twitter架构cache money http://www.infoq.com/news/2009/06/Twitter-Architecture http://www.cnblogs.com/wuvist/archive/2011/01/14/MoSonic_1_Cache-Money_FriendFeed_Thrift_In_SubSonic.html read-through write-through http://www.kuqin.com/system-analysis/20091103/72522.html