backup: use history iterator to scan ddl jobs (#54100)

[ti-chi-bot]

This is an automated cherry-pick of #54100

What problem does this PR solve?

Issue Number: close #54139

Problem Summary:
sometimes cluster might have too many ddl jobs. backup should skip unnecessary scan of ddl jobs during the backup incremental ddls.

What changed and how does it work?

Use GetLastHistoryDDLJobsIterator instead of GetAllDDLJobs.

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]

PR needs rebase.

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-11-11 03:35:19.934695637 +0000 UTC m=+240882.125564629: ☑️ agreed by BornChanger.
• 2024-11-11 03:43:09.926933318 +0000 UTC m=+241352.117802313: ☑️ agreed by 3pointer.

[3pointer]

/test unit-test

[tiprow]

@3pointer: No presubmit jobs available for pingcap/tidb@release-7.1

In response to this:

/test unit-test

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[codecov]

Codecov Report

Attention: Patch coverage is 81.13208% with 10 lines in your changes missing coverage. Please review.

Please upload report for BASE (release-7.1@bda92d4). Learn more about missing BASE report.

Additional details and impacted files

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