RFR: 8359272: Several vmTestbase/compact tests timed out on large memory machine

[SendaoYan]

On Thu, 12 Jun 2025 11:35:36 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Hi all,
>> 
>> We observed 4 vmTestbase/vm/gc/compact tests run timed out on large physical memory machine (755G memory) with jtreg args `-timeoutFactor:4`. The other vmTestbase tests do not observed the same failure.
>> The tested class `vm.gc.compact.Compact` create lots objects util trigger OOM exception. But if the tested machine has very large physica memory, these tests need takes lots of time to finish.
>> So this PR add jvm args `-Xmx3G` to make these tests will run finish in a deterministic time. Change has been verified locally, test-fix only, no risk.
>
> Marked as reviewed by ayang (Reviewer).

@albertnetymk @tschatzl Thanks for the reviews.

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PR Comment: https://git.openjdk.org/jdk/pull/25771#issuecomment-2969570032