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

OS reported a negative total 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 total memory value ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the 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 which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

Log “OS reported a negative total 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 totalMem = (long) getTotalPhysicalMemorySize.invoke(osMxBean);
            if (totalMem 

 

Run the Check-Up to get a customized report like this:

Analyze your cluster