System Design Interview: Microservices Architecture & Patterns (CQRS, Saga, Strangler)

Ace your next System Design Interview by mastering the most critical Microservice Design Patterns. In this complete High Level Design (HLD) guide, we break down how to handle distributed data, scale efficiently, and migrate from a monolith at top product-based companies. 🕐 Chapters 00:00 Introduction & What We'll Cover 00:09 Problems When Breaking Monolith into Microservices 03:53 Strangler Pattern — Migrating Monolith to Microservices 07:44 Data Management in Microservices 08:12 Shared Database vs Database per Service 10:48 SAGA Design Pattern 14:50 ACID Property — Why It Matters in Distributed Systems 16:42 SAGA in Action — Real World Example 19:20 Choreography vs Orchestration 22:35 Interview Question Walkthrough (SAGA) 24:43 CQRS — Command Query Responsibility Segregation 26:59 Wrap Up 📌 Previous Video: Microservices vs Monolith + Decomposition Pattern 👉 Watch that first if you haven't — it sets up this video perfectly:    • System Design Interview: Microservices vs ...   #Microservices #SystemDesign #SystemDesignInterview #SoftwareArchitecture #SAGAPattern #CQRS #StranglerPattern #HighLevelDesign