[主从复制](mysql-%E4%B8%BB%E4%BB%8E%E5%A4%8D%E5%88%B6.md) [主从切换](mysql-%E4%B8%BB%E4%BB%8E%E5%88%87%E6%8D%A2.md) [主主复制](mysql-%E4%B8%BB%E4%B8%BB%E5%A4%8D%E5%88%B6.md) [高可用方案](mysql-%E9%AB%98%E5%8F%AF%E7%94%A8%E6%96%B9%E6%A1%88.md)