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8267304: Bump global JTReg memory limit to 768m #4087

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@shipilev shipilev commented May 18, 2021

See the rationale in the RFE.

Additional testing:

  • Linux x86_64 fastdebug java/time/format/ with aggressive GC options
  • Linux x86_64 fastdebug jdk:tier1
  • Linux x86_64 fastdebug tier1
  • Linux x86_64 fastdebug tier2
  • Linux x86_32 fastdebug tier1
  • Linux x86_32 fastdebug tier2


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




Using git

Checkout this PR locally:
$ git fetch pull/4087/head:pull/4087
$ git checkout pull/4087

Update a local copy of the PR:
$ git checkout pull/4087
$ git pull pull/4087/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 4087

View PR using the GUI difftool:
$ git pr show -t 4087

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@bridgekeeper bridgekeeper bot commented May 18, 2021

👋 Welcome back shade! 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.

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@openjdk openjdk bot commented May 18, 2021

@shipilev The following label will be automatically applied to this pull request:

  • build

When this pull request is ready to be reviewed, an "RFR" email will be sent to the corresponding mailing list. If you would like to change these labels, use the /label pull request command.

@openjdk openjdk bot added the build label May 18, 2021
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@shipilev shipilev commented May 18, 2021

/label remove build
/label add jdk

@openjdk openjdk bot removed the build label May 18, 2021
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The build label was successfully removed.

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The jdk label was successfully added.

@shipilev shipilev marked this pull request as ready for review May 18, 2021
@openjdk openjdk bot added the rfr label May 18, 2021
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@mlbridge mlbridge bot commented May 18, 2021


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@lmesnik lmesnik left a comment

Shouldn't affect VM testing. Fine with core-svc setting.

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@iignatev iignatev left a comment


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@openjdk openjdk bot commented May 18, 2021

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

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

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

8267304: Bump global JTReg memory limit to 768m

Reviewed-by: lmesnik, iignatyev

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 29 new commits pushed to the master branch:

  • b92c5a4: 8265292: [macos_aarch64] java/foreign/ crashes with SIGBUS
  • fadf580: 8262952: [macos_aarch64] os::commit_memory failure
  • f8f40ab: 8230486: G1BarrierSetAssembler::g1_write_barrier_post unnecessarily pushes/pops new_val
  • 9d168e2: 8266973: Migrate to ClassHierarchyIterator when enumerating subclasses
  • 02507bc: 8267166: Remove test file vmTestbase/vm/mlvm/tools/
  • ce88b33: 8266615: C2 incorrectly folds subtype checks involving an interface array
  • 894547d: 8266897: com/sun/net/httpserver/ fails intermittently with AssertionError
  • da7c846: 8264408: test_oopStorage no longer needs to disable some tests on WIN32
  • f6c2891: 8267229: Split runtime/Metaspace/elastic test configurations for better scalability
  • b60975d: 8267237: ARM32: bad AD file in matcher.cpp after 8266810
  • ... and 19 more:

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 label May 18, 2021
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@shipilev shipilev commented May 19, 2021


@openjdk openjdk bot closed this May 19, 2021
@openjdk openjdk bot added integrated and removed ready rfr labels May 19, 2021
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@openjdk openjdk bot commented May 19, 2021

@shipilev Since your change was applied there have been 49 commits pushed to the master branch:

  • e858dd6: 8267361: JavaTokenizer reads octal numbers mistakenly
  • 1b93b81: 8267133: jdk/jfr/event/gc/collection/ fails with Not expected phases: RestorePreservedMarks, RemoveSelfForwardingPtr: expected true, was false
  • 88b1142: 8267357: build breaks with -Werror option on micro benchmark added for JDK-8256973
  • 6ef46ce: 8231672: Simplify the reference processing parallelization framework
  • 392f962: 8267151: C2: Don't create dummy Opaque1Node for outmost unswitched IfNode
  • 0cf7e57: 8267239: C1: RangeCheckElimination for % operator if divisor is IntConstant
  • 2d407e1: 8267293: vmTestbase/vm/mlvm/anonloader/stress/oome/metaspace/ fails when JTREG_JOBS > 25
  • 70f6c67: 8233380: CHT: Node allocation and freeing
  • 2563a6a: 8266962: Add arch supporting check for "Op_VectorLoadConst" before creating the node
  • 4954383: 8267364: Remove mask.incr which is introduced by JDK-8256973
  • ... and 39 more:

Your commit was automatically rebased without conflicts.

Pushed as commit e749f75.

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

@shipilev shipilev deleted the JDK-8267304-global-768m branch Jul 2, 2021
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