8272318: Improve performance of HeapDumpAllTest

[shipilev]

Clean backport to improve testing.

Additional testing:

• Affected test still passes

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8272318: Improve performance of HeapDumpAllTest

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk11u-dev pull/337/head:pull/337
$ git checkout pull/337

Update a local copy of the PR:
$ git checkout pull/337
$ git pull https://git.openjdk.java.net/jdk11u-dev pull/337/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 337

View PR using the GUI difftool:
$ git pr show -t 337

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk11u-dev/pull/337.diff

[bridgekeeper]

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[openjdk]

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

[openjdk]

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

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

8272318: Improve performance of HeapDumpAllTest

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 no new commits pushed to the master branch. If another commit should be pushed before you perform the /integrate command, your PR will be automatically rebased. If you prefer to avoid any potential 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.

[mlbridge]

Webrevs

• 00: Full (7c17c1a6)

[shipilev]

Got the push approval.

/integrate

[openjdk]

Going to push as commit 78e18d4.
Since your change was applied there have been 42 commits pushed to the master branch:

• 7627023: 8215410: Regression test for JDK-8214994
• 8a2cb87: 8129310: java/net/Socket/asyncClose/AsyncClose.java fails intermittently
• 86cd9ba: 8213189: Make restricted headers in HTTP Client configurable and remove Date by default
• 18e519c: 8256066: Tests use deprecated TestNG API that is no longer available in new versions
• 0a40175: 8216318: The usage of Disposer in the java.awt.Robot can be deleted
• ef06175: 8197560: test javax/swing/JTree/8003400/Test8003400.java fails
• b65b79b: 8271560: sun/security/ssl/DHKeyExchange/LegacyDHEKeyExchange.java still fails due to "An established connection was aborted by the software in your host machine"
• 9f51a40: 8270344: Session resumption errors
• a925af4: 8259237: Demo selection changes with left/right arrow key. No need to press space for selection.
• 9d29c77: 8217633: Configurable extensions with system properties
• ... and 32 more: https://git.openjdk.java.net/jdk11u-dev/compare/1868c15d4e5d03895a4a07edacd864021dfbac57...master

Your commit was automatically rebased without conflicts.

[openjdk]

@shipilev Pushed as commit 78e18d4.

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