读写分离

upstream hbwx_read {
       #ip_hash;
       server 192.168.7.53:18080 weight=2 max_fails=5 fail_timeout=2;
    }

    upstream hbwx_write {
    #ip_hash;
        server 192.168.6.203:11000 weight=2 max_fails=10 fail_timeout=2;
    #server 127.0.0.1:8080 backup;
    }

    server {
        listen       80;
        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        location / {
            root   html;
            index  index.html index.htm;
        }


        location ~ ^/1[0-9][0-9]/ {
            proxy_redirect off;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_pass http://hbwx_read;
        }

        location ~ ^/hbwx/wsdc/(addOrderCart|paySaleOrder|addSaleOrder).do$ {
            proxy_redirect off;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_pass http://hbwx_write;
        }

        location ~ ^/hbwx/ {
            #echo "match hbwexin first";
            proxy_redirect off;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_pass http://hbwx_read;
        }


        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }

        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        #location ~ /\.ht {
        #    deny  all;
        #}
    }