从 MySQL 主库查看从库信息

mysql> show slave hosts;
+-----------+-----------------+------+-----------+--------------------------------------+
| Server_id | Host            | Port | Master_id | Slave_UUID                           |
+-----------+-----------------+------+-----------+--------------------------------------+
|         4 | 192.168.206.132 | 3306 |         3 | 04591d7a-df42-11e9-92af-000c29047128 |
+-----------+-----------------+------+-----------+--------------------------------------+
1 row in set (0.00 sec)