ParNew - how does it decide if Full GC is needed

Bernd Eckenfels bernd-2014 at eckenfels.net
Thu May 8 00:40:24 UTC 2014


Am Wed, 7 May 2014 19:34:20 -0400
schrieb Vitaly Davidovich <vitalyd at gmail.com>:

> The vm args are:
> 
> -Xms16384m -Xmx16384m -Xmn16384m -XX:NewSize=12288m
> -XX:MaxNewSize=12288m -XX:SurvivorRatio=10

Hmm... you have confliciting arguments here, MaxNewSize overwrites Xmn.
You will get 16384-12288=4gb old size, thats quite low. As you can see
in your FullGC the steady state after FullGC has filled it nearly
completely.

Gruss
Bernd


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