Twitter, an Evolving Architecture. The most detailed write-up of Twitter’s current architecture I’ve seen, explaining the four layers of cache (all memcached) used by the Twitter API.
Recent articles
- Introducing gisthost.github.io - 1st January 2026
- 2025: The year in LLMs - 31st December 2025
- How Rob Pike got spammed with an AI slop "act of kindness" - 26th December 2025