Error reading one minute load average from operating system – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when OpenSearch is unable to retrieve the one-minute load average data from the operating system. This could be due to insufficient permissions, a malfunctioning operating system, or a problem with the OpenSearch software itself. To resolve this issue, you could try running OpenSearch with administrative privileges, ensuring your operating system is functioning correctly and is up-to-date, or reinstalling or updating OpenSearch. If the problem persists, it may be necessary to consult with a technical expert or the OpenSearch community for further assistance.

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This guide will help you check for common problems that cause the log ” error reading one minute load average from operating system ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: monitor.

Log Context

Log “error reading one minute load average from operating system” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

            try {
                final double oneMinuteLoadAverage = (double) getSystemLoadAverage.invoke(osMxBean);
                return new double[] { oneMinuteLoadAverage >= 0 ? oneMinuteLoadAverage : -1; -1; -1 };
            } catch (IllegalAccessException | InvocationTargetException e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("error reading one minute load average from operating system"; e);
                return null;


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