user  www www;

worker_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       mime.types;
 default_type  application/octet-stream;

 #charset  utf-8;
     
 server_names_hash_bucket_size 128;
 client_header_buffer_size 32k;
 large_client_header_buffers 4 32k;
     
 sendfile on;
 #tcp_nopush     on;

 keepalive_timeout 30;

 tcp_nodelay on;
 
 #注：fastcgi_temp_path和fastcgi_cache_path指定的路径必须在同一分区
 fastcgi_temp_path /data0/fastcgi_temp_path;
 #设置Web缓存区名称为cache_one，内存缓存空间大小为500MB，自动清除超过1天没有被访问的缓存数据，硬盘缓存空间大小为30GB。
 fastcgi_cache_path  /data0/fastcgi_cache_path  levels=1:2   keys_zone=cache_one:200m inactive=1d max_size=30g;


 upstream my_server_pool {
   server   192.168.1.2:80 weight=1 max_fails=2 fail_timeout=30s;
   server   192.168.1.3:80 weight=1 max_fails=2 fail_timeout=30s;
   server   192.168.1.4:80 weight=1 max_fails=2 fail_timeout=30s;
 }
 
 server
 {
   listen       80;
   server_name  my.domain.com;
   root /data0/htdocs;

   location ~ .*\.(php|php5)$
   {
        #使用Web缓存区cache_one
        fastcgi_cache cache_one;
        
        #对不同HTTP状态码缓存设置不同的缓存时间
        fastcgi_cache_valid  200 10m;
        fastcgi_cache_valid  301 302 1h;
        fastcgi_cache_valid  any 1m;
        
        #设置Web缓存的Key值，Nginx根据Key值md5哈希存储缓存，这里根据“FastCGI服务器的IP、端口、请求的URI”组合成Key。
        fastcgi_cache_key 127.0.0.1:9000$request_uri;
        
        #FastCGI服务器
        fastcgi_pass  127.0.0.1:9000;
        fastcgi_index index.php;
        include fcgi.conf;
   }  
   
   access_log  off;
 }
}