OpenSearch

This section describes the alerts for the OpenSearch service.


OpenSearchHeapUsageCritical

Severity

Critical

Summary

OpenSearch heap usage is too high (>90%).

Description

The heap usage of the OpenSearch {{ $labels.name }} node from the cluster {{ $labels.cluster }} is over 90% for 5 minutes.

OpenSearchHeapUsageWarning

Severity

Warning

Summary

OpenSearch heap usage is high (>80%).

Description

The heap usage of the OpenSearch {{ $labels.name }} node from the cluster {{ $labels.cluster }} is over 80% for 5 minutes.

OpenSearchClusterStatusCritical

Severity

Critical

Summary

OpenSearch critical status.

Description

The OpenSearch {{ $labels.cluster }} cluster status has changed to red.

OpenSearchClusterStatusWarning

Severity

Warning

Summary

OpenSearch warning status.

Description

The OpenSearch {{ $labels.cluster }} cluster status has changed to yellow. The alert persists for the cluster in the red status.

OpenSearchNumberOfRelocationShards

Severity

Warning

Summary

Shards relocation takes more than 20 minutes.

Description

The number of relocating shards in the OpenSearch cluster {{ $labels.cluster }} is {{ $value }} for 20 minutes.

OpenSearchNumberOfInitializingShards

Severity

Warning

Summary

Shards initialization takes more than 10 minutes.

Description

The number of initializing shards in the OpenSearch cluster {{ $labels.cluster }} is {{ $value }} for 10 minutes.

OpenSearchNumberOfUnassignedShards

Severity

Major

Summary

Shards have unassigned status for 5 minutes.

Description

The number of unassigned shards in the OpenSearch cluster {{ $labels.cluster }} is {{ $value }} for 5 minutes.

OpenSearchNumberOfPendingTasks

Severity

Warning

Summary

Tasks have pending state for 10 minutes.

Description

The number of pending tasks in the OpenSearch cluster {{ $labels.cluster }} is {{ $value }} for 10 minutes. The cluster works slowly.