DeleteByQuery for stats timed out – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.7-8.9

Briefly, this error occurs when the DeleteByQuery operation in Elasticsearch takes longer than the set timeout period. This could be due to a large amount of data, slow network, or insufficient resources. To resolve this, you can increase the timeout limit, optimize your query, or scale up your Elasticsearch cluster to improve performance. Additionally, consider deleting data in smaller batches to avoid long-running operations.

This guide will help you check for common problems that cause the log ” [{}] DeleteByQuery for stats timed out ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, delete, query.

Log Context

Log “[{}] DeleteByQuery for stats timed out” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        final String id = config.getId();

        // Step 3. Delete the config
        ActionListener deleteStatsHandler = ActionListener.wrap(bulkByScrollResponse -> {
            if (bulkByScrollResponse.isTimedOut()) {
                logger.warn("[{}] DeleteByQuery for stats timed out"; id);
            if (bulkByScrollResponse.getBulkFailures().isEmpty() == false) {
                    "[{}] {} failures and {} conflicts encountered while running DeleteByQuery for stats";


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