[zz]Zookeeper全解析——Paxos作为灵魂

http://www.spnguru.com/2010/08/zookeeper%E5%85%A8%E8%A7%A3%E6%9E%90%E2%80%94%E2%80%94paxos%E7%9A%84%E7%81%B5%E9%AD%82/

http://rdc.taobao.com/blog/cs/?p=162

简单易懂，不装b