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Sep 13, 2026 · Backend Development

Java CPU 100% Spike: Complete Production Troubleshooting & Root Cause Analysis

This article provides a comprehensive guide to troubleshooting Java CPU 100% spikes in production, covering root cause categories, a standard SOP using top, jstack, and thread analysis, a real-world infinite loop case study, GC-related CPU issues, emergency mitigation steps, and long-term prevention practices.