meta/autoid: make autoid client ResetConn operation concurrency-safe (#50522)

[tiancaiamao]

What problem does this PR solve?

Issue Number: close #50519

Problem Summary:

What changed and how does it work?

Cherry-pick #50522 for a hotfix

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

[tiprow]

Hi @tiancaiamao. Thanks for your PR.

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[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-7.5-20231214-v7.5.0@ed04098). Click here to learn what that means.
The diff coverage is n/a.

Additional details and impacted files

@@                       Coverage Diff                        @@
##             release-7.5-20231214-v7.5.0     #50594   +/-   ##
================================================================
  Coverage                               ?   71.9356%           
================================================================
  Files                                  ?       1398           
  Lines                                  ?     406337           
  Branches                               ?          0           
================================================================
  Hits                                   ?     292301           
  Misses                                 ?      94366           
  Partials                               ?      19670           

Flag	Coverage Δ
unit	71.9356% <0.0000%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
dumpling	53.9913% <0.0000%> (?)
parser	∅ <0.0000%> (?)
br	53.2559% <0.0000%> (?)

[tiancaiamao]

/test build

[tiprow]

@tiancaiamao: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

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/test build

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-01-19 09:35:08.303861676 +0000 UTC m=+521349.868159378: ☑️ agreed by zimulala.
• 2024-01-19 14:46:34.67289836 +0000 UTC m=+540036.237196065: ☑️ agreed by xhebox.

[hawkingrei]

/ok-to-test

[hawkingrei]

/test all

[tiprow]

@hawkingrei: No presubmit jobs available for pingcap/tidb@release-7.5-20231214-v7.5.0

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/test all

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[tiancaiamao]

/test build

[tiprow]

@tiancaiamao: No presubmit jobs available for pingcap/tidb@release-7.5-20231214-v7.5.0

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/test build

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[bb7133]

LGTM

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: bb7133
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