wsrep_cluster_name

Name for the cluster

See also: System Variables in 10.5 ES, in 10.5 CS, in 10.4 ES, in 10.4 CS, in 10.3 ES, in 10.3 CS, in 10.2 ES, and in 10.2 CS

DETAILS

This sytem 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

SkySQL Default (Standalone 10.4)

my_wsrep_cluster

SkySQL Default (Standalone 10.5)

my_wsrep_cluster

SkySQL Default (Primary/Replica 10.4)

my_wsrep_cluster

SkySQL Default (Primary/Replica 10.5)

my_wsrep_cluster

SkySQL Default (Analytical 10.4)

my_wsrep_cluster

SkySQL Default (HTAP 10.4)

my_wsrep_cluster

SkySQL Default (Xpand 10.5)

my_wsrep_cluster

See MariaDB SkySQL documentation to learn more about the MariaDB SkySQL database as a service.

CHANGE HISTORY

Release Series

History

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.

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 |
+--------------------+-----------------+

EXTERNAL REFERENCES