Mysql8.0 MHA to achieve high availability "MHA"

Reference documents
https://github.com/yoshinorim/mha4mysql-manager/wiki/Overview#overview
https://blog.csdn.net/ycsdn10/article/details/122023797
Ensure smooth installation of dependencies

1. Configuration node ssh Unclassified

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

2. install mysql8.0

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

3.mysql8.0 Authorize remote login

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

4. Configure master and slave

mysql -u user0001 -h 172.17.0.3 -pUser0001!

Master node

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