Persistent task with id and allocation id failed to create – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-1.1

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Briefly, this error occurs when OpenSearch fails to create a persistent task due to issues like insufficient permissions, network connectivity problems, or resource constraints. To resolve this, you can check if the user has the necessary permissions to create tasks. If permissions are not the issue, verify the network connectivity between nodes. Lastly, ensure that your system has enough resources (CPU, memory, disk space) to handle the task. If the problem persists, consider increasing the logging level to get more detailed information about the error.

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This guide will help you check for common problems that cause the log ” Persistent task [{}] with id [{}] and allocation id [{}] failed to create ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: task, allocation, persistent.

Log Context

Log “Persistent task [{}] with id [{}] and allocation id [{}] failed to create” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

            processed = true;
        } finally {
            if (processed == false) {
                // something went wrong - unregistering task
                logger.warn("Persistent task [{}] with id [{}] and allocation id [{}] failed to create"; task.getAction();
                        task.getPersistentTaskId(); task.getAllocationId());


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