是否因为apache占用太多内存而烦恼。
使用nginx可以解决你一部分的能力，用nginx来处理静态文件。
动态内容通过代理。可以使得不用修改现在的系统架构.
Using Nginx As Reverse-Proxy Server On High-Loaded Sites
http://blog.kovyrin.net/2006/05/18/nginx-as-reverse-proxy/
最主要的nginx的配置
server {
listen 80;
server_name some-server.com www.server-name.com;
access_log logs/host.access.log main;
# Main location
location / {
proxy_pass http://127.0.0.1:8080/;
proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
client_max_body_size 10m;
client_body_buffer_size 128k;
proxy_connect_timeout 90;
proxy_send_timeout 90;
proxy_read_timeout 90;
proxy_buffer_size 4k;
proxy_buffers 4 32k;
proxy_busy_buffers_size 64k;
proxy_temp_file_write_size 64k;
}
# Static files location
location ~* ^.+.(jpg|jpeg|gif|png|ico|css|zip|tgz|gz|rar|bz2|doc|xls|exe|pdf|ppt|txt|tar|mid|midi|wav|bmp|rtf|js)$ {
root /spool/www/members_ng;
}
}