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Nginx is a high-performance Web and reverse proxy server, which has many very superior features:
As a Web server: Compared with Apache, Nginx uses fewer resources and supports more concurrent connections , reflecting higher efficiency, which makes Nginx especially popular with virtual host providers. Able to support responses of up to 50,000 concurrent connections, thanks to Nginx for choosing epoll and kqueue as the development model.
As a load balancing server: Nginx can directly support Rails and PHP internally, and can also support external use as an HTTP proxy server Perform services. Nginx is written in C, and its system resource overhead and CPU usage efficiency are much better than Perlbal.
As a mail proxy server: Nginx is also a very good mail proxy server (one of the first purposes of developing this product is also as a mail proxy server), Last.fm describes the successful and wonderful use experience.
Nginx is very simple to install, the configuration file is very concise (it can also support perl syntax), and the server has very few bugs: Nginx is particularly easy to start and can run almost 24/7, even if it runs for several months. A restart is required. You can also upgrade the software version without interrupting service.
Detailed source reference: http://www.nginx.cn/nginxchswhyuseit
The above introduces why we choose Nginx, including the relevant aspects. I hope it will be helpful to friends who are interested in PHP tutorials.