memcache ubuntu安装
文件下载链接
wget -c http://monkey.org/~provos/libevent-1.4.13-stable.tar.gz
wget -c http://memcached.googlecode.com/files/memcached-1.4.5.tar.gz
安装链接：
http://www.iteye.com/topic/974445

hibernate memcache缓存配置：
http://tuhaitao.iteye.com/blog/568653