Project proposal: Shenandoah

Roman Kennke roman at
Thu Feb 19 18:45:13 UTC 2015

I am sorry, that email was incomplete. The complete proposal should show
up in some seconds. Please don't discuss on this thread.


Am Donnerstag, den 19.02.2015 um 19:21 +0100 schrieb Roman Kennke:
> I'd like to discuss the creation of the project Shenandoah with myself
> *and/or* Christine Flood as initial lead and the Hotspot group as
> sponsoring group.
> It's aim is to implement a new garbage collector that reduces GC pause
> times for applications that require really large heaps. Existing GCs
> show pause times of several 100ms up to several seconds on heaps >
> 100GB. That is because they need to stop all Java threads for compacting
> the heap. Shenandoah implements a new algorithm that allows to compact
> heap without stopping the Java threads, and thus make pause times
> unrelated to the heap size.
> Shenandoah has so far been developed as part of the IcedTea project:

More information about the discuss mailing list