On Mon, 7 Jul 2025 07:53:24 GMT, Albert Mingkun Yang <ay...@openjdk.org> wrote:

>> Yes. I don't think it is exceeding overhead limit only problem, but OOM and 
>> heap dump have to be, in a sense of `atomic`. We encountered  this problem 
>> in real production system.
>
>> but OOM and heap dump have to be, in a sense of atomic
> 
> I see; it can indeed be annoying that heap-dump doesn't capture the intended 
> snapshot -- a java thread can trigger a gc that changes heap-content. 
> However, AFAICS, fixing that non-atomic issue requires updating callers of 
> `report_java_out_of_memory`. Therefore, I am inclined to think it should be 
> addressed in its own ticket. It's a preexisting issue on master as well, not 
> sth newly introduced by this PR.

Does https://bugs.openjdk.org/browse/JDK-8347833 match the problem you have in 
mind?

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PR Review Comment: https://git.openjdk.org/jdk/pull/25000#discussion_r2189284517

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