System Design guide
System Design Fundamentals
A plain-English guide to system design — scalability, load balancers, reverse proxies, CDNs, caching at scale, database replication and sharding, message queues, and event-driven architecture. No hype.
9 lessons·≈ 1 hr read·Free, no account
- 01Scalability Explained: Handling More Without Falling OverIntermediate·9 min
- 02Load Balancers: Spreading Traffic Across ServersIntermediate·8 min
- 03Reverse Proxies: The Smart Front Door for Your ServersIntermediate·8 min
- 04Content Delivery Networks (CDNs): Speed by ProximityIntermediate·8 min
- 05Caching at Scale: Distributed Caches and Their PitfallsAdvanced·9 min
- 06Database Replication: Copies for Scale and SurvivalAdvanced·9 min
- 07Database Sharding: Splitting Data to Scale WritesAdvanced·9 min
- 08Message Queues: Decoupling Services at ScaleIntermediate·8 min
- 09Event-Driven Architecture: Systems That React to EventsAdvanced·9 min