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8292654: G1 remembered set memory footprint regression after JDK-8286115 #9966

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tschatzl
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@tschatzl tschatzl commented Aug 22, 2022

Hi all,

can I have reviews for this change that reverts JDK-8286115 to get back remset memory footprint to previous levels?

Testing: local remset size testing

Thanks,
Thomas


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Issue

  • JDK-8292654: G1 remembered set memory footprint regression after JDK-8286115

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Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk pull/9966/head:pull/9966
$ git checkout pull/9966

Update a local copy of the PR:
$ git checkout pull/9966
$ git pull https://git.openjdk.org/jdk pull/9966/head

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Checkout this PR locally:
$ git pr checkout 9966

View PR using the GUI difftool:
$ git pr show -t 9966

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Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/9966.diff

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bridgekeeper bot commented Aug 22, 2022

👋 Welcome back tschatzl! 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 8292654 8292654: G1 remembered set memory footprint regression after JDK-8286115 Aug 22, 2022
@openjdk openjdk bot added the rfr Pull request is ready for review label Aug 22, 2022
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openjdk bot commented Aug 22, 2022

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

  • hotspot-gc

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 hotspot-gc hotspot-gc-dev@openjdk.org label Aug 22, 2022
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mlbridge bot commented Aug 22, 2022

Webrevs

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openjdk bot commented Aug 22, 2022

@tschatzl 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:

8292654: G1 remembered set memory footprint regression after JDK-8286115

Reviewed-by: ayang, iwalulya

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 8 new commits pushed to the master branch:

  • e561933: 8292623: Reduce runtime of java.io microbenchmarks
  • dcd7802: 8292708: Rename G1ParScanThreadState::flush to flush_stats
  • 16593cf: 8292717: Clean up checking of testing requirements in configure
  • c59f9b3: 8287828: Fix so that one can select jtreg test case by ID from make
  • 476c484: 8292656: G1: Remove G1HotCardCache::_use_cache
  • a17fce7: 6445283: ProgressMonitorInputStream not large file aware (>2GB)
  • 1ed03d8: 8292226: Prepare make for better Link Time Optimization support
  • 79597f1: 8272702: Resolving URI relative path with no / may lead to incorrect toString

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 Aug 22, 2022
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Thanks @albertnetymk @walulyai for your reviews
/integrate

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openjdk bot commented Aug 23, 2022

Going to push as commit 8a45abd.
Since your change was applied there have been 29 commits pushed to the master branch:

  • cc28783: 8292777: Remove hashtable.hpp from dependencies.hpp
  • cf00677: 8292368: [ppc64] internal error g1BarrierSet.inline.hpp assert(oopDesc::is_oop(pre_val, true)) failed: Error
  • d92e00a: 8292763: JDK-8292716 breaks configure without jtreg
  • 486f90c: 8292716: Configure should check that jtreg is of the required version
  • b4e1aa8: 8289658: Avoid redundant LinkedHashMap.get call in TagletManager.addNewSimpleCustomTag
  • 84936e9: 8292586: simplify cleanups in NTLMAuthSequence getCredentialsHandle
  • 259ba86: 8290075: [JVMCI] only blessed methods can link against EventWriterFactory.getEventWriter
  • a85a723: 8292351: tty should always live
  • 4da1745: 8291118: [vectorapi] Optimize the implementation of lanewise FIRST_NONZERO
  • 38a8191: 8290322: Optimize Vector.rearrange over byte vectors for AVX512BW targets.
  • ... and 19 more: https://git.openjdk.org/jdk/compare/7b5f9edb59ef763acca80724ca37f3624d720d06...master

Your commit was automatically rebased without conflicts.

@openjdk openjdk bot added the integrated Pull request has been integrated label Aug 23, 2022
@openjdk openjdk bot closed this Aug 23, 2022
@openjdk openjdk bot removed ready Pull request is ready to be integrated rfr Pull request is ready for review labels Aug 23, 2022
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openjdk bot commented Aug 23, 2022

@tschatzl Pushed as commit 8a45abd.

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

@tschatzl tschatzl deleted the submit/8292654-memory-footprint-regression branch October 14, 2022 14:56
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3 participants