Log Failed to delete shard snapshot file – How To Solve Related Issues

Log Failed to delete shard snapshot file – How To Solve Related Issues

Updated: Jan-20

Elasticsearch Version: 1.7-8.0

Background

To resolve issues causing many log errors you can try our Elasticsearch Check-Up it analyses ES configuration to provide actionable recommendations (no installation required) 


To troubleshoot log “Failed to delete shard snapshot file” it’s important to understand a few problems related to Elasticsearch concepts blobstore, delete, discovery-file, repositories, repository-azure, shard, snapshot. See bellow important tips and explanations on these concepts

Log Context

Log”[{}] [{}] failed to delete shard snapshot file” classname is BlobStoreRepository.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

             int fileListGeneration = tuple.v2();

            try {
                indexShardSnapshotFormat.delete(blobContainer; snapshotId.getUUID());
            } catch (IOException e) {
                logger.warn(new ParameterizedMessage("[{}] [{}] failed to delete shard snapshot file"; shardId; snapshotId); e);
            }

            // Build a list of snapshots that should be preserved
            List newSnapshotsList = new ArrayList();
            for (SnapshotFiles point : snapshots) {




Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 Github Issue Number 27061  

Github Issue Number 23716  

 

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