wsrep_cluster_name
This page is part of MariaDB's Documentation.
The parent of this page is: System Variables for MariaDB Enterprise Server
Topics on this page:
Overview
Name for the cluster
See also: System Variables for MariaDB Enterprise Server 10.6, in 10.5 ES, in 10.4 ES, in 10.3 ES, in 10.2 ES, in 10.6 CS, in 10.5 CS, in 10.4 CS, in 10.3 CS, and in 10.2 CS
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 |
Product 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 |
|
10.6 Community |
|
10.5 Enterprise |
|
10.5 Community |
|
10.4 Enterprise |
|
10.4 Community |
|
10.3 Enterprise |
|
10.3 Community |
|
10.2 Enterprise |
|
10.2 Community |
|
EXTERNAL REFERENCES
Additional information on this topic may be found in the MariaDB Public Knowledge Base.