autoid_service: remove the force rebase on close behavior

[tiancaiamao]

What problem does this PR solve?

Issue Number: ref #38442 close #53393

Problem Summary:

What changed and how does it work?

The original design is that we try our best to avoid holes in AUTO_ID_CACHE=1, so when autoid leader exit, forceRebase is called to return the non-consumed in memory IDs back.

When there are a lot of tables, this operation could not be finish quickly. And tidb graceful shutdown can not done within 30s. This cause tidb can not restart quickly to provide service.

We think over it and deside to remove the force rebase on close behavior.

Check List

Tests

• [ ] Unit test
• [ ] Integration test
• [ ] Manual test (add detailed scripts or steps below)
• [X] No need to test

  • [ ] I checked and no code files have been changed.

No unit test apply here (it requires tidb restart to cover the changes). Some integration test may notice the change.

Side effects

• [ ] Performance regression: Consumes more CPU
• [ ] Performance regression: Consumes more Memory
• [X] Breaking backward compatibility

Documentation

• [X] Affects user behaviors

Behavior change, not tidb restart can cause hole in auto id allocating using AUTO_ID_CACHE=1

• [ ] 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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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 74.5497%. Comparing base (5d27b73) to head (39eee29). Report is 16 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #53315 +/- ## ================================================ + Coverage 72.4973% 74.5497% +2.0523% ================================================ Files 1497 1497 Lines 429959 429984 +25 ================================================ + Hits 311709 320552 +8843 + Misses 98996 89535 -9461 - Partials 19254 19897 +643 ``` | [Flag](https://app.codecov.io/gh/pingcap/tidb/pull/53315/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | Coverage Δ | | |---|---|---| | [integration](https://app.codecov.io/gh/pingcap/tidb/pull/53315/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `48.9945% <ø> (?)` | | | [unit](https://app.codecov.io/gh/pingcap/tidb/pull/53315/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `71.3025% <ø> (-0.0919%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap#carryforward-flags-in-the-pull-request-comment) to find out more. | [Components](https://app.codecov.io/gh/pingcap/tidb/pull/53315/components?src=pr&el=components&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | Coverage Δ | | |---|---|---| | [dumpling](https://app.codecov.io/gh/pingcap/tidb/pull/53315/components?src=pr&el=component&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `53.9957% <ø> (ø)` | | | [parser](https://app.codecov.io/gh/pingcap/tidb/pull/53315/components?src=pr&el=component&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `∅ <ø> (∅)` | | | [br](https://app.codecov.io/gh/pingcap/tidb/pull/53315/components?src=pr&el=component&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `50.1806% <ø> (+8.7515%)` | :arrow_up: |

[ti-chi-bot[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: bb7133, Defined2014

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Needs approval from an approver in each of these files: - ~~[pkg/autoid_service/OWNERS](https://github.com/pingcap/tidb/blob/master/pkg/autoid_service/OWNERS)~~ [bb7133] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[ti-chi-bot[bot]]

[LGTM Timeline notifier]

Timeline:

• 2024-05-17 07:12:10.583660354 +0000 UTC m=+1810084.340795928: :ballot_box_with_check: agreed by bb7133.
• 2024-05-17 08:45:54.512209004 +0000 UTC m=+1815708.269344574: :ballot_box_with_check: agreed by Defined2014.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.1: #53396.