wsrep_cluster_name

DETAILS

This system variable specifies the logical name of the cluster. Every Cluster Node that connects to each other must have the same logical name in order to form a component or join the Primary Component.

PARAMETERS

Command-line

--wsrep_cluster_name=arg

Configuration file

Supported

Dynamic

Yes

Scope

Global

Data Type

VARCHAR

Default Value

my_wsrep_cluster

EXAMPLES

Configuration

Set the cluster name using an options file:

[mariadb]
wsrep_provider        = /usr/lib/galera/libgalera_smm.so
wsrep_cluster_name    = example_cluster
wsrep_cluster_address = gcomm://192.0.2.1,192.0.2.2,192.0.2.3

Show Configuration

To view the current cluster name, use the SHOW VARIABLES statement:

SHOW VARIABLES LIKE "wsrep_cluster_name";
+--------------------+-----------------+
| Variable_name      | Value           |
+--------------------+-----------------+
| wsrep_cluster_name | example_cluster |
+--------------------+-----------------+

CHANGE HISTORY

Release Series

History

10.6 Enterprise

  • Present starting in MariaDB Enterprise Server 10.6.4-1.

10.6 Community

  • Present starting in MariaDB Community Server 10.6.0.

10.5 Enterprise

  • Present starting in MariaDB Enterprise Server 10.5.3-1.

10.5 Community

  • Present starting in MariaDB Community Server 10.5.0.

10.4 Enterprise

  • Present starting in MariaDB Enterprise Server 10.4.6-1.

10.4 Community

  • Present starting in MariaDB Community Server 10.4.0.

10.3 Enterprise

  • Present starting in MariaDB Enterprise Server 10.3.16-1.

10.3 Community

  • Present starting in MariaDB Community Server 10.3.0.

10.2 Enterprise

  • Present starting in MariaDB Enterprise Server 10.2.25-1.

10.2 Community

  • Present starting in MariaDB Community Server 10.2.0.

EXTERNAL REFERENCES