Revert "br: Add retry limit of connection err in fine grained backup …

[YuJuncen]

What problem does this PR solve?

Issue Number: closes #57449 #58487

Problem Summary:

This is a Revert PR of #57713

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

[tiprow]

Hi @YuJuncen. Thanks for your PR.

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[RidRisR]

/retest

[tiprow]

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: 3pointer, Leavrth

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-12-24 09:23:09.382037984 +0000 UTC m=+1553579.470840525: ☑️ agreed by Leavrth.
• 2024-12-24 09:28:06.15218171 +0000 UTC m=+1553876.240984249: ☑️ agreed by 3pointer.

[RidRisR]

/retest

[tiprow]

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

In response to this:

/retest

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.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.

Please upload report for BASE (release-7.5@f3038bc). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.5     #58503   +/-   ##
================================================
  Coverage               ?   72.1489%           
================================================
  Files                  ?       1417           
  Lines                  ?     413316           
  Branches               ?          0           
================================================
  Hits                   ?     298203           
  Misses                 ?      95098           
  Partials               ?      20015           

Flag	Coverage Δ
unit	72.1489% <0.0000%> (?)

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

Components	Coverage Δ
dumpling	52.9400% <0.0000%> (?)
parser	∅ <0.0000%> (?)
br	53.4785% <0.0000%> (?)