Mysql中间件
Atlas Mysql中间层
http://www.oschina.net/p/atlas?fromerr=LGa1CFF3
OneProxy 分布式中间件
http://www.onexsoft.com/?page_id=3896
MaxScale 数据库智能代理
http://www.oschina.net/news/58760/maxscale-ga
https://github.com/mariadb-corporation/MaxScale
SpockProxy Mysql水平分区方案
http://www.oschina.net/p/spock/similar_projects?sort=view&lang=21
MySQLProxy