Nginx 负载均衡在金山逍遥网中的实际应用

在金山逍遥网中，前端负载均衡服务器采用的是Nginx，两台Nginx服务器为一组，承担多种类型的负载均衡服务，两台负载均衡服务器均处于活动状态，各自绑定一个公网虚拟IP，作为负载均衡服务器，当其中一个发生故障时，另一台接管发生故障服务器的虚拟IP。配置nginx.conf代码如下

代码：

user www www;
work_processes 8;
error_log /data1/logs/nginx_error.log crit;
pid /usr/local/webserver/nginx/nginx.pid;

#specifies the value for maximum file descriptors that can be opened by this process worker_rlimit_nofile 51200

events
{
    use epoll;
    worker_connections 51200;
}

http
{
    include    mine.types;
    default_type  application/octet-strem;

#charset utf-8

server_names_hash_bucket_size 128k;
    client_header_buffer_size  32k;
    large_client_header_buffers 4 32k;

sendfile on;
    #tcp_nopush on;

keepalive_timeout 30;
    tcp_nodelay on;

fastcgi_connect_timeout  300;
    fastcgi_send_timeout 300;
    fastcgi_read_timeout 300;
    fastcgi_buffer_size 64k;
    fastcgi_buffers 4 64k;
    fastcgi_busy_buffers_size  128k;
    fastcgi_temp_file_write_size  128k;

gzip on;
    gzip_min_length 1k;
    gzip_buffers  4 16k;
    gzip_http_version 1.1
    gzip_comp_level 2;
    gzip_types  text/plain  application/x-Javascript  text/css  application/xml;
    gzip_vary on;

limit_zone anti_attack $binary_remote_addr 10m;

#允许客户端请求的最大单文件字节数
    client_max_body_size 300m;

#缓冲区代理缓冲用户端的最大字节数 可以理解为现存到本地再传给用户
    client_body_size 128k;

#跟后端服务器连接的超时时间_发起握手等候响应超时时间
    proxy_connect_time 600;

#连接成功后_等待后端服务器响应时间_其实已经进入后端的派对等候处理
    proxy_read_timeout  600;

#后端回传时间_规定时间内传完所有数据
    proxy_send_timeout  600;

#代理请求缓存区，保存用户的头信息以供Nginx进行规则处理
    proxy_buffer_size  16k;
    proxy_buffers  4  32k;
    proxy_busy_buffers_size  64k;
    proxy_temp_file_write_size 64k;

#缓存
    proxy_temp_path /data2/proxy_temp_path;
    proxy_cache_path  /data2/proxy_cache_path levels=1:2 keys_zone=cache_one:200m inactive=1d max_size=5;

upstream myserver_pool{
        server xx.xx.xx.1:80 weight=1 max_fails=2 fail_timeout=30s;
        server xx.xx.xx.2:80 weight=1 max_fails=2 fail_timeout=30s;
        server xx.xx.xx.3:80 weight=1 max_fails=2 fail_timeout=30s;
    }

upstream php_server_pool{
        server xx.xx.xx.4:80 weight=1 max_fails=2 fail_timeout=30s;
        server xx.xx.xx.5:80 weight=1 max_fails=2 fail_timeout=30s;
        server xx.xx.xx.6:80 weight=1 max_fails=2 fail_timeout=30s;
        server xx.xx.xx.7:80 weight=1 max_fails=2 fail_timeout=30s;
        server xx.xx.xx.8:80 weight=1 max_fails=2 fail_timeout=30s;
    }

upstream bbs_server_pool{
        ip=hash;
        server xx.xx.xx.9:80 max_fails=2 fail_timeout=30s;
        server xx.xx.xx.10:80 max_fails=2 fail_timeout=30s;
        server xx.xx.xx.11:80 max_fails=2 fail_timeout=30s;
        server xx.xx.xx.12:80 max_fails=2 fail_timeout=30s;
    }

upstream cms_server_pool{
        server xx.xx.xx.13:80 weight=1 max_fails=2 fail_timeout=30s;
        server xx.xx.xx.14:80 weight=1 max_fails=2 fail_timeout=30s;
    }

upstream pic_server_pool{
        server xx.xx.xx.15:80 weight=1 max_fails=2 fail_timeout=30s;
        server xx.xx.xx.16:80 weight=1 max_fails=2 fail_timeout=30s;
    }

upstream xoyohimsg_server_pool{
        server xx.xx.xx.17:3245;
        server xx.xx.xx.18:3245 down;
    }

#xoyo.com域名调转到

server
    {
        listen 80;
        server_name xiyo.com;

rewrite ^/(.*) http:xoyo.com/ permanent;

acces_log /data1/logs/xoyo.com_access.log;
    }

#用户中心HTTP/SSL加密浏览
    server
    {
        listen 443;
        server_name my.xoyo.com

ssl on;
        ssl_cretificate  my.xoyo.com.crt;
        ssl_cretificate_key my.xoyo.com.key;