nginx 负载均衡配置

#user nginx;

worker_processes  1;

error_log  /var/log/nginx/7dgroup-nginx_error.log warn;

pid        /var/run/nginx.pid;

events {

    worker_connections 2024 ;

}

http {

      include      mime.types;

      default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '

                      '$status $body_bytes_sent $request_time $upstream_response_time';

    log_format json_log '{"client_ip":"$remote_addr","local_time":"$time_local","request":"$request","status":"$status","body_bytes_sent":"$body_bytes_sent","http_x_forwarded_for":"$http_x_forwarded_for","upstream_addr":"$upstream_addr","upstream_response_time":"$upstream_response_time","request_time":"$request_time"}';

    access_log  /var/log/nginx/nginx_access.log  json_log;

    sendfile        on;

    #tcp_nopush    on;

#    keepalive_timeout  65;

    #gzip  on;

    upstream blog_test {

        server 49.232.175.137:9001 weight=10 max_fails=2 fail_timeout=30s;

  #      server 172.17.211.143:9004 weight=10 max_fails=2 fail_timeout=30s;

keepalive 30;

  #      server 172.17.211.144:9004 weight=2 max_fails=2 fail_timeout=30s;

        #设置持久连接时间。

    }

  server {

    listen      80;

    server_name  localhost;

    #charset koi8-r;

    #access_log  /var/log/nginx/log/host.access.log  main;

    location / {

        #root  /usr/share/nginx/html;

        #index  index.html index.htm;

proxy_http_version 1.1;

        #开启对http1.1支持

        proxy_set_header Connection "";

        #设置Connection为空串,以禁止传递头部到后端

        #keepalive 10;

proxy_pass http://blog_test;     

    }

    #error_page  404              /404.html;

    # redirect server error pages to the static page /50x.html

    #

    error_page  500 502 503 504  /50x.html;

    location = /50x.html {

        root  /usr/share/nginx/html;

    }

    # proxy the PHP scripts to Apache listening on 127.0.0.1:80

    #

    #location ~ \.php$ {

    #    proxy_pass  http://127.0.0.1;

    #}

    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000

    #

    #location ~ \.php$ {

    #    root          html;

    #    fastcgi_pass  127.0.0.1:9000;

    #    fastcgi_index  index.php;

    #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;

    #    include        fastcgi_params;

    #}

    # deny access to .htaccess files, if Apache's document root

    # concurs with nginx's one

    #

    #location ~ /\.ht {

    #    deny  all;

    #}

}

}