4、 Load balancing and dynamic static separation

 The client sends a request to the server , Server processing request , There may be some need to interact with the database .

1、 Load balancing

 A single server can't solve , Increase the number of servers , Distribute requests to servers , Instead of centralizing requests to a single server, distribute them to multiple servers , Distribute the load to multiple servers .

2、 Dynamic and static separation

advantage

 In order to speed up the analysis of the website , Dynamic pages and static pages are parsed by different servers , Speed up parsing , Reduce the pressure of the original single server .

Before

： Deploy both static and dynamic resources to tomcat On .

improvement

Add a static resource server