Elasticsearch

This section describes the alerts for the Elasticsearch 0 service.

• ElasticHeapUsageCritical

• ElasticHeapUsageWarning

• ElasticClusterStatusCritical

• ElasticClusterStatusWarning

• ElasticExporterTargetDown

• ElasticNumberOfRelocationShards

• ElasticNumberOfInitializingShards

• ElasticNumberOfUnassignedShards

• ElasticNumberOfPendingTasks

• ElasticNoNewDataCluster

• ElasticNoNewDataNode

• PrometheusEsExporterTargetDown

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ElasticHeapUsageCritical

Severity	Critical
Summary	Elasticsearch heap usage is too high (>90%).
Description	The heap usage of the Elasticsearch {{ $labels.name }} node from the cluster {{ $labels.cluster }} is over 90% for 5 minutes.

ElasticHeapUsageWarning

Severity	Warning
Summary	Elasticsearch heap usage is high (>80%).
Description	The heap usage of the Elasticsearch {{ $labels.name }} node from the cluster {{ $labels.cluster }} is over 80% for 5 minutes.

ElasticClusterStatusCritical

Severity	Critical
Summary	Elasticsearch critical status.
Description	The Elasticsearch {{ $labels.cluster }} cluster status has changed to red.

ElasticClusterStatusWarning

Severity	Warning
Summary	Elasticsearch warning status.
Description	The Elasticsearch {{ $labels.cluster }} cluster status has changed to yellow. The alert persists for the cluster in the red status.

ElasticExporterTargetDown

Severity	Critical
Summary	Elasticsearch Exporter Prometheus target is down.
Description	Prometheus fails to scrape metrics from the Elasticsearch Exporter endpoint(s) (more than 1/10 failed scrapes).

ElasticNumberOfRelocationShards

Severity	Warning
Summary	Shards relocation takes more than 20 minutes.
Description	The number of relocating shards in the Elasticsearch cluster {{ $labels.cluster }} is {{ $value }} for 20 minutes.

ElasticNumberOfInitializingShards

Severity	Warning
Summary	Shards initialization takes more than 10 minutes.
Description	The number of initializing shards in the Elasticsearch cluster {{ $labels.cluster }} is {{ $value }} for 10 minutes.

ElasticNumberOfUnassignedShards

Severity	Major
Summary	Shards have unassigned status for 5 minutes.
Description	The number of unassigned shards in the Elasticsearch cluster {{ $labels.cluster }} is {{ $value }} for 5 minutes.

ElasticNumberOfPendingTasks

Severity	Warning
Summary	Tasks have pending state for 10 minutes.
Description	The number of pending tasks in the Elasticsearch cluster {{ $labels.cluster }} is {{ $value }} for 10 minutes. The cluster works slowly.

ElasticNoNewDataCluster

Severity	Major
Summary	Elasticsearch has no new data for 30 minutes.
Description	No new data has arrived to the Elasticsearch cluster {{ $labels.cluster }} for 30 minutes.

ElasticNoNewDataNode

Severity	Warning
Summary	Elasticsearch node has no new data for 30 minutes.
Description	No new data has arrived to the Elasticsearch node {{ $labels.name }} from cluster {{ $labels.cluster }} for 30 minutes. The alert also indicates Elasticsearch node cordoning.

PrometheusEsExporterTargetDown

Severity	Major
Summary	Prometheus Elasticsearch Exporter Prometheus target is down.
Description	Prometheus fails to scrape metrics from the Prometheus Elasticsearch Exporter service (more than 1/10 failed scrapes).

0

Starting from Container Cloud 2.16.0, Elasticsearch has switched to OpenSearch. For details, see Elasticsearch switch to OpenSearch.