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Support Article

Heap memory is going down frequently.



Heap memory is not recovering properly

Error Messages


Steps to Reproduce


Root Cause

HeapMemory utilization is more than 90%. JVM arguemnts might be causing the issue.


This issue is resolved by making the following change to the PRPC operating environment: 

JVM arguments updated to below.

-Xms4096m -Xmx4096m -XX:+UseAdaptiveSizePolicy -XX:PermSize=256m -XX:MaxPermSize=1448m -XX:NewSize=1365m -XX:MaxNewSize=1365m -XX:+UseParallelGC -XX:+UseParallelOldGC -XX:ParallelGCThreads=4 -XX:LargePageSizeInBytes=256m -XX:+UseParallelGC -XX:ParallelGCThreads=6 -Xnoclassgc -XX:SurvivorRatio=16 -Xloggc:c:/gc-ui.txt -XX:+PrintGC -XX:+PrintGCDetails -XX:+PrintGCTimeStamps"


Published January 31, 2016 - Updated October 8, 2020

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