Playground · System Design Atlas

atlas/sysdesign

Read in order. Each builds on the last.

01Foundations 02Data Storage 03Consistency and Distributed Systems 04Caching 05Async Messaging and Event-Driven Architecture 06Fan-out, Feeds and Timelines 07APIs and Real-Time Communication 08Reliability and Operations 09Specialized Building Blocks 10The Interview Playbook

Ranked by how often they come up.

01Twitter / Instagram Feed 02Chat / Slack 03URL Shortener 04Distributed Rate Limiter 05Notification System 06Search and Typeahead 07Uber / Delivery Tracking 08Video Streaming 09Web Crawler 10Payment System 11Ticketmaster / Booking 12Dropbox / File Sync 13Ad Click Aggregation 14Distributed Cache 15Google Docs

One page per system. What it is, and when to reach for it.

01PostgreSQL 02Redis 03Memcached 04Cassandra 05DynamoDB 06Elasticsearch 07OLAP stores 08Kafka 09Flink 10Object storage 11CDN 12API gateway 13WebSockets 14gRPC 15ZooKeeper

Index/Playground

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