Server troubleshooting

Efficient Ops

Jul 8, 2024 · Operations

How to Diagnose and Fix High CPU Usage in Java Data Platforms

This article walks through a real‑world incident where a data‑platform server showed near‑100% CPU usage, explains step‑by‑step investigation using top, pwdx, and jstack, identifies a time‑conversion utility as the root cause, and presents a streamlined script‑based solution that reduced CPU load by thirtyfold.