Registering decommission metadata to execute action – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 2.4-2.4

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Briefly, this error occurs when OpenSearch is trying to register metadata for decommissioning, but encounters an issue. This could be due to a variety of reasons such as incorrect configuration, insufficient permissions, or network issues. To resolve this, you could check the OpenSearch configuration for any errors, ensure that the user has the necessary permissions to perform this action, and verify that there are no network connectivity issues. Additionally, checking the OpenSearch logs could provide more detailed information about the cause of the error.

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This guide will help you check for common problems that cause the log ” registering decommission metadata [{}] to execute action ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: metadata, cluster.

Log Context

Log “registering decommission metadata [{}] to execute action” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

                // check that request is eligible to proceed
                ensureEligibleRequest(decommissionAttributeMetadata; decommissionAttribute);
                // ensure attribute is weighed away
                ensureToBeDecommissionedAttributeWeighedAway(currentState; decommissionAttribute);
                decommissionAttributeMetadata = new DecommissionAttributeMetadata(decommissionAttribute);
      "registering decommission metadata [{}] to execute action"; decommissionAttributeMetadata.toString());
                return ClusterState.builder(currentState)


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