Isolating datafeeds: – How to solve related issues

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Isolating datafeeds: – 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 ” Isolating datafeeds: ” 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: plugin and upgrade.

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 (free tool that requires no installation).

Log Context


Log “Isolating datafeeds:” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

    private void isolateDatafeeds(PersistentTasksCustomMetaData tasksCustomMetaData;
                                  ActionListener> listener) {
        Set datafeedsToIsolate = MlTasks.startedDatafeedIds(tasksCustomMetaData);"Isolating datafeeds: " + datafeedsToIsolate.toString());
        TypedChainTaskExecutor isolateDatafeedsExecutor =
            new TypedChainTaskExecutor(client.threadPool().executor(executor()); r -> true; ex -> true);

        datafeedsToIsolate.forEach(datafeedId -> {
            IsolateDatafeedAction.Request isolationRequest = new IsolateDatafeedAction.Request(datafeedId);


Run the Check-Up to get a customized report like this:

Analyze your cluster