mycat主从 mha 分库分表

https://blog.csdn.net/leonpenn/article/details/77278360

https://www.baidu.com/s?ie=utf8&wd=mycat+读写分离&tn=87048150_dg

https://www.cnblogs.com/biglittleant/p/7059569.html

https://blog.csdn.net/yougoule/article/details/56680952

http://www.cnblogs.com/fyy-hhzzj/p/9041919.html

https://www.cnblogs.com/joylee/p/7513038.html

https://www.cnblogs.com/fxwl/p/7990906.html    mycat 配置文件详解