Explanation about code in jmeter.bat

["Dang Quoc Bao (FHO.FSB)" <Ba...@fsoft.com.vn>]

Hi everyone!
I open file jmeter.bat by notepad, and I see some lines code. They are:
set HEAP=-Xms2048m -Xmx2048m
set NEW=-XX:NewSize=128m -XX:MaxNewSize=128m
set SURVIVOR=-XX:SurvivorRatio=8 -XX:TargetSurvivorRatio=50%
set TENURING=-XX:MaxTenuringThreshold=2
set PERM=-XX:PermSize=512m -XX:MaxPermSize=512m -XX:+CMSClassUnloadingEnabled

However, I don't know meaning of these code. Can someone help me to explain it?
Special, Why set HEAP=-Xms2048m -Xmx2048m

Thanks you very much
Best Regards
Dang Quoc Bao

Re: Explanation about code in jmeter.bat

[Milamber <mi...@apache.org>]

Your jmeter.bat seems be modified on the values in comparison the 
original version.

You can have the explanation of the parameters here:
http://docs.oracle.com/javase/7/docs/technotes/tools/windows/java.html
http://www.oracle.com/technetwork/java/vmoptions-jsp-140102.html


On 24/09/2015 05:03, Dang Quoc Bao (FHO.FSB) wrote:
> Hi everyone!
> I open file jmeter.bat by notepad, and I see some lines code. They are:
> set HEAP=-Xms2048m -Xmx2048m
> set NEW=-XX:NewSize=128m -XX:MaxNewSize=128m
> set SURVIVOR=-XX:SurvivorRatio=8 -XX:TargetSurvivorRatio=50%
> set TENURING=-XX:MaxTenuringThreshold=2
> set PERM=-XX:PermSize=512m -XX:MaxPermSize=512m -XX:+CMSClassUnloadingEnabled
>
> However, I don't know meaning of these code. Can someone help me to explain it?
> Special, Why set HEAP=-Xms2048m -Xmx2048m
>
> Thanks you very much
> Best Regards
> Dang Quoc Bao
>
>
>


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