[WIP] Async Checkpoint with Causality Optimization

[db-will]

What problem does this PR solve?

Initial PR for implementing Async Checkpoint with Causality Optimization, this PR is created for discussion purpose

What is changed and how it works?

Check List

Tests

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

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has interface methods change
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation
• Need to update the dm/dm-ansible
• Need to be included in the release note

[ti-chi-bot]

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[lance6716]

/cc @lance6716 @glorv

transfer to @GMHDBJD if @glorv is not available