页面片断缓存，大型网站架构

页面片段缓存，大型网站架构

http://wenku.baidu.com/view/ff5685e9551810a6f5248659.html

http://topic.csdn.net/u/20070930/21/972388c6-1d69-4695-b724-cb7ff0c48b42.html

http://news.csdn.net/n/20090115/122497.html