Building Resilient Systems: Lessons from the Field
After running production systems at scale for the past year, we’ve learned a lot about building systems that don’t just work—they recover gracefully when things go wrong. The Philosophy Resilience isn’t about preventing failures. It’s about designing systems that expect failures and keep running anyway. Key Principles 1. Fail Fast, Fail Open When something goes wrong, surface it immediately. Don’t hide errors behind silent failures. 2. Assume Network Partitions Networks are unreliable. Design your services to handle timeouts and retries gracefully. ...