实践数据库中间件之Oceanus
实践数据库中间件之MySQL Router（Proxy）
实践数据库中间件之Heisenberg
实践数据库中间件之Cobar
Cobar is a proxy for sharding databases and tables
实践数据库中间件之Atlas
Atlas is A high-performance and stable proxy for MySQL, it is developed by Qihoo’s DBA and infrastructure team