Briefly, this error occurs when Elasticsearch’s JVM memory statistics report a negative total memory, which is an unexpected and invalid value. This could be due to a bug in the JVM, or an issue with the operating system’s memory reporting. To resolve this issue, you could try updating your JVM to the latest version, or check your operating system’s memory management for any anomalies. If the problem persists, consider contacting Elasticsearch support or your system administrator for further assistance.
This guide will help you check for common problems that cause the log ” negative total memory [{}] found in memory stats ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: monitor, memory.
Log Context
Log “negative total memory [{}] found in memory stats” classname is OsStats.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
assert total >= 0 : "expected total memory to be positive; got: " + total;
assert adjustedTotal >= 0 : "expected adjusted total memory to be positive; got: " + adjustedTotal;
assert free >= 0 : "expected free memory to be positive; got: " + free;
// Extra layer of protection for when assertions are disabled
if (total
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