[DNM]consumer(ticdc): debug consumer

[3AceShowHand]

What problem does this PR solve?

Issue Number: close #xxx

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Questions

Will it cause performance regression or break compatibility?

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

Release note

Please refer to [Release Notes Language Style Guide](https://pingcap.github.io/tidb-dev-guide/contribute-to-tidb/release-notes-style-guide.html) to write a quality release note.

If you don't think this PR needs a release note then fill it with `None`.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 57.2136%. Comparing base (e75248d) to head (7130721).
Report is 7 commits behind head on master.

❗ Current head 7130721 differs from pull request most recent head 7872fae

Please upload reports for the commit 7872fae to get more accurate results.

Additional details and impacted files

Components	Coverage Δ
cdc	61.2080% <100.0000%> (-0.7416%)	⬇️
dm	51.1961% <ø> (-0.0196%)	⬇️
engine	63.3738% <ø> (-0.0212%)	⬇️

Flag	Coverage Δ
unit	57.2136% <100.0000%> (-0.3268%)	⬇️

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

@@               Coverage Diff                @@
##             master     #11138        +/-   ##
================================================
- Coverage   57.5404%   57.2136%   -0.3268%     
================================================
  Files           854        859         +5     
  Lines        126047     127522      +1475     
================================================
+ Hits          72528      72960       +432     
- Misses        48125      49144      +1019     
- Partials       5394       5418        +24     

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
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[ti-chi-bot]

[FORMAT CHECKER NOTIFICATION]

Notice: To remove the do-not-merge/needs-linked-issue label, please provide the linked issue number on one line in the PR body, for example: Issue Number: close #123 or Issue Number: ref #456.

_{📖 For more info, you can check the "Contribute Code" section in the development guide.}

[ti-chi-bot]

@3AceShowHand: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
jenkins-ticdc/verify	7872fae	link	true	/test verify
pull-cdc-integration-storage-test	7872fae	link	true	/test cdc-integration-storage-test
pull-cdc-integration-kafka-test	7872fae	link	true	/test cdc-integration-kafka-test

Full PR test history. Your PR dashboard.

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