lightning: performance optimization for post-import conflict detection

[lyzx2001]

What problem does this PR solve?

Issue Number: close #52306

Problem Summary:
Optimization for lightning conflict detection.

What changed and how does it work?

Performance optimization for post-import conflict detection.

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

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[lyzx2001]

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/test pull-lightning-integration-test

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/test pull-lightning-integration-test

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/retest

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/retest

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/cc @yudongusa

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[easonn7]

/approve

[lyzx2001]

/hold

[lyzx2001]

/unhold

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: D3Hunter, easonn7, lance6716

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-04-26 02:59:48.81200415 +0000 UTC m=+315545.551907058: ☑️ agreed by D3Hunter.
• 2024-04-29 10:50:10.527658926 +0000 UTC m=+267964.284794499: ☑️ agreed by lance6716.

[Benjamin2037]

/retest

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[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.1: #52990.