plugin: add lost rewatch sleep in plugin loop

[lcwangchao]

What problem does this PR solve?

Issue Number: ref #49273

What changed and how does it work?

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

[codecov]

Codecov Report

Merging #49292 (5223363) into master (169617d) will increase coverage by 0.9374%.
Report is 3 commits behind head on master.
The diff coverage is 0.0000%.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #49292        +/-   ##
================================================
+ Coverage   71.0553%   71.9928%   +0.9374%     
================================================
  Files          1368       1408        +40     
  Lines        402068     415222     +13154     
================================================
+ Hits         285691     298930     +13239     
- Misses        96505      97456       +951     
+ Partials      19872      18836      -1036     

Flag	Coverage Δ
integration	44.0988% <0.0000%> (?)
unit	71.0553% <ø> (ø)

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

Components	Coverage Δ
dumpling	53.9663% <ø> (ø)
parser	∅ <ø> (∅)
br	48.1493% <ø> (-4.8019%)	⬇️

[YangKeao]

LGTM

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: CbcWestwolf, YangKeao

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

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [CbcWestwolf,YangKeao]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-12-08 09:32:17.83772607 +0000 UTC m=+3028.874952998: ☑️ agreed by CbcWestwolf.
• 2023-12-08 10:27:50.624664368 +0000 UTC m=+6361.661891294: ☑️ agreed by YangKeao.

[YangKeao]

/retest

[hawkingrei]

/test all

[ti-chi-bot]

In response to a cherrypick label: new pull request could not be created: failed to create pull request against pingcap/tidb#release-7.5 from head ti-chi-bot:cherry-pick-49292-to-release-7.5: status code 422 not one of [201], body: {"message":"Validation Failed","errors":[{"resource":"PullRequest","code":"custom","message":"No commits between pingcap:release-7.5 and ti-chi-bot:cherry-pick-49292-to-release-7.5"}],"documentation_url":"https://docs.github.com/rest/pulls/pulls#create-a-pull-request"}

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-5.4: #49307.

[ti-chi-bot]

In response to a cherrypick label: new pull request could not be created: failed to create pull request against pingcap/tidb#release-6.1 from head ti-chi-bot:cherry-pick-49292-to-release-6.1: status code 422 not one of [201], body: {"message":"Validation Failed","errors":[{"resource":"PullRequest","code":"custom","message":"No commits between pingcap:release-6.1 and ti-chi-bot:cherry-pick-49292-to-release-6.1"}],"documentation_url":"https://docs.github.com/rest/pulls/pulls#create-a-pull-request"}

[ti-chi-bot]

In response to a cherrypick label: new pull request could not be created: failed to create pull request against pingcap/tidb#release-6.5 from head ti-chi-bot:cherry-pick-49292-to-release-6.5: status code 422 not one of [201], body: {"message":"Validation Failed","errors":[{"resource":"PullRequest","code":"custom","message":"No commits between pingcap:release-6.5 and ti-chi-bot:cherry-pick-49292-to-release-6.5"}],"documentation_url":"https://docs.github.com/rest/pulls/pulls#create-a-pull-request"}

[ti-chi-bot]

In response to a cherrypick label: new pull request could not be created: failed to create pull request against pingcap/tidb#release-7.1 from head ti-chi-bot:cherry-pick-49292-to-release-7.1: status code 422 not one of [201], body: {"message":"Validation Failed","errors":[{"resource":"PullRequest","code":"custom","message":"No commits between pingcap:release-7.1 and ti-chi-bot:cherry-pick-49292-to-release-7.1"}],"documentation_url":"https://docs.github.com/rest/pulls/pulls#create-a-pull-request"}