Database Scaling Patterns: Read Replicas and Sharding

Issue #83: System Design Interview Roadmap

📋 What We'll Master Today

• Read Replica Architecture: 3x throughput gains with hidden consistency trade-offs

• Sharding Strategies: 4x scaling through geographic data distribution

• Production Insights: Netflix, Instagram, Discord's real-world implementations

• Performance Analysis: Live benchmarking with chaos engineering

• Hands-On Demo: Complete 7-service scaling environment you'll build