On Thu, 4 Mar 2021 02:48:44 GMT, Lin Zang <lz...@openjdk.org> wrote:

>> The fix is fairly big and could use some explaining. Can you provide a bit 
>> more detail on what the bug is? In the CR you mention it is due to the 
>> combination of a very large array and the segmented heap dump support, but 
>> don't really explain what the actual bug is. You can add this detail to the 
>> CR rather than here.  Also can explain your solution, especially this new 
>> `writeThrough` mode? Thanks.
>
> Hi Chris,
> 
> Thanks for your review, I found there is a potential risk for huge object 
> dumping with this PR, I would work out an update and then add the 
> explaination in the CR.
> Thanks!
> 
> BRs,
> Lin

Thanks for the explanation in the CR. That helps a lot. I didn't have time to 
get through the review today, but will do so tomorrow.

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PR: https://git.openjdk.java.net/jdk/pull/2803

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