Defines a hard limit on node inactivity
wsrep_provider_options system variable applies to MariaDB Enterprise Cluster, powered by Galera and to Galera Cluster available with MariaDB Community Server. This page relates specifically to the evs.inactive_
See also: wsrep Provider Options for MariaDB Enterprise Server 23.08, in 23.07 ES, in 10.6 ES, 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
evs.inactive_timeout option sets a hard limit for node inactivity. If a delayed node remains unresponsive for longer than the
evs.inactive_timeout period, the node pronounces the delayed node as dead.
Each cluster node monitors group communication response times from all other nodes. When the cluster registers a delayed response from a given node, it add an entry for that node to its delayed list, which can lead to the delayed node's eviction from the cluster.
Display Current Value
wsrep_provider_options define optional settings the node passes to the wsrep provider.
To display current
SHOW GLOBAL VARIABLES LIKE 'wsrep_provider_options';
The expected output will display the option and the value. Options with no default value, for example SSL options, will not be displayed in the output.
Set in Configuration File
When changing a setting for a wsrep_
Options are set in the
my.cnf configuration file. Use the
; delimiter to set multiple options.
The configuration file must be updated on each node. A restart to each node is needed for changes to take effect.
Use a quoted string that includes every option where you want to override the default value. Options that are not in the list will reset to their default value.
To set the option in the configuration file:
The evs.inactive_timeout option cannot be set dynamically. It can only be set in the configuration file.
Trying to change a non-dynamic option with
SET results in an error:
ERROR 1210 (HY000): Incorrect arguments to SET