MaGe Linux Operations

Oct 7, 2026 · Operations

Troubleshooting CPU Spikes: From System Metrics to Code-Level Root Cause Analysis

A comprehensive guide to diagnosing CPU spikes on Linux servers, covering system-level analysis with top/vmstat, process/thread identification via ps/pidstat, stack tracing with jstack/perf/py-spy, container/Kubernetes resource limits, and real-world case studies including regex bottlenecks, cron job spikes, and CPU throttling.