Warning

SingleStore 9.0 gives you the opportunity to preview, evaluate, and provide feedback on new and upcoming features prior to their general availability. In the interim, SingleStore 8.9 is recommended for production workloads, which can later be upgraded to SingleStore 9.0.

REMOVE AGGREGATOR

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

SQL

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)

SQL

REMOVE AGGREGATOR '10.0.2.16':3306;

Query OK, 0 rows affected (0.00 sec)

SQL

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

Aggregator