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System Design

From request paths and data models to streaming, coordination, failure recovery and ten design workshops.

1Requirements and communication

Start here — System Design~8 min read System Design Fundamentals~25 min read Networking, Proxies & Edge Delivery~15 min read API Design~25 min read Identity, JWTs & System Security~15 min read Load Balancing~25 min read

2Data and scaling

Databases at Scale~25 min read Caching~25 min read Scalability~25 min read Storage Engines, Search & Geospatial Design~15 min read

3Events and correctness

Message Queues~25 min read Kafka & Event Streaming~45 min + labs Real-time Communication & Webhooks~15 min read Transactions, CDC & Data Correctness~15 min read Consensus, Clocks & Distributed Locking~15 min read

4Operate and practice

Microservices~25 min read Reliability, Overload & Disaster Recovery~15 min read Observability, Concurrency & Performance~15 min read Real-World Designs~25 min read System Design Workshops & Interview Review~15 min read