How To Solve Issues Related to Log – Failed to write shard state

How To Solve Issues Related to Log – Failed to write shard state

Updated: Feb-20

Elasticsearch Version: 1.7-8.0

Background

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

Log Context

Log”failed to write shard state” classname is IndexShard.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 final ShardStateMetaData newShardStateMetadata = new ShardStateMetaData(newRouting.version(); newRouting.primary();
                        getIndexUUID());
                logger.trace("{} writing shard state; reason [{}]"; shardId; writeReason);
                ShardStateMetaData.FORMAT.write(newShardStateMetadata; newShardStateMetadata.version; shardPath().getShardStatePath());
            } catch (IOException e) { // this is how we used to handle it.... 🙁
                logger.warn("failed to write shard state"; e);
                // we failed to write the shard state; we will try and write
                // it next time...
            }
        }
    }




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 Error Failed To Write Index State  

Replica Shard Is In Unallocated Sta  

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