DevOps Coach

Jan 21, 2026 · Operations

How I Turned a 3‑Day Latency Nightmare into a 30‑Second Debugging Tool

After a late‑night PagerDuty alert revealed a p95 latency over 5 seconds despite normal CPU, memory, and database metrics, the author spent three days tracing the issue to a tiny thread‑pool configuration, then built an open‑source CLI that automates the entire diagnosis in seconds.