Java High-Performance Architecture

Aug 12, 2015 · Backend Development

Why Nginx Outperforms Apache: A Deep Dive into Select vs Epoll I/O Models

An in‑depth comparison reveals how Nginx’s epoll‑based I/O model delivers higher concurrency, better efficiency, reduced memory copying, and non‑blocking operation, while Apache’s traditional select model is limited by FD_SETSIZE, linear scanning, and greater kernel‑user space copying overhead.