br: provide a storage target option for BR restore checkpoint data

[Leavrth]

What problem does this PR solve?

Issue Number: close #59572

Problem Summary:
In the log restore, the insertion of checkpoint data blocks kv-writes of log data, which slows down the log restore.

What changed and how does it work?

Provide a storage target option for BR restore checkpoint data.

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]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[tiprow]

Hi @Leavrth. Thanks for your PR.

PRs from untrusted users cannot be marked as trusted with /ok-to-test in this repo meaning untrusted PR authors can never trigger tests themselves. Collaborators can still trigger tests on the PR using /test all.

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[codecov]

Codecov Report

Attention: Patch coverage is 68.02030% with 126 lines in your changes missing coverage. Please review.

Project coverage is 74.4452%. Comparing base (beda908) to head (6bc11b9).
Report is 51 commits behind head on master.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #59579        +/-   ##
================================================
+ Coverage   73.0150%   74.4452%   +1.4301%     
================================================
  Files          1693       1714        +21     
  Lines        468002     475367      +7365     
================================================
+ Hits         341712     353888     +12176     
+ Misses       105263      99451      -5812     
- Partials      21027      22028      +1001     

Flag	Coverage Δ
integration	45.9951% <44.6700%> (?)
unit	72.1668% <49.2385%> (-0.0309%)	⬇️

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

Components	Coverage Δ
dumpling	52.6910% <ø> (ø)
parser	∅ <ø> (∅)
br	59.6444% <68.0203%> (+14.1732%)	⬆️

[BornChanger]

/retest

[tiprow]

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

In response to this:

/retest

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[ti-chi-bot]

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

Test name	Commit	Details	Required	Rerun command
pull-br-integration-test	6bc11b9	link	true	/test pull-br-integration-test

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