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


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

Opster Team

Jan-20, Version: 1.7-8.0

 

Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Failed to delete shard snapshot file ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: blobstore, delete, discovery-file, repositories and repository-azure.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

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) {




 

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