MariaDB

This section lists the alerts for the MariaDB service.


MariadbClusterDown

Available since MOSK 22.4

Severity

Critical

Summary

MariaDB cluster is down.

Description

The MariaDB {{ $labels.cluster }} cluster in the {{ $labels.namespace }} namespace is down.

MariadbExporterClusterTargetsOutage

Available since MOSK 22.4

Severity

Critical

Summary

MariaDB Exporter cluster Prometheus targets outage.

Description

Prometheus fails to scrape metrics from 2/3 of the {{ $labels.cluster }} cluster exporters endpoints (more than 1/10 failed scrapes).

MariadbGaleraDonorFallingBehind

Severity

Warning

Summary

MariaDB node is falling behind.

Description

The {{ $labels.namespace }}/{{ $labels.pod }} MariaDB node in the {{ $labels.cluster }} cluster is falling behind (queue size {{ $value }}).

MariadbGaleraNotReady

Severity

Major

Summary

MariaDB cluster node is not ready.

Description

The {{ $labels.namespace }}/{{ $labels.pod }} MariaDB node in the {{ $labels.cluster }} cluster is not ready to accept queries.

MariadbGaleraOutOfSync

Severity

Warning

Summary

MariaDB cluster node is out of sync.

Description

The {{ $labels.namespace }}/{{ $labels.pod }} MariaDB node in the {{ $labels.cluster }} cluster is not in sync ({{ $value }} != 4).

MariadbInnodbLogWaits

Severity

Warning

Summary

MariaDB InnoDB log writes are stalling.

Description

The {{ $labels.namespace }}/{{ $labels.pod }} MariaDB InnoDB logs are waiting for disk at a rate of {{ $value }} per second (more than 10).

MariadbTableLockWaitHigh

Severity

Warning

Summary

MariaDB table lock waits are high.

Description

The {{ $labels.namespace }}/{{ $labels.pod }} MariaDB node in the {{ $labels.cluster }} cluster has high table lock waits of {{ $value }} percentage (more than 30).