Integrated: 8373086: Make isexceeded001.java more robust

[Albert Mingkun Yang]

On Thu, 4 Dec 2025 09:30:49 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> The original intended fix is to increase initial-heap-size so avoid gc, captured in [JDK-8373022](https://bugs.openjdk.org/browse/JDK-8373022). This is an alternative, which makes the test more resilient to changes in heaps/gcs.
> 
> Running `vmTestbase/nsk/monitoring/MemoryPoolMBean/isUsageThresholdExceeded/isexceeded002/TestDescription.java`
> with `-XX:+UseParallelGC -Xcomp -XX:-TieredCompilation -XX:InitialRAMPercentage=0` fails about 10% of the time.
> 
> After applying the fix, `isexceeded002` passes 2,000 runs.

This pull request has now been integrated.

Changeset: 4d696d0d
Author:    Albert Mingkun Yang <ayang at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/4d696d0d0ed523e3c99c68214586673913b1c7b5
Stats:     8 lines in 2 files changed: 1 ins; 6 del; 1 mod

8373086: Make isexceeded001.java more robust

Reviewed-by: jsikstro, tschatzl

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PR: https://git.openjdk.org/jdk/pull/28655