High Use of Virtual Memory Noted for Java Process (Doc ID 2291736.1)

Last updated on AUGUST 17, 2017

Applies to:

Java SE JDK and JRE - Version 6 and later
Information in this document applies to any platform.

Symptoms

Though the diagnostic commands referenced in this section are Unix commands, the Cause and Solution of this article apply to any platform.

A Java process takes up high virtual memory on the system level as observed by using ps command.  The ps command output shows high VM usage but the CPU usage is normal.  Pmap output shows big chunks of [anon] space unused.  There is No Java error message in this situation.

 

Changes

 

Cause

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