Ignoring recovery of a corrupt translog entry – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when OpenSearch encounters a corrupted transaction log (translog) entry during the recovery process. The translog records all operations that are not yet committed to the index, so corruption can lead to data loss. To resolve this issue, you can try to restore from a recent backup, or delete the corrupted translog files and restart OpenSearch. However, be aware that deleting translog files can lead to data loss. It’s also important to investigate the root cause of the corruption to prevent it from happening again.

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This guide will help you check for common problems that cause the log ” ignoring recovery of a corrupt translog entry ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: index, recovery, shard.

Log Context

Log “ignoring recovery of a corrupt translog entry” classname is IndexShard.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :

            } catch (Exception e) {
                // TODO: Don't enable this leniency unless users explicitly opt-in
                if (origin == Engine.Operation.Origin.LOCAL_TRANSLOG_RECOVERY && ExceptionsHelper.status(e) == RestStatus.BAD_REQUEST) {
                    // mainly for MapperParsingException and Failure to detect xcontent
                    logger.info("ignoring recovery of a corrupt translog entry"; e);
                } else {
                    throw ExceptionsHelper.convertToRuntime(e);


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