Submitted JEP 189: Shenandoah: An Ultra-Low-Pause-Time Garbage Collector

Christine Flood chf at redhat.com
Thu May 5 13:19:24 UTC 2016


I'm putting together an easily digested document on the changes we've made outside of the core Shenandoah directory.

I should have something by the end of next week.

Christine


----- Original Message -----
> From: "mark reinhold" <mark.reinhold at oracle.com>
> To: hotspot-gc-dev at openjdk.java.net, "Christine Flood" <chf at redhat.com>, "Roman Kennke" <rkennke at redhat.com>
> Sent: Wednesday, May 4, 2016 10:56:21 AM
> Subject: Submitted JEP 189: Shenandoah: An Ultra-Low-Pause-Time Garbage Collector
> 
> HotSpot GC developers -- Christine recently moved this JEP [1] to the
> Submitted state.  Roman has made point proposals for some preparatory
> changes but there's been little response, so far, from anyone else on
> this list.  As noted in JEP 1 [2], having consensus around a proposal
> is an essential part of moving a JEP forward.  I'd therefore like to
> hear your views, not just on Roman's first proposals but on Shenandoah
> as a whole, especially with regard to the additional read and write
> barriers that would be needed and the potential for those to affect
> the existing collectors and also the run-time system.
> 
> Christine and Roman -- I think it'd help for you to post a detailed
> plan of all that you'd want to change outside of Shenandoah itself, so
> that others can understand its potential impact.  Such a plan would be
> easier to evaluate than a series of point changes, and can eventually
> be merged into the text of the JEP for the record.
> 
> - Mark
> 
> 
> [1] http://openjdk.java.net/jeps/189
> [2] http://openjdk.java.net/jeps/1
> 



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