Log Cant read metadata from store; will not reuse local files during restore – How To Solve Related Issues

Log Cant read metadata from store; will not reuse local files during restore – 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 “Cant read metadata from store; will not reuse local files during restore” it’s important to understand a few problems related to Elasticsearch concepts blobstore, discovery-file, repositories, restore. See bellow important tips and explanations on these concepts

Log Context

Log”[{}] [{}] Can’t read metadata from store; will not reuse local files during restore” classname is FileRestoreContext.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

             } catch (org.apache.lucene.index.IndexNotFoundException e) {
                // happens when restore to an empty shard; not a big deal
                logger.trace("[{}] [{}] restoring from to an empty shard"; shardId; snapshotId);
                recoveryTargetMetadata = Store.MetadataSnapshot.EMPTY;
            } catch (IOException e) {
                logger.warn(new ParameterizedMessage("[{}] [{}] Can't read metadata from store; will not reuse local files during restore";
                    shardId; snapshotId); e);
                recoveryTargetMetadata = Store.MetadataSnapshot.EMPTY;
            }

            final List filesToRecover = new ArrayList();




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 At Does Stale File Handle In Linux  

Github Issue Number 37960  

Github Issue Number 36816

 

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