Log Failed to schedule/execute reroute post unassigned shard – How To Solve Related Issues

Log Failed to schedule/execute reroute post unassigned shard – 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 schedule/execute reroute post unassigned shard” it’s important to understand a few problems related to Elasticsearch concepts allocation, cluster, routing, shard. See bellow important tips and explanations on these concepts

Log Context

Log”Failed to schedule/execute reroute post unassigned shard” classname is DelayedAllocationService.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

         }

        
Override
        public void onFailure(String source; Exception e) {
            removeIfSameTask(this);
            logger.warn("failed to schedule/execute reroute post unassigned shard"; e);
        }
    }

    
Inject
    public DelayedAllocationService(ThreadPool threadPool; ClusterService clusterService;


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 Could Not Reassign Unassigned Shard  

Github Issue Number 9602  

 

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