REMOVE AGGREGATOR
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Removes a child aggregator from a cluster.
Syntax
REMOVE AGGREGATOR 'host':port;Remarks
-
This command can only be used to remove child aggregators from a cluster; the master aggregator cannot be removed by using this command.
-
This command causes implicit commits.
Refer to COMMIT for more information. -
Refer to the Permission Matrix for the required permission.
Example
SHOW AGGREGATORS;
+-----------+------+--------+--------------------+------------------------------+-------------------+
| Host | Port | State | Opened_Connections | Average_Roundtrip_Latency_ms | Master_Aggregator |
+-----------+------+--------+--------------------+------------------------------+-------------------+
| 10.0.2.15 | 3306 | online | 0 | NULL | 1 |
| 10.0.2.16 | 3306 | online | 1 | 0.322 | 0 |
+-----------+------+--------+--------------------+------------------------------+-------------------+
2 rows in set (0.00 sec)REMOVE AGGREGATOR '10.0.2.16':3306;
Query OK, 0 rows affected (0.00 sec)SHOW AGGREGATORS;
+-----------+------+--------+--------------------+------------------------------+-------------------+
| Host | Port | State | Opened_Connections | Average_Roundtrip_Latency_ms | Master_Aggregator |
+-----------+------+--------+--------------------+------------------------------+-------------------+
| 10.0.2.15 | 3306 | online | 1 | NULL | 1 |
+-----------+------+--------+--------------------+------------------------------+-------------------+
1 row in set (0.00 sec)Related Topics
Last modified: July 31, 2023