MongoDB

http://chengjunflying.iteye.com/blog/1096981

 

http://java.dzone.com/articles/mongodb-performance-tuning-and

 

http://architects.dzone.com/articles/how-mongodbs-journaling-works

 

http://huoding.com/2011/08/09/104

 

http://hi.baidu.com/assassionman/blog/item/fdbea125820b4d4034a80ffe.html

 

http://www.searchtb.com/2010/12/a-probe-into-the-mongodb.html

Xen

 

http://johnwang.blog.51cto.com/474770/388580

 

http://www.lamfire.com/?p=123

 

http://lynnteng0.blog.51cto.com/2145094/800734

http://wenku.baidu.com/view/8fdd53104431b90d6c85c7cc.html