nginx上游是什么意思？ [英] What does upstream mean in nginx?

问题描述

upstream app_front_static {
    server 192.168.206.105:80;
}

从来没有见过，任何人都知道，这是什么意思？

Never seen it before, anyone knows, what it means?

推荐答案

它用于代理对其他服务器的请求。

It's used for proxying requests to other servers.

href =http://wiki.nginx.org/LoadBalanceExample> http://wiki.nginx.org/LoadBalanceExample 是：

An example from http://wiki.nginx.org/LoadBalanceExample is:

http {
  upstream myproject {
    server 127.0.0.1:8000 weight=3;
    server 127.0.0.1:8001;
    server 127.0.0.1:8002;    
    server 127.0.0.1:8003;
  }

  server {
    listen 80;
    server_name www.domain.com;
    location / {
      proxy_pass http://myproject;
    }
  }
}

请转到XXX上游列出的任何服务器，并选择端口8000。

This means all requests for / go to the any of the servers listed under upstream XXX, with a preference for port 8000.

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