Logs tell you what happened in one service. Metrics tell you how often it happened. Traces tell you how a single request moved through fifteen services and where it lost three seconds. Here's how I roll out OpenTelemetry in production -- instrumentation, sampling, the collector pipeline, and the gotchas that bite teams in week two.
Engineering Craft
TypeScript, CI/CD, databases, observability -- the skills that make code production-ready.
