Maximum snapshot retention deletion time reached time spent – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.5-7.1

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Briefly, this error occurs when the time spent on deleting old snapshots in Elasticsearch exceeds the maximum snapshot retention deletion time. This could be due to a large number of snapshots or slow disk I/O. To resolve this issue, you can increase the maximum snapshot retention deletion time, reduce the number of snapshots, or improve the disk I/O performance. Also, ensure that the Elasticsearch cluster is not under heavy load, which could slow down the deletion process.

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This guide will help you check for common problems that cause the log ” maximum snapshot retention deletion time reached; time spent: [{}]; ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: snapshot, plugin.

Log Context

Log “maximum snapshot retention deletion time reached; time spent: [{}];” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

long finishTime = nowNanoSupplier.getAsLong();
                TimeValue deletionTime = TimeValue.timeValueNanos(finishTime - deleteStartTime);
                logger.debug("elapsed time for deletion of [{}] snapshot: {}"; info.snapshotId(); deletionTime);
                TimeValue totalDeletionTime = TimeValue.timeValueNanos(finishTime - startTime);
                if (totalDeletionTime.compareTo(maximumTime) > 0) {
          "maximum snapshot retention deletion time reached; time spent: [{}];" +
                            " maximum allowed time: [{}]; deleted [{}] out of [{}] snapshots scheduled for deletion; failed to delete [{}]";
                        totalDeletionTime; maximumTime; deleted; count; failed);


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