demo for 2 review teams

[wuhuizuo]

What problem does this PR solve?

Issue Number: close #xxx

Problem Summary:

What is changed and how it works?

Proposal: xxx

What's Changed:

How it Works:

Check List

Tests

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

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 add a release note, or a 'None' if it is not needed.

Issue Number: ref #1

[mini-bot]

[REVIEW NOTIFICATION]

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[ti-chi-bot]

/merge

[mini-bot]

@ti-chi-bot: /merge is only allowed for the committers, you can assign this pull request to the committer in list by filling /assign @committer in the comment to help merge this pull request.

In response to [this](https://github.com/ti-community-infra/test-dev/pull/520#issuecomment-1174916152): >/merge Instructions for interacting with me using PR comments are available [here](https://prow.tidb.io/command-help). If you have questions or suggestions related to my behavior, please file an issue against the [ti-community-infra/tichi](https://github.com/ti-community-infra/tichi/issues/new?title=Prow%20issue:) repository.

[wuhuizuo]

/merge

[mini-bot]

@wuhuizuo: /merge in this pull request requires 1 approval(s).

In response to [this](https://github.com/ti-community-infra/test-dev/pull/520#issuecomment-1174916792): >/merge Instructions for interacting with me using PR comments are available [here](https://prow.tidb.io/command-help). If you have questions or suggestions related to my behavior, please file an issue against the [ti-community-infra/tichi](https://github.com/ti-community-infra/tichi/issues/new?title=Prow%20issue:) repository.

[wuhuizuo]

/merge

[mini-bot]

@wuhuizuo: /merge in this pull request requires 1 approval(s).

In response to [this](https://github.com/ti-community-infra/test-dev/pull/520#issuecomment-1174922762): >/merge Instructions for interacting with me using PR comments are available [here](https://prow.tidb.io/command-help). If you have questions or suggestions related to my behavior, please file an issue against the [ti-community-infra/tichi](https://github.com/ti-community-infra/tichi/issues/new?title=Prow%20issue:) repository.

[wuhuizuo]

/assign @committer

[mini-bot]

@wuhuizuo: PR needs rebase.

Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.