ProxySQL Cluster高可用

https://www.cnblogs.com/kevingrace/p/10411457.html

https://www.cnblogs.com/kevingrace/p/10384691.html

keepalived高可用
https://www.cnblogs.com/kevingrace/p/6710136.html

https://www.cnblogs.com/sawyer95/p/14203952.html

https://www.cnblogs.com/kevingrace/p/10384691.html
https://www.cnblogs.com/kevingrace/p/10329714.html --参考