system-design-primer

Learn the key differences between reverse proxies and load balancers. Discover how reverse proxies secure and optimize access, while load balancers ensure scalability and fault tolerance for your applications.

Learn how to scale a system to millions of users on AWS with this step-by-step architectural guide. Discover strategies for incremental growth and robust performance.

Learn LRU cache implementation with object-oriented Python. Achieve O(1) retrieval and insertion using a hash map and doubly-linked list, with automatic eviction.

Design Amazon's sales ranking by category feature using MapReduce and a REST API. Learn to handle 100 billion monthly reads efficiently with a complete system design guide.

Master back-of-the-envelope calculations for system design. Learn to estimate requirements, performance, and cost quickly without coding. Essential guide for engineers.

Master CDN integration and effective caching strategies for global content delivery. Learn how CDNs speed up latency and reduce server load for seamless worldwide access.

Learn to design a high-performance key-value store using in-memory caching, consistent hashing, and durable persistence. Explore essential architecture and implementation details for massive scalability and fault tolerance.

Understand horizontal vs vertical scaling pros cons architectural trade-offs. Learn which scaling method is best for your system design.

Understand strong, eventual, and weak consistency patterns in distributed systems. Learn how each guarantees data accuracy and when to apply them for optimal performance.

Design an efficient social network data structure using sharded graph storage and BFS traversal for sub-second user connection path querying across distributed servers.

Explore microservices architecture patterns and service discovery methods. Learn how to build scalable, resilient systems with technologies like Consul etcd and Zookeeper.

Learn to design a scalable web crawler with our architecture and implementation guide. Discover how to handle billions of pages using a distributed queue-based system.