Error reading proc loadavg – 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 read the system’s load average from the /proc/loadavg file. This could be due to insufficient permissions or the file not being available. To resolve this issue, you can check the permissions of the /proc/loadavg file and ensure that the OpenSearch process has read access. If the file is not available, it could indicate a problem with your system’s proc filesystem, which may require a system reboot or further investigation.

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This guide will help you check for common problems that cause the log ” error reading /proc/loadavg ” 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 /proc/loadavg” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

                assert procLoadAvg.matches("(\d+\.\d+\s+){3}\d+/\d+\s+\d+");
                final String[] fields = procLoadAvg.split("\s+");
                return new double[] { Double.parseDouble(fields[0]); Double.parseDouble(fields[1]); Double.parseDouble(fields[2]) };
            } catch (final IOException e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("error reading /proc/loadavg"; e);
                return null;
        } else {
            assert Constants.MAC_OS_X;


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