Failed to turn off translog retention – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when OpenSearch fails to disable the translog retention, which is a mechanism that keeps a log of all operations not yet committed to the index. This could be due to insufficient permissions, disk space issues, or a problem with the OpenSearch configuration. To resolve this, you can check and adjust the user permissions, ensure there is enough disk space, or review and correct the OpenSearch configuration settings. Additionally, restarting the OpenSearch service might help if the issue is temporary or caused by a minor glitch.

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This guide will help you check for common problems that cause the log ” failed to turn off translog retention ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: index, shard.

Log Context

Log “failed to turn off translog retention” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

        // Off to the generic threadPool as pruning the delete tombstones can be expensive.
        threadPool.generic().execute(new AbstractRunnable() {
            public void onFailure(Exception e) {
                if (state != IndexShardState.CLOSED) {
                    logger.warn("failed to turn off translog retention"; e);

            protected void doRun() {


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