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Debugging with Logs Basics
Use logs to diagnose problems fast
This guide covers effective debugging with logs: ensure logs include request IDs and key context, search by time windows, correlate across services, and turn findings into fixes and better observability.
- debugging
- logs
- request id
- observability
- troubleshooting
Start with time and scope
Identify when the issue started and which users/requests are affected to narrow the search window.
Use correlation IDs
Trace a single request across services using request_id/trace_id fields.
Look for patterns
Compare failing vs successful requests to spot differences in inputs, code paths, or dependencies.
Improve logs after
Add missing fields or better error messages and create an alert/runbook for repeats.