负载均衡

  www.s135.com 和 blog.s135.com 域名均指向 Nginx 所在的服务器IP。

  用户访问http://www.s135.com,将其负载均衡到192.168.1.2:80192.168.1.3:80192.168.1.4:80192.168.1.5:80四台服务器。

  用户访问http://blog.s135.com,将其负载均衡到192.168.1.7服务器的8080、8081、8082端口。

  以下为配置文件nginx.conf:

引用
user  www www;

worker_processes 10;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;

#最大文件描述符
worker_rlimit_nofile 51200;

events 
{
      use epoll;

      worker_connections 51200;
}

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

      keepalive_timeout 120;

      tcp_nodelay on;

      upstream  www.s135.com  {
              server   192.168.1.2:80;
              server   192.168.1.3:80;
              server   192.168.1.4:80;
              server   192.168.1.5:80;
      }

      upstream  blog.s135.com  {
              server   192.168.1.7:8080;
              server   192.168.1.7:8081;
              server   192.168.1.7:8082;
      }

      server
      {
              listen  80;
              server_name  www.s135.com;

              location / {
                       proxy_pass        http://www.s135.com;
                       proxy_set_header   Host             $host;
                       proxy_set_header   X-Real-IP        $remote_addr;
                       proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
              }

              log_format  www_s135_com  '$remote_addr - $remote_user [$time_local] $request '
                                '"$status" $body_bytes_sent "$http_referer" '
                                '"$http_user_agent" "$http_x_forwarded_for"';
              access_log  /data1/logs/www.log  www_s135_com;
      }

      server
      {
              listen  80;
              server_name  blog.s135.com;

          

        proxy_connect_timeout 1;#防止一台死掉请求很慢
        proxy_send_timeout 1;
        proxy_read_timeout 1;


              location / {
                       proxy_pass        http://blog.s135.com;
                       proxy_set_header   Host             $host;
                       proxy_set_header   X-Real-IP        $remote_addr;
                       proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
              }

              log_format  blog_s135_com  '$remote_addr - $remote_user [$time_local] $request '
                                '"$status" $body_bytes_sent "$http_referer" '
                                '"$http_user_agent" "$http_x_forwarded_for"';
              access_log  /data1/logs/blog.log  blog_s135_com;
      }
}

    

附:Nginx 的安装方法可参照《Nginx 0.5.31 + PHP 5.2.4(FastCGI)搭建可承受3万以上并发连接数,胜过Apache 10倍的Web服务器》文章的以下段落(仅做负载均衡,无需支持PHP的安装方法):

 二、安装PHP 5.2.4(FastCGI模式)   4、创建www用户和组,以及其使用的目录:

 三、安装Nginx 0.5.31   1、安装Nginx所需的pcre库:   2、安装Nginx   3、创建Nginx日志目录   5、启动Nginx

posted @ 2013-09-09 13:51  zenghansen  阅读(159)  评论(0编辑  收藏  举报