Failed to submit schedule/execute reroute post unassigned shard – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run 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 submit schedule/execute reroute post unassigned shard ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: allocation, cluster, routing and shard.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “Failed to submit 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 :

                     clusterService.submitStateUpdateTask(CLUSTER_UPDATE_TASK_SOURCE; DelayedRerouteTask.this);
                }

                
Override
                public void onFailure(Exception e) {
                    logger.warn("failed to submit schedule/execute reroute post unassigned shard"; e);
                    removeIfSameTask(DelayedRerouteTask.this);
                }
            }; nextDelay; ThreadPool.Names.SAME);
        }




 

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