http://www.infoq.com/cn/articles/weibo-relation-service-with-redis?utm_source=articles_about_Redis&utm_medium=link&utm_campaign=Redis
http://www.infoq.com/cn/Redis/articles/
微博关系服务与Redis的故事
原文：http://www.cnblogs.com/pingh/p/7495378.html
