[DNM] Bench ART(Adaptive Radix Tree) as memdb

[you06]

What problem does this PR solve?

Issue Number: ref #55287

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.

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.

None

[ti-chi-bot]

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[tiprow]

Hi @you06. Thanks for your PR.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.4716%. Comparing base (8832684) to head (2859653).
Report is 72 commits behind head on master.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #54828        +/-   ##
================================================
+ Coverage   72.8973%   73.4716%   +0.5742%     
================================================
  Files          1672       1672                
  Lines        461745     470662      +8917     
================================================
+ Hits         336600     345803      +9203     
+ Misses       104426     104177       -249     
+ Partials      20719      20682        -37     

Flag	Coverage Δ
integration	43.3440% <100.0000%> (?)

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Components	Coverage Δ
dumpling	52.7673% <ø> (ø)
parser	∅ <ø> (∅)
br	44.4881% <ø> (-0.6468%)	⬇️

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[you06]

/test mysql-test

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/test mysql-test

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[you06]

/retest

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[you06]

/release

[you06]

/test pull-integration-ddl-test

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[you06]

ART is used as MenBuffer in the latest TiDB now.

[you06]

Reopen for running CI

[you06]

/retest

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[you06]

/retest

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[ti-chi-bot]

[FORMAT CHECKER NOTIFICATION]

Notice: To remove the do-not-merge/invalid-title label, please follow title format, for example pkg [, pkg2, pkg3]: what is changed or *: what is changed.

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[ti-chi-bot]

@you06: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
idc-jenkins-ci-tidb/unit-test	2859653	link	true	/test unit-test
idc-jenkins-ci-tidb/build	2859653	link	true	/test build

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