RFR (XL): JDK-8086706 Parallel Full GC for CMS

Jon Masamitsu jon.masamitsu at oracle.com
Mon Aug 3 18:53:51 UTC 2015


Jungwoo,

As you can see no one has stepped up to do your review.
We’ve talked about it amongst the active GC committers.
It’s a large change and would require a very significant
commitment of anyone’s time.  As is obvious, our focus
is on G1.  And right now we’re in the position of having to
push tasks we’ve long planned for JDK 9 out into a JDK 9
update.  No one I’ve talked with is willing to push off more
of our G1 work to get this patch in.  And as maintainers
of the HotSpot GC's due diligence is required of us before
we can accept this change.

Jon

PS.  I saw that you said you had started another thread for this
discussion (or maybe the discussion of the JEP) but I could not
it.    Please feel free to repost this under the new subject.

On 06/27/2015 05:48 PM, Jungwoo Ha wrote:
> Sorry for the long wait. So many things have cleaned up on JDK9.
> Here is the webrev against jdk9/hs-rt.
> http://cr.openjdk.java.net/~jwha/8086706/webrev.jdk9.00 
> <http://cr.openjdk.java.net/%7Ejwha/8086706/webrev.jdk9.00>
>
> I am preparing for the JEP doc.
>
>
> On Thu, Jun 11, 2015 at 12:31 PM, Kim Barrett <kim.barrett at oracle.com 
> <mailto:kim.barrett at oracle.com>> wrote:
>
>     On Jun 11, 2015, at 12:33 PM, Volker Simonis
>     <volker.simonis at gmail.com <mailto:volker.simonis at gmail.com>> wrote:
>     >
>     > Hi,
>     >
>     > if nobody has already started doing it, I'll try to forward port the
>     > patch to jdk9/hs-gc/hotspot.
>
>     You’ll want to use jdk9/hs-rt rather than jdk9/hs-gc.
>
>
>
>
>
> -- 
> Jungwoo Ha | Java Platform Team | jwha at google.com <mailto:jwha at google.com>
>

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