Mike Chen's Internet Architecture

Dec 15, 2025 · Backend Development

Eliminate Nginx Thundering Herd: Mutex, ReusePort, Multi_Accept & KeepAlive

This article explains the thundering herd problem in Nginx when many workers compete for new connections and provides four practical solutions—accept_mutex, reuseport, multi_accept, and keepalive_timeout—along with configuration examples to improve high‑concurrency performance.