Mike Chen's Internet Architecture
Jun 22, 2026 · Operations
How to Tune Nginx Kernel Parameters for Up to 10× Performance Boost
The article walks through a step‑by‑step Nginx performance tuning guide, covering worker_processes and worker_connections settings, Linux file‑descriptor limits, sysctl tweaks such as net.core.somaxconn and tcp_max_syn_backlog, explicit listen backlog, and zero‑copy sendfile with tcp_nopush/tcp_nodelay to dramatically increase throughput and lower CPU usage.
High concurrencyPerformance TuningZero‑copy
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