[jdk21u-dev] RFR: 8330523: Reduce runtime and improve efficiency of KeepAliveTest

Tue May 7 21:26:23 UTC 2024

Hi all,

This pull request contains a backport of [JDK-8330523](https://bugs.openjdk.org/browse/JDK-8330523), commit [8eac95ec](https://github.com/openjdk/jdk22u/commit/8eac95ec3cd4b215556d788b9ade7a6e2f9deaa3) from the [openjdk/jdk22u](https://git.openjdk.org/jdk22u) repository.

The commit being backported was authored by Christoph Langer on 7 May 2024 and had no reviewers.

Thanks!

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Commit messages:
 - Backport 8eac95ec3cd4b215556d788b9ade7a6e2f9deaa3

Changes: https://git.openjdk.org/jdk21u-dev/pull/558/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=558&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8330523
  Stats: 1230 lines in 1 file changed: 75 ins; 1012 del; 143 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/558.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/558/head:pull/558

PR: https://git.openjdk.org/jdk21u-dev/pull/558