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8294677: chunklevel::MAX_CHUNK_WORD_SIZE too small for some applications #1142

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@tstuefe tstuefe commented Feb 1, 2023

Downport is not clean. Patch did not merge cleanly, but only due to trivial comment changes introduced with "8273783: Simplify Metaspace arena guard handling" in test/hotspot/gtest/metaspace/test_metaspace_misc.cpp . I don't plan to downport 8273783.


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  • JDK-8294677: chunklevel::MAX_CHUNK_WORD_SIZE too small for some applications

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bridgekeeper bot commented Feb 1, 2023

👋 Welcome back stuefe! 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 openjdk bot changed the title Backport 2292ce137c16accf0622600d5a096403b8a8058d 8294677: chunklevel::MAX_CHUNK_WORD_SIZE too small for some applications Feb 1, 2023
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openjdk bot commented Feb 1, 2023

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

@openjdk openjdk bot added backport rfr Pull request is ready for review labels Feb 1, 2023
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mlbridge bot commented Feb 1, 2023

Webrevs

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@phohensee phohensee left a comment

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Lgtm.

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openjdk bot commented Feb 1, 2023

@tstuefe 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:

8294677: chunklevel::MAX_CHUNK_WORD_SIZE too small for some applications

Reviewed-by: phh, xliu

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 1 new commit pushed to the master branch:

  • 83c0805: 8289948: Improve test coverage for XPath functions: Node Set Functions

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
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 openjdk bot added the ready Pull request is ready to be integrated label Feb 1, 2023
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LGTM.

I think this patch is safe. It horizontally extends the maximal chunk of metaspace from 4M to 16M. The only side effect is that the updated jdk increases the reserve space for MetaSpace from 8Mb to 16Mb on LP32 systems. It's fine.

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tstuefe commented Feb 3, 2023

Tested:

  • manually ran hotspot_metaspace on x64 and x86
  • SAP nightlies
  • GHAs
  • I also manually tested x64 to check that we don't have a memory usage regression.

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tstuefe commented Feb 5, 2023

/integrate

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openjdk bot commented Feb 5, 2023

Going to push as commit ddd9631.
Since your change was applied there have been 11 commits pushed to the master branch:

  • 0ed3689: 8299194: CustomTzIDCheckDST.java may fail at future date
  • 2fa09bb: 8290836: Improve test coverage for XPath functions: String Functions
  • fe770e3: 8299296: Write a test to verify the components selection sends ItemEvent
  • 38eb0d6: 8293326: jdk/sun/security/tools/jarsigner/compatibility/SignTwice.java slow on Windows
  • 012a216: 8289400: Improve com/sun/jdi/TestScaffold error reporting
  • c74eb2b: 8292066: Convert TestInputArgument.sh and TestSystemLoadAvg.sh to java version
  • 78c6be2: 8292443: Weak CAS VarHandle/Unsafe tests should test always-failing cases
  • 50c3433: 8291825: java/time/nontestng/java/time/zone/CustomZoneNameTest.java fails if defaultLocale and defaultFormatLocale are different
  • a3f2288: 8286844: com/sun/jdi/RedefineCrossEvent.java failed with 1 threads completed while VM suspended
  • 7224cbe: 8287593: ShortResponseBody could be made more resilient to rogue connections
  • ... and 1 more: https://git.openjdk.org/jdk17u-dev/compare/b9e4d10ce9304991880bd502a1bbefb729d9a39f...master

Your commit was automatically rebased without conflicts.

@openjdk openjdk bot added the integrated Pull request has been integrated label Feb 5, 2023
@openjdk openjdk bot closed this Feb 5, 2023
@openjdk openjdk bot removed ready Pull request is ready to be integrated rfr Pull request is ready for review labels Feb 5, 2023
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openjdk bot commented Feb 5, 2023

@tstuefe Pushed as commit ddd9631.

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

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