G1gc compaction algorithm

[Martin Makundi]

>
>
> On Wed, 2014-07-16 at 10:02 +0300, Martin Makundi wrote:
> > > > +PrintHeapAtGC -XX:+PrintHeapAtGCExtended .
> >
> > Does it print only on Full GC or any GC? Any gc might be an overkill.
>
> Unfortunately any GC :/
>
> >
> > >  You want that probably:
> > > https://bugs.openjdk.java.net/browse/JDK-8038487
> >
> > I cannot comment (didn't find a way to register as user) on that entry
> > but you could add a comment on my behalf that   "continuous parallel
> > compaction"  would be nice.
>
> I can add a comment, but what do you mean with "continuous parallel
> compaction" if I may ask, and what exact purpose does it serve?
>
> The terms are too generic to me to discern any particular functionality.
>

I mean that currently compacting occurs on full gc meaning stop-the-world.
Would be nice if compacting would occur in parallel while app is running
and taking into account all timing targets such as MaxGCPauseMillis etc.

**
Martin

>
> Thanks,
>   Thomas
>
>
>
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