Log Persistent task – How To Solve Related Issues



Log Persistent task – How To Solve Related Issues

Opster Team

Jan-20, Version: 1.7-8.0



Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up  which can resolve issues causing many log errors (free and no installation required)

 

This guide will help you check for common problems that cause the log “Persistent task” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: cluster, persistent, task.


Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to discover the cause of many errors and provides suitable actionable recommendations. 

Log Context

Log”Persistent task” classname is PersistentTasksClusterService.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

      * 
param listener     the listener that will be called when task is removed
     */
    public void completePersistentTask(String id; long allocationId; Exception failure; ActionListener> listener) {
        final String source;
        if (failure != null) {
            logger.warn("persistent task " + id + " failed"; failure);
            source = "finish persistent task (failed)";
        } else {
            source = "finish persistent task (success)";
        }
        clusterService.submitStateUpdateTask(source; new ClusterStateUpdateTask() {



 

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 35792  

Github Issue Number 29608  

 

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