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fix the problem that expired data was not recycled timely due to slow gc speed (#4224)#4253

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fix the problem that expired data was not recycled timely due to slow gc speed (#4224)#4253
ti-chi-bot wants to merge 1 commit intopingcap:release-5.2from
ti-chi-bot:cherry-pick-4224-to-release-5.2

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This is an automated cherry-pick of #4224

What problem does this PR solve?

Issue Number: close #4146

Problem Summary: The current gc speed is too slow and the data cannot be reclaimed timely when corresponding region was scheduled to other nodes.

What is changed and how it works?

Check List

Tests

  • Unit test
  • Integration test
  • Manual test (add detailed scripts or steps below)
  • No code

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

fix the problem that expired data was not recycled timely due to slow gc speed

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
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@ti-chi-bot ti-chi-bot added release-note Denotes a PR that will be considered when it comes time to generate release notes. do-not-merge/cherry-pick-not-approved labels Mar 14, 2022
@ti-chi-bot ti-chi-bot added size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. type/cherry-pick-for-release-5.2 labels Mar 14, 2022
@ti-chi-bot ti-chi-bot added size/L Denotes a PR that changes 100-499 lines, ignoring generated files. and removed size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. labels Mar 14, 2022
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lidezhu commented Mar 14, 2022

This change is merged into #3695. Close it.

@lidezhu lidezhu closed this Mar 14, 2022
@VelocityLight VelocityLight added cherry-pick-approved Cherry pick PR approved by release team. do-not-merge/cherry-pick-not-approved and removed do-not-merge/cherry-pick-not-approved cherry-pick-approved Cherry pick PR approved by release team. labels Apr 11, 2022
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do-not-merge/cherry-pick-not-approved release-note Denotes a PR that will be considered when it comes time to generate release notes. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. type/cherry-pick-for-release-5.2

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3 participants