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From Kirthi Prabhu <>
Subject Jmeter 64 bit> Out of memory exception
Date Tue, 08 Feb 2011 18:21:07 GMT
Hi All,

I am using Jmeter on 64 bit machine which has 32 GB RAM. And I use the
following setting.
set HEAP=-Xms256m -Xmx4096m
set NEW=-XX:NewSize=128m -XX:MaxNewSize=128m
set SURVIVOR=-XX:SurvivorRatio=8 -XX:TargetSurvivorRatio=50%
set TENURING=-XX:MaxTenuringThreshold=2
set EVACUATION=-XX:MaxLiveObjectEvacuationRatio=20%
set RMIGC=-Dsun.rmi.dgc.client.gcInterval=600000
set PERM=-XX:PermSize=64m -XX:MaxPermSize=4096m

Inspite if using 4GB HEAP Size as MAX, I get Java Heap size issue and
the script hangs.
I am using the script for duration test which will run for 12 hrs.
My script has 10 threads. 
For each thread I am using Loop=72
Each thread has 10-15 transaction
Virtual users for 5 threads are 20 and the rest 100Vusers= total
There is only 1 summary report enabled.
There are 1 counter and 1 gaussian timers for each thread.

Please let me know what is going wrong. 

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