redo(ticdc): use uuid in redo meta filename (#8075)

[ti-chi-bot]

This is an automated cherry-pick of #8075

What problem does this PR solve?

Issue Number: close #8074, close #8028

What is changed and how it works?

1. Use uuid in redo meta filename to avoid frequent access to the same object.

2. Add metricRedoWorkerBusyRatio to redoManager.
   

3. Fix the limit on flush-interval.

4. Add test.Dockerfile facilitate testing.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)

Questions

Will it cause performance regression or break compatibility?

Do you need to update user documentation, design documentation or monitoring documentation?

Release note

`None`.

[ti-chi-bot]

[REVIEW NOTIFICATION]

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[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (release-6.5@5f556c7). Click here to learn what that means.
The diff coverage is n/a.

❗ Current head 24afe96 differs from pull request most recent head 8247ec4. Consider uploading reports for the commit 8247ec4 to get more accurate results

Additional details and impacted files

Flag	Coverage Δ
cdc	67.5738% <0.0000%> (?)
dm	55.0636% <0.0000%> (?)
engine	66.5909% <0.0000%> (?)

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

@@               Coverage Diff                @@
##             release-6.5      #8130   +/-   ##
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  Coverage               ?   62.7726%           
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  Files                  ?        918           
  Lines                  ?     123796           
  Branches               ?          0           
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  Hits                   ?      77710           
  Misses                 ?      40099           
  Partials               ?       5987           

[CharlesCheung96]

/run-all-tests

[CharlesCheung96]

/run-verify

[CharlesCheung96]

/merge

[ti-chi-bot]

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

Commit hash: 8247ec4

[ti-chi-bot]

@ti-chi-bot: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

/run-all-tests

trigger some heavy tests which will not run always when PR updated.

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.

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.

[nongfushanquan]

/run-verify