Mysql在master上查看有哪些slave

mysql> select * from information_schema.processlist as p where p.command = 'Binlog Dump'; 

或

mysql> show slave hosts;(此方法需要在从服务启动时指定--report-host=HOSTNAME选项，此处HOSTNAME为任意名称。)

 

ref: https://blog.51cto.com/linuxtips/1773936