Class Unloading

coleen.phillimore at coleen.phillimore at
Tue Jul 17 19:57:24 UTC 2018

On 7/17/18 3:02 PM, Brett Wooldridge wrote:
> I have two questions:
> 1/ I understand from the slides that class unloading is "not yet".  But
> does this mean that class unloading is simply not present, or that it *is
> present* but not parallel?

It's not presently done.  We're currently working on stop the world 
class unloading first and then concurrent class unloading next.

I'll leave it to the others to answer the second question (I believe 
that the load barriers are missing in graal so ZGC won't work with 
graal), and to claim the beer.

> 2/ I seem recall reading somewhere that ZGC does not play nice with
> GraalVM.  Is that true and/or still true?
> Thanks for the awesome work on ZGC!
> -Brett
> p.s. a case of your choice of beer to whoever gets ZGC into the official
> JDK builds for MacOS X.

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