mysql_galera_cluster_size
Database | MySQL, MariaDB
This alert presents the current Galera cluster size, compared to the maximum size in the last 2
minutes.
If you receive this alert, then it may indicate a network connectivity problem or
that MySQL is down on one node.
This alert is raised into warning if the current Galera cluster size is larger than the maximum
size in the last 2 minutes.
If the current Galera cluster size is less than the maximum size in the last sixty seconds, then the
alert is escalated into critical.
References and Sources
Troubleshooting Section
Check Node Status
Refer to the Galera Cluster training library
for documentation on cluster health monitoring.