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

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

Updated: Jan-20

Elasticsearch Version: 1.7-8.0

Background

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To troubleshoot log “Failed to snapshot shard” it’s important to understand a few problems related to Elasticsearch concepts shards, snapshot, snapshots. See bellow important tips and explanations on these concepts

Log Context

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

                     snapshot(indexShard; snapshot; indexId; shardEntry.getValue());
                }

                
Override
                public void onFailure(Exception e) {
                    logger.warn(() -> new ParameterizedMessage("[{}][{}] failed to snapshot shard"; shardId; snapshot); e);
                    failure.set(e);
                }

                
Override
                public void onRejection(Exception e) {


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 7427  

Github Issue Number 23716  

Snapshot Failed With Partial State/

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