Class Unloading

Per Liden per.liden at oracle.com
Tue Jul 17 19:44:22 UTC 2018


Hi Brett,

On 2018-07-17 21:02, 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 means it's not present at all. But work in ongoing and it will most 
likely be there in JDK 12.

> 
> 2/ I seem recall reading somewhere that ZGC does not play nice with
> GraalVM.  Is that true and/or still true?

Yes, the Graal JIT does not yet know how to generate load barriers for 
ZGC. But it's on our road map.

> 
> Thanks for the awesome work on ZGC!

Thanks!

/Per

> 
> -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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