On Sun, 6 Jul 2025 20:47:20 GMT, Albert Mingkun Yang <ay...@openjdk.org> wrote:
>> src/hotspot/share/gc/parallel/parallelArguments.cpp line 71:
>>
>>> 69: // True in product build, since tests using debug build often stress
>>> GC
>>> 70: if (FLAG_IS_DEFAULT(UseGCOverheadLimit)) {
>>> 71: FLAG_SET_DEFAULT(UseGCOverheadLimit, trueInProduct);
>>
>> Given only Parallel honors `UseGCOverheadLimit`, you may want to set the
>> default to `trueInProduct` in `gc_globals.hpp`
>
> It's indeed that only Parallel implements this flag. However, if we decide to
> change the default value of this flag globally, I feel we should do that in
> its own PR for better visibility. Currently, this changes the default value
> only for Parallel, as one expects in a PR titled "Parallel: ...".
Okay.
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PR Review Comment: https://git.openjdk.org/jdk/pull/25000#discussion_r2190120397
