The internal implementation of redis uses epoll, using epoll + a simple event framework implemented by itself. Read, write, close and connect in epoll are all converted into events, and then use the multiplexing feature of epoll to never waste any time on io
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
The internal implementation of redis uses epoll, using epoll + a simple event framework implemented by itself. Read, write, close and connect in epoll are all converted into events, and then use the multiplexing feature of epoll to never waste any time on io