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MariaDB

This section lists the alerts for the MariaDB service.

MariadbClusterDown MariadbExporterTargetDown MariadbGaleraDonorFallingBehind MariadbGaleraNotReady

MariadbGaleraOutOfSync MariadbInnodbLogWaits MariadbTableLockWaitHigh

---

MariadbClusterDown

Severity	Critical
Summary	MariaDB cluster is down.
Description	The MariaDB {{ $labels.cluster }} cluster in the {{ $labels.namespace }} namespace is down.

MariadbExporterTargetDown

Severity	Critical
Summary	MariaDB Exporter cluster Prometheus target down.
Description	Prometheus fails to scrape metrics from the {{ $labels.pod }} Pod of the {{ $labels.cluster }} cluster on the {{ $labels.node }} node.

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).