System optimization method

1, Deploy services to different servers by sub domain name

2, Use reverse proxy ,http Server load balancing

3, Use memcache or redis Isostorage session data , Realize multi server contribution
3, It is widely used in the program redis Caching speeds response ,redis It can also be used as a queue , Locks, etc.
4,MySQL Using read write separation , Sub database and sub table , Transfer old data regularly , Add the appropriate index , Appropriate redundancy when designing tables , Try to avoid linked table queries
5, Use CDN cache css,js, Static resources such as pictures
6, Use xdebug Analyze program performance and optimize for
To be added ...


The resources that a server can provide are limited , Learn to spread stress across multiple servers