Let’s DO this: detecting Workers Builds errors across 1 million Durable Objects

What this post added

This post details the development of an automated error detection system for Cloudflare Workers Builds, a CI/CD product built on the Workers platform. It addresses the challenge of identifying and categorizing build failures by analyzing logs stored across over a million Durable Objects. The system uses Workers Queues to process build logs, static patterns, and normalized log lines to detect and group errors, enabling proactive fixes and improving the reliability of the Workers Builds product. It also highlights the 'Customer Zero' approach by using the Developer Platform to build and monitor its own services.