MaxTenuringThreshold available in ParNewGC?

Li Li fancyerii at gmail.com
Tue Jan 10 01:49:10 PST 2012


btw, is there any web page that list all the jvm parameters and their
default values? I am confused that they are distributed in many documents
and some are deprecated.

On Tue, Jan 10, 2012 at 5:31 PM, Li Li <fancyerii at gmail.com> wrote:

> hi all
>    I have an application that generating many large objects and then
> discard them. I found that full gc can free memory from 70% to 40%.
> btw, is there any web page that list all JVM parameters and their default
> values?
>



>  I want to let this objects in young generation longer. I found
> -XX:MaxTenuringThreshold and -XX:PretenureSizeThreshold.
>    But I found a blog that says MaxTenuringThreshold is not used in
> ParNewGC.
> And I use ParNewGC+CMS. I tried to set MaxTenuringThreshold=10, but it
> seems no difference.
>
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