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util: Resolve RuntimeStatsColl potential unlock mutex (#55118) #55649

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This is an automated cherry-pick of #55118

What problem does this PR solve?

Issue Number: close #55042

Problem Summary:

What changed and how does it work?

Check List

Tests

  • Unit test
  • Integration test
  • Manual test (add detailed scripts or steps below)
  • No need to test
    • I checked and no code files have been changed.
      Just a mutex lock changes, using defer to protect it.

Side effects

  • Performance regression: Consumes more CPU
  • Performance regression: Consumes more Memory
  • Breaking backward compatibility

Documentation

  • Affects user behaviors
  • Contains syntax changes
  • Contains variable changes
  • Contains experimental features
  • Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

Fix the issue that queries may get stuck when they are being killed due to exceeding tidb_mem_quota_query.

@ti-chi-bot ti-chi-bot added release-note Denotes a PR that will be considered when it comes time to generate release notes. size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. type/cherry-pick-for-release-6.1 This PR is cherry-picked to release-6.1 from a source PR. labels Aug 26, 2024
@ti-chi-bot ti-chi-bot bot added do-not-merge/cherry-pick-not-approved cherry-pick-approved Cherry pick PR approved by release team. size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. and removed do-not-merge/cherry-pick-not-approved size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. labels Aug 26, 2024
Signed-off-by: yibin <[email protected]>
@ti-chi-bot ti-chi-bot bot added size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. and removed size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. labels Aug 26, 2024
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yibin87 commented Aug 26, 2024

/retest

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@windtalker windtalker left a comment

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LGTM

@ti-chi-bot ti-chi-bot bot added needs-1-more-lgtm Indicates a PR needs 1 more LGTM. approved labels Aug 26, 2024
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yibin87 commented Aug 26, 2024

/test unit-test

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tiprow bot commented Aug 26, 2024

@yibin87: No presubmit jobs available for pingcap/[email protected]

In response to this:

/test unit-test

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

@ti-chi-bot ti-chi-bot bot added the lgtm label Aug 26, 2024
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ti-chi-bot bot commented Aug 26, 2024

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: guo-shaoge, windtalker

The full list of commands accepted by this bot can be found here.

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  • OWNERS [guo-shaoge,windtalker]

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@ti-chi-bot ti-chi-bot bot removed the needs-1-more-lgtm Indicates a PR needs 1 more LGTM. label Aug 26, 2024
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ti-chi-bot bot commented Aug 26, 2024

[LGTM Timeline notifier]

Timeline:

  • 2024-08-26 06:52:54.548425019 +0000 UTC m=+766769.682875138: ☑️ agreed by windtalker.
  • 2024-08-26 07:14:38.906748879 +0000 UTC m=+768074.041199001: ☑️ agreed by guo-shaoge.

@ti-chi-bot ti-chi-bot bot merged commit 4fa424b into pingcap:release-6.1 Aug 26, 2024
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4 participants