If the minimum, maximum,Īnd average are all equal to 1, Dashboards is behaving normally. OpenSearchDashboardsHealthyNodes (previouslyĪ health check for OpenSearch Dashboards. The remaining CPU credits available for data nodes in the cluster.Ī CPU credit provides the performance of a full CPU core for one Of 1 indicates that no automated snapshot was taken for The number of failed automated snapshots for the cluster. Generation" on all data nodes in the cluster. The maximum percentage of the Java heap used for the "old For more information, see the release notes. The logic for this metric changed in service software See Recommended CloudWatch alarms for Amazon OpenSearch Service. You can scale instances vertically up to 64 GiB of RAM, at which point you can scale horizontally by adding instances. OpenSearch Service uses half of an instance's RAM for the Java heap, up to a heap size of 32 GiB. The maximum percentage of the Java heap used for all data nodes in Issue, consider adding more disk space or scaling your Some common factors include the following: A value of 1 means that it is blocking requests.
A value of 0 means that the cluster is accepting Indicates whether your cluster is accepting or blocking incoming Relevant statistics: Minimum, Maximum, Average, Sum For more information, see Calculating storage requirements.
Percentage of the storage space on each instance for internal Values that the OpenSearch _cluster/stats and The Amazon CloudWatch consoleįreeStorageSpace will always be lower than the The OpenSearch Service console displays this value in GiB. To learn more, see Lack of available storage Indexes, add larger instances, or add EBS-based storage to existing OpenSearch Service throws a ClusterBlockException when this This metric is also available for individual MinimumĪnd Maximum show the nodes with the least and most free Period at one minute to get an accurate value. Shows total free space for the cluster, but you must leave the The free space for data nodes in the cluster. Shows the node with the highest CPU usage. The percentage of CPU usage for data nodes in the cluster. This metric increases after delete requests Results, but OpenSearch only removes deleted documents from diskĭuring segment merges. These documents no longer appear in search The total number of documents marked for deletion across all data Relevant statistics: Minimum, Maximum, Average The total number of searchable documents across all data nodes in For more information, see Making configuration changes in The number of nodes in the OpenSearch Service cluster, including dedicated The number of shards that are under relocation. The number of shards that are under initialization. The number of shards whose node allocation has been delayed by the The number of shards that are not allocated to nodes in the The total number of active primary and replica shards. Least one index are not allocated to nodes in the cluster. For more information, see Yellow clusterĪ value of 1 indicates that the primary and replica shards for at A value of 1 indicates that all index shards are allocated toĪ value of 1 indicates that the primary shards for all indexes areĪllocated to nodes in the cluster, but replica shards for at least one
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