mysql8.0 mha实现高可用《mha》

参考文档
https://github.com/yoshinorim/mha4mysql-manager/wiki/Overview#overview
https://blog.csdn.net/ycsdn10/article/details/122023797
确保安装依赖顺利

1.配置节点ssh免密

https://blog.csdn.net/liuyunshengsir/article/details/102885163

2.安装mysql8.0

https://liuyunshengsir.blog.csdn.net/article/details/124168231

3.mysql8.0 授权远程登录

https://liuyunshengsir.blog.csdn.net/article/details/124174264

4.配置主从

mysql -u user0001 -h 172.17.0.3 -pUser0001!

主节点

mysql> show master status;
+---------------+----------+--------------+------------------+-------------------+
| File          | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |
+---------------+----------+--------------+------------------+-------------------+
| binlog.000016 |      157 |              |