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Your API Just Threw a 500. Here's How to Actually Fix It.
3 AM. Your Phone Buzzes. Your API is throwing 500 errors. You're groggy. You SSH into the server and see: Error: Cannot read property 'userId' of...
apmdebugging
Engineering insights on observability, distributed tracing, and production debugging.
3 AM. Your Phone Buzzes. Your API is throwing 500 errors. You're groggy. You SSH into the server and see: Error: Cannot read property 'userId' of...
The Real Cost of Going Blind You're a freelancer. Your client's app is in production. 3 AM on Sunday, their error alerts go off. Something's slow...

OpenTelemetry is the industry standard for observability, providing a unified way to collect telemetry data (traces, metrics, and logs) from your...

Observability definition in modern software engineering: Observability is the ability to understand the internal state of a system by examining its...