Nginx实例之集群

upstream weightTest{ 
      server 10.0.0.77 weight=5; 
      server 10.0.0.88 weight=10; 
}

upstream hashTest{ 
      ip_hash; 
      server 10.0.0.10:8080; 
      server 10.0.0.11:8080; 
}

upstream bakend{ #定义负载均衡设备的Ip及设备状态 
      ip_hash; 
      server 10.0.0.11:9090 down; 
      server 10.0.0.11:8080 weight=2; 
      server 10.0.0.11:6060 max_fails=3 fail_timeout=30s; #最大失败次数为 3，也就是最多进行 3 次尝试，且超时时间为 30秒。max_fails 的默认值为 1，fail_timeout 的默认值是 10s  
}

http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;
    upstream web{    # 名为web的反向代理群组
        server 192.168.31.42;
        server 192.168.31.43;
    }
    server {
        listen       80;
        server_name  localhost;
        location / {
            proxy_pass http://web;   # 去找反向代理
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
}