OS reported a negative free memory value – How to solve related issues

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OS reported a negative free memory value – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” OS reported a negative free memory value ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: memory and monitor.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “OS reported a negative free memory value [{}]” classname is OsProbe.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

             return 0;
        }
        try {
            final long freeMem = (long) getFreePhysicalMemorySize.invoke(osMxBean);
            if (freeMem 

 

Run the Check-Up to get customized insights on your system:

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