Mirantis Container Cloud (MCC) becomes part of Mirantis OpenStack for Kubernetes (MOSK)!

Now, the MOSK documentation set covers all product layers, including MOSK management (formerly Container Cloud). This means everything you need is in one place. Some legacy names may remain in the code and documentation and will be updated in future releases. The separate Container Cloud documentation site will be retired, so please update your bookmarks for continued easy access to the latest content.

MariaDB

This section lists the alerts for the MariaDB service.

MariadbClusterDown MariadbExporterTargetDown MariadbGaleraDonorFallingBehind MariadbGaleraNotReady

MariadbGaleraOutOfSync MariadbInnodbLogWaits MariadbTableLockWaitHigh

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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).