Skipped download for segments here – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 2.9-2.9

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Briefly, this error occurs when OpenSearch skips downloading certain segments during a snapshot restore process. This typically happens if those segments are already present in the cluster. It’s a normal part of the restore process and not necessarily an error. However, if you’re experiencing issues, ensure that your cluster has sufficient storage space and that there are no network connectivity issues. Also, check the health of your cluster and the integrity of your snapshots. If the problem persists, consider re-indexing your data or creating a new snapshot.

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This guide will help you check for common problems that cause the log ” Skipped download for segments here: {} ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: index, shard.

Log Context

Log “Skipped download for segments here: {}” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

                    segmentNFile = file;
        } finally {
  "Downloaded segments here: {}"; downloadedSegments);
  "Skipped download for segments here: {}"; skippedSegments);
        return segmentNFile;

    private boolean localDirectoryContains(Directory localDirectory; String file; long checksum) {


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