Received response for a request that has timed out sent ms ago timed out ms ago – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-1.1

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Briefly, this error occurs when a request to the OpenSearch server takes longer than the set timeout period. This could be due to heavy load, inefficient queries, or network latency. To resolve this, you can increase the timeout value, optimize your queries for efficiency, or scale your OpenSearch cluster to handle more load. Additionally, check your network for any issues that could be causing delays.

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This guide will help you check for common problems that cause the log ” Received response for a request that has timed out; sent [{}ms] ago; timed out [{}ms] ago; ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: response, request.

Log Context

Log “Received response for a request that has timed out; sent [{}ms] ago; timed out [{}ms] ago;” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

        final String action;
        assert responseHandlers.contains(requestId) == false;
        TimeoutInfoHolder timeoutInfoHolder = timeoutInfoHandlers.remove(requestId);
        if (timeoutInfoHolder != null) {
            long time = threadPool.relativeTimeInMillis();
            logger.warn("Received response for a request that has timed out; sent [{}ms] ago; timed out [{}ms] ago; " +
                    "action [{}]; node [{}]; id [{}]"; time - timeoutInfoHolder.sentTime(); time - timeoutInfoHolder.timeoutTime();
                timeoutInfoHolder.action(); timeoutInfoHolder.node(); requestId);
            action = timeoutInfoHolder.action();
            sourceNode = timeoutInfoHolder.node();
        } else {


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