MySQL读写分离架构(KHPM)

1. Keepalived
2. HAProxy
3. ProxySQL
4. MySQL

Keepalived+HAProxy 应用程序入口无单点故障
ProxySQL Cluster ProxySQL无单点故障
MHA MySQL无单点故障(MHA Manager后续用ORCH RAFT代替，实现无单点故障)

原文：https://blog.51cto.com/aimax/2430628