Oct 3, 2026 · Backend Development

NetEase Interview: Debugging 900% CPU Spikes in MySQL and Java Processes

This article details systematic troubleshooting for 900% CPU spikes in MySQL and Java processes, covering top/jstack diagnostics, show processlist analysis, index optimization, cache integration, and fixing busy-wait loops with BlockingQueue.take(), illustrated through real production case studies.

CPU troubleshootingJava thread analysisMySQL performance tuning

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NetEase Interview: Debugging 900% CPU Spikes in MySQL and Java Processes