Efficient Ops

Sep 17, 2024 · Operations

Master Linux Performance: CPU, Memory, IO, and Flame Graphs for Nginx Troubleshooting

This guide explains how to diagnose Linux performance bottlenecks—CPU, memory, disk I/O, network, and system load—using tools such as top, vmstat, perf, and flame graphs, and demonstrates a real‑world Nginx case study to pinpoint high‑CPU JSON parsing and upstream latency issues.