8377949: TestZRelocationSetEvent.java intermittent fails OOME

[sendaoYan]

Hi all,

This pull request contains a backport of commit cb706549 from the openjdk/jdk repository.

The commit being backported was authored by SendaoYan on 20 Feb 2026 and was reviewed by Stefan Karlsson and Markus Grönlund.

Thanks!

---

Progress

• JDK-8377949 needs maintainer approval
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8377949: TestZRelocationSetEvent.java intermittent fails OOME (Bug - P4 - Approved)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk26u.git pull/66/head:pull/66
$ git checkout pull/66

Update a local copy of the PR:
$ git checkout pull/66
$ git pull https://git.openjdk.org/jdk26u.git pull/66/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 66

View PR using the GUI difftool:
$ git pr show -t 66

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk26u/pull/66.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back syan! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@sendaoYan This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8377949: TestZRelocationSetEvent.java intermittent fails OOME

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 57 new commits pushed to the master branch:

• a87563e: 8372377: Test java/io/File/GetXSpace.java failed: The system cannot find the path specified
• 1b67e79: 8378201: [OGL] glXMakeContextCurrent() drops the buffers of the unbound drawable
• 0c9b667: 8278102: containers/docker/TestJcmd.java failed with "RuntimeException: Could not find specified process"
• ... and 54 more: https://git.openjdk.org/jdk26u/compare/748420b2e78844755d4a5524b2f93a30bf67b53f...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

⚠️ @sendaoYan This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[mlbridge]

Webrevs

• 00: Full (29eb4035)

[bridgekeeper]

@sendaoYan This pull request has been inactive for more than 4 weeks and will be automatically closed if another 4 weeks passes without any activity. To avoid this, simply issue a /touch or /keepalive command to the pull request. Feel free to ask for assistance if you need help with progressing this pull request towards integration!

[sendaoYan]

/approval request Clean backport to reduce the max heap size to make test more robustness, change has been verified locally on linux-x64 by run the test test/jdk/jdk/jfr/event/gc/detailed/TestZRelocationSetEvent.java. Test-fix only, no risk.

[openjdk]

@sendaoYan
8377949: The approval request has been created successfully.

[sendaoYan]

Thanks for the approved.

/integrate

[openjdk]

Going to push as commit 1ccd3e0.
Since your change was applied there have been 57 commits pushed to the master branch:

• a87563e: 8372377: Test java/io/File/GetXSpace.java failed: The system cannot find the path specified
• 1b67e79: 8378201: [OGL] glXMakeContextCurrent() drops the buffers of the unbound drawable
• 0c9b667: 8278102: containers/docker/TestJcmd.java failed with "RuntimeException: Could not find specified process"
• ... and 54 more: https://git.openjdk.org/jdk26u/compare/748420b2e78844755d4a5524b2f93a30bf67b53f...master

Your commit was automatically rebased without conflicts.

[openjdk]

@sendaoYan Pushed as commit 1ccd3e0.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.