October 21 post-incident analysis (via) Legitimately fascinating post-mortem by GitHub. They run database masters in multiple data centers with raft for leader election... but when they had an unexpected network split between east and west coast they ended up with several seconds of write that had not been correctly replicated. Cleaning up the resulting mess took the best part of 24 hours! Distributed systems are hard.
Recent articles
- OpenAI DevDay 2025 live blog - 6th October 2025
- Embracing the parallel coding agent lifestyle - 5th October 2025
- Designing agentic loops - 30th September 2025