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

0 likes · 12 min read

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

macrozheng

Nov 3, 2020 · Backend Development

Understanding Java Thread Pools Through a Story Analogy

This article uses a vivid workplace story to explain thread pools, covering core threads, blocking queues, non‑core threads, idle keep‑alive time, and saturation policies, and includes a workflow diagram and Java source snippet for clear comprehension.

Core ThreadsJavaThread Pool

0 likes · 9 min read

Understanding Java Thread Pools Through a Story Analogy