System DesignContents Introduction to System Design SD Client Server Architecture System Design Core Metrics SD Databases SQL vs NoSQL System Design Capacity Estimation Core Components System Design Caching System Design Load Balancing SD Content Delivery Network CDN System Design API Design and REST SD Message Queues and Async Processing SD Microservices Architecture System Design API Gateway System Design Database Indexing Data & Consistency SD Data Partitioning and Sharding SD Replication and Data Consistency System Design CAP Theorem System Design Consistent Hashing Reliability & Security SD Rate Limiting and Throttling Security in System Design System Design Fault Tolerance System Design Monitoring Advanced Design System Design Event Driven Architecture System Design Scalability Patterns System Design Real World Case Studies