centos 6.5

nginx 1.4.4

/etc/nginx/conf.d 下创建tornado.conf    

upstream tornado {

        server 127.0.0.1:8887;

        server 127.0.0.1:8888;

        server 127.0.0.1:8889;

    }

    server {

        listen 8090;

        location / {

            proxy_pass_header Server;

            proxy_set_header Host $http_host;

            proxy_set_header X-Real-IP $remote_addr;

            proxy_set_header X-Scheme $scheme;

            proxy_pass http://tornado;

        }

    }