CFV: New Project: ZGC

[Andrew Haley]

On 26/10/17 16:42, Volker Simonis wrote:
> 1. What are the benefits / advantages of ZGC over Shenandoah?
> 2. Does it make sense to have both, ZGC and Shenandoah in the main code line?
> 2.1 If yes, why?
> 2.2 If no, why you propose ZGC at all and not contribute to
> Shenandoah? It's there since more than two years! That you already
> worked on ZGC for some time as well doesn't count here because we (the
> OpenJDK community) couldn't see that and had no chance to contribute
> to it.
> 3. Oracle has just deprecated CMS and other collectors because
> according to Oracle it was just too expensive to maintain that many
> collectors in parallel. Now I wonder how yet another new collector
> fits into the picture?
> 
> The answer to all these question would be important for me before
> casting a qualified vote.

Yep.  It would be unfortunate if it appeared that all this was being
done without the preparation required of external contributors.

-- 
Andrew Haley
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
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