user  www www;


#Nginx每个进程耗费10MB~12MB内存，这里只开启一个Nginx进程，节省内存。
worker_processes 1;

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  gb2312;
     
server_names_hash_bucket_size 128;
client_header_buffer_size 32k;
large_client_header_buffers 4 32k;
     
sendfile on;
tcp_nopush     on;

keepalive_timeout 60;

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;

#对网页文件、CSS、JS、XML等启动gzip压缩，减少数据传输量，提高访问速度。
gzip on;
gzip_min_length  1k;
gzip_buffers     4 16k;
gzip_http_version 1.0;
gzip_comp_level 2;
gzip_types       text/plain application/x-javascript text/css application/xml;
gzip_vary on;

server
{
   listen       80;
   server_name  www.yourdomain.com;
   index index.html index.htm index.php;
   root  /data0/htdocs/blog;

   location ~ .*\.(php|php5)?$
   {
     #将Nginx与FastCGI的通信方式由TCP改为Unix Socket。TCP在高并发访问下比Unix Socket稳定，但Unix Socket速度要比TCP快。
     fastcgi_pass  unix:/tmp/php-cgi.sock;
     #fastcgi_pass  127.0.0.1:9000;
     fastcgi_index index.php;
     include fcgi.conf;
   }
   
   #图片更改较少，将它们在浏览器本地缓存15天，可以提高下次打开时的加载速度。
   location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
   {
     expires      15d;
   } 

   #将JavaScript、CSS它们在浏览器本地缓存1天，访问者在看完一篇文章或一页后，再看另一篇文章或另一页的内容，无须从服务器再次下载相同的JavaScript、CSS，提高了页面显示速度。
   location ~ .*\.(js|css)?$
   {
     expires      1d;
   }   

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