nginx实现负载均衡及静态资源处理

nginx 安装
首先安装pcre
./configure
make
make install
./configure --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module
make
make install

nginx 负载均衡配置

upstream  dyRes  {                     

server   127.0.0.1:8081;  

server   127.0.0.1:8082;
}
   
upstream  staticRes  {                     

server   127.0.0.1:81;  

server   127.0.0.1:82;
}

server {
        listen       80;
        server_name  l27.0.0.1;

        charset gbk;

        #access_log  logs/host.access.log  main;
       

location ~* \.(ico|gif|bmp|jpg|jpeg|png|swf|js|css|html|htm)$ {

access_log on;

index  index.html index.htm;

proxy_pass http://staticRes ;
 
}

location ~* \.(js)$ {

access_log on;

index  index.html index.htm;

proxy_pass http://staticRes ;
 
}

#dwr 特殊处理
        location ^~/cprime/dwr {

access_log on ;

index index.jsp ;
  
proxy_pass http://dyRes ;
}

location ~* \.(action|jsp)$ {

access_log on ;

index /cprime/example/login.jsp ;

proxy_pass http://dyRes ;
}
        #设定查看Nginx状态的地址
        location /NginxStatus {
            stub_status             on;
            access_log              on;
            auth_basic              "NginxStatus";
        #    auth_basic_user_file  conf/htpasswd;
        }
}

静态资源缓存配置
在serser同级添加
proxy_cache_path  /usr/local/resource/cache levels=1:2 keys_zone=NAME:10m inactive=1d max_size=300m ;

修改location如下
location ~* ^.+.(ico|gif|bmp|jpg|jpeg|png|swf)$ {

   root   /usr/local/resource/;

   access_log on;

   index  index.html index.htm;

   expires 5d;
  
   proxy_cache NAME;#使用NAME这个keys_zone

    proxy_cache_valid 200 302 1h;#200和302状态码保存1小时

           proxy_cache_valid 301 1d;#301状态码保存一天

           proxy_cache_valid any 1m;#其它的保存一分钟

}

proxy_cache 用来缓存静态资源