{\"input\":{\"slug\":\"grpc\"},\"type\":\"query\"}]"},{"dehydratedAt":1792309777854,"state":{"data":{"json":null},"dataUpdateCount":1,"dataUpdatedAt":1792309777792,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["learningContent","getProgress"],{"input":{"moduleId":"seed_fd39bb2749b9f2157441c1e3a589cd74"},"type":"query"}],"queryHash":"[[\"learningContent\",\"getProgress\"],{\"input\":{\"moduleId\":\"seed_fd39bb2749b9f2157441c1e3a589cd74\"},\"type\":\"query\"}]"},{"dehydratedAt":1792309777854,"state":{"data":{"json":null},"dataUpdateCount":1,"dataUpdatedAt":1792309777792,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["feedback","get"],{"input":{"contentType":"LEARNING_PAGE","contentId":"seed_6e72b78b95b1d4a19e1540b86f94796f"},"type":"query"}],"queryHash":"[[\"feedback\",\"get\"],{\"input\":{\"contentId\":\"seed_6e72b78b95b1d4a19e1540b86f94796f\",\"contentType\":\"LEARNING_PAGE\"},\"type\":\"query\"}]"},{"dehydratedAt":1792309777854,"state":{"data":{"json":null},"dataUpdateCount":1,"dataUpdatedAt":1792309777792,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["feedback","getUserLike"],{"input":{"contentType":"LEARNING_PAGE","contentId":"seed_6e72b78b95b1d4a19e1540b86f94796f"},"type":"query"}],"queryHash":"[[\"feedback\",\"getUserLike\"],{\"input\":{\"contentId\":\"seed_6e72b78b95b1d4a19e1540b86f94796f\",\"contentType\":\"LEARNING_PAGE\"},\"type\":\"query\"}]"},{"dehydratedAt":1792309777854,"state":{"data":{"json":[]},"dataUpdateCount":1,"dataUpdatedAt":1792309777792,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["highlights","getHighlights"],{"input":{"contentType":"LEARNING_PAGE","contentId":"seed_6e72b78b95b1d4a19e1540b86f94796f"},"type":"query"}],"queryHash":"[[\"highlights\",\"getHighlights\"],{\"input\":{\"contentId\":\"seed_6e72b78b95b1d4a19e1540b86f94796f\",\"contentType\":\"LEARNING_PAGE\"},\"type\":\"query\"}]"},{"dehydratedAt":1792309777854,"state":{"data":"$undefined","dataUpdateCount":0,"dataUpdatedAt":0,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"pending","fetchStatus":"fetching"},"queryKey":[["highlights","getPopularHighlights"],{"input":{"contentType":"LEARNING_PAGE","contentId":"seed_6e72b78b95b1d4a19e1540b86f94796f","minCount":2},"type":"query"}],"queryHash":"[[\"highlights\",\"getPopularHighlights\"],{\"input\":{\"contentId\":\"seed_6e72b78b95b1d4a19e1540b86f94796f\",\"contentType\":\"LEARNING_PAGE\",\"minCount\":2},\"type\":\"query\"}]","promise":"$@77"}]},"children":"$L78"}]