RFR: 8252104: parallel heap inspection for ShenandoahHeap [v2]

[Lin Zang]

On Wed, 9 Sep 2020 03:00:26 GMT, Lin Zang <lzang at openjdk.org> wrote:

>> Thanks, this looks interesting.
>> 
>> I need more time to digest this. It feels like we can merge together the parallel (new) and serial (old) heap iteration
>> code for better maintainability. I could try to do so later.
>
> Thanks @shipilev， This is shenandoah support based on parallel heap inspection enabling in serviceability (tracked with
> https://bugs.openjdk.java.net/browse/JDK-8215624). hope it is helpful for your review.

Hi @shipilev,
     I have update a PR that trying to reuse code in serial and parallel heap iteration.
     would you like to review again? Thanks
-Lin

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PR: https://git.openjdk.java.net/jdk/pull/67