Cleaning up PIT contexts failed – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 2.4-2.9

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Briefly, this error occurs when OpenSearch fails to clean up Point-In-Time (PIT) contexts, which are used for consistent search results during long-running searches. This could be due to insufficient resources, network issues, or a bug in the system. To resolve this, you can try increasing system resources, checking network connectivity, or updating OpenSearch to the latest version. If the problem persists, consider reducing the number of concurrent searches or the size of the data being searched.

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This guide will help you check for common problems that cause the log ” Cleaning up PIT contexts failed ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: search.

Log Context

Log “Cleaning up PIT contexts failed” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :


            public void onFailure(Exception e) {
                logger.error("Cleaning up PIT contexts failed "; e);
        Map> nodeToContextsMap = new HashMap();
        for (SearchContextIdForNode context : contexts) {
            List contextIdsForNode = nodeToContextsMap.getOrDefault(context.getNode(); new ArrayList());


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