Nginx的Upstream负载均衡与反向代理的配置

http{  
    #...  
    upstream backend{  
        server x.x.x.x:x weight=2 max_fails=3;  
        server www.xxx.com weight=1;  
        server unix://xxx/xxx;  
        #...  
    }  
    server {
        location / {
            proxy_pass http://backend;         }
    }
    #...  
}

http {
    include       mime.types;
    default_type  application/octet-stream;

    upstream  server_pool {
        server 192.168.0.3:8000;
        #server 115.238.73.175:8000;
    }

    server {
        listen       8000;
        server_name  localhost;
        #server_name_in_redirect  on;

        location /test{
        access_log logs/test.access.log;
        error_log logs/test.error.log info;

        proxy_pass  http://server_pool;
        #Proxy Settings
        #proxy_set_header   Host             $host:$server_port;
        #proxy_set_header   X-Real-IP        $remote_addr;
        #proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
        }
    }
}