scheduler: use move-hot-write-leader operator (#7852)

[ti-chi-bot]

This is an automated cherry-pick of #7852

What problem does this PR solve?

Issue Number: Close https://github.com/tikv/pd/issues/7848

What is changed and how does it work?

Check List

Tests

• Unit test
• [x] manual test with 6 tikv
  • tpcc
  • oltp_read_write
  • oltp_write_only
  • oltp_update_index
  • oltp_update_non_index
  • oltp_insert

Release note

None.

[ti-chi-bot[bot]]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• HuSharp
• lhy1024

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment. After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

The full list of commands accepted by this bot can be found here.

Reviewer can indicate their review by submitting an approval review. Reviewer can cancel approval by submitting a request changes review.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 90.90909% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 74.51%. Comparing base (7eb188c) to head (0c2952d). Report is 1 commits behind head on release-7.5.

:exclamation: Current head 0c2952d differs from pull request most recent head 98a4645

Please upload reports for the commit 98a4645 to get more accurate results.

Additional details and impacted files

@@               Coverage Diff               @@
##           release-7.5    #8144      +/-   ##
===============================================
- Coverage        74.62%   74.51%   -0.11%     
===============================================
  Files              444      444              
  Lines            48237    48255      +18     
===============================================
- Hits             35996    35957      -39     
- Misses            9056     9101      +45     
- Partials          3185     3197      +12     

Flag	Coverage Δ
unittests	74.51% <90.90%> (-0.11%)	:arrow_down:

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

[lhy1024]

/merge

[ti-chi-bot[bot]]

@lhy1024: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

You only need to trigger /merge once, and if the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

If you have any questions about the PR merge process, please refer to pr process.

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 ti-community-infra/tichi repository.

[ti-chi-bot[bot]]

This pull request has been accepted and is ready to merge.

Commit hash: 98a4645a2d8e1873c870ae1a309f8ff8ae95f8f7