Back to writing

Topic - Observability

Observability writing.

Field notes on metrics, logs, traces, alerting, and the places where clean dashboards can hide production reality.

2026-03-28When one Prometheus recording rule hid the regressionThe dashboard was green because the query was polite. Production was not.Observability7 min

2026-05-21How to read p99 latency during a partial outageA concrete p99 latency troubleshooting sequence for partial outages where averages look calm and real users are still waiting.Observability9 min