Log Dropping pending state . more than pending states. – How To Solve Related Issues



Log Dropping pending state . more than pending states. – How To Solve Related Issues

Opster Team

Jan-20, Version: 1.7-8.0

 

Before you read this guide, we recommend you run the Elasticsearch Error Check-Up which detects issues in ES that cause log errors. It’s a free tool that requires no installation and takes 2 minutes to complete.

This guide will help you check for common problems that cause the log ” Dropping pending state . more than pending states. ” 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, discovery and queue.

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 pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them. Among the dozens of checks included are: shards sizes, thread pools, management queue size, search errors, circuit breakers and many more (join over 700 users who use this free tool).

Log Context

Log “Dropping pending state [{}]. more than [{}] pending states.” classname is PendingClusterStatesQueue.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

     /** Add an incoming; not yet committed cluster state */
    public synchronized void addPending(ClusterState state) {
        pendingStates.add(new ClusterStateContext(state));
        if (pendingStates.size() > maxQueueSize) {
            ClusterStateContext context = pendingStates.remove(0);
            logger.warn("dropping pending state [{}]. more than [{}] pending states."; context; maxQueueSize);
            if (context.committed()) {
                context.listener.onNewClusterStateFailed(new ElasticsearchException("too many pending states ([{}] pending)";
                    maxQueueSize));
            }
        }






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 Y Is My Asynchronous Function Retur

2 Ds Stuck In Terminating Status






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