Deleting stale metadata file from remote segment store – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 2.3-2.9

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Briefly, this error occurs when OpenSearch tries to delete an outdated metadata file from the remote segment store, but encounters an issue. This could be due to a lack of permissions, network issues, or the file being locked or in use. To resolve this, you could check and adjust the permissions for the OpenSearch process, ensure the network connection to the remote segment store is stable, or verify that the file is not being used or locked by another process. Additionally, restarting the OpenSearch service might help in resolving the issue.

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This guide will help you check for common problems that cause the log ” Deleting stale metadata file {} from remote segment store ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: index, metadata.

Log Context

Log “Deleting stale metadata file {} from remote segment store” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

            if (deletionSuccessful.get()) {
      "Deleting stale metadata file {} from remote segment store"; metadataFile);


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