apache模块 mod_file_cache说明提供文件描述符缓存支持，从而提高apache性能
状态实验(x)
模块名file_cache_module
源文件mod_file_cache.c
服务器配置:
fileetag none
expiresactive on
expiresdefault a0
expiresbytype image/x-icon a2592000
expiresbytype application/x-javascript a259200
expiresbytype text/css a259200
expiresbytype image/gif a259200
expiresbytype image/png a259200
expiresbytype image/jpeg a259200
expiresbytype text/plain a604800
expiresbytype application/x-shockwave-flash a604800
expiresbytype video/x-flv a604800
expiresbytype application/pdf a604800
expiresbytype text/html a0
详细请参考以下页面:
http://www.tblog.com.cn/manual/apache2.2/mod/mod_file_cache.html