Persistence stale rowsets meta

[ZhangYu0123]

Proposed changes

Persistence stale rowsets meta. When be reboots, stale rowsets meta can resume and the stale version can also be readable before stale gc time.

ISSUE: #4453

Types of changes

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• [] Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• [] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [] Documentation Update (if none of the other choices apply)
• [] Code refactor (Modify the code structure, format the code, etc...)

Checklist

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• I have create an issue on (FixPersistence stale rowsets meta #4453), and have described the bug/feature there in detail
• Compiling and unit tests pass locally with my changes
• [] I have added tests that prove my fix is effective or that my feature works
• [] If this change need a document change, I have updated the document
• [] Any dependent changes have been merged

[kangkaisen]

@ZhangYu0123 Hi, What's the concrete issue that this PR want to Fix? what's the accurate definition for stale rowsets ?

[ZhangYu0123]

@ZhangYu0123 Hi, What's the concrete issue that this PR want to Fix? what's the accurate definition for stale rowsets ?

#4017

[kangkaisen]

@ZhangYu0123 Hi, What's the concrete issue that this PR want to Fix? what's the accurate definition for stale rowsets ?

#4017

I see. Thanks.
But I think the stale rowsets naming isn't very appropriate. semantically, stale means the data isn't right and we shouldn't read it.

[morningman]

I didn't get this logic...

[morningman]

I didn't get this logic...

[morningman]

LGTM

[morningman]

@ZhangYu0123 Hi, What's the concrete issue that this PR want to Fix? what's the accurate definition for stale rowsets ?

#4017

I see. Thanks.
But I think the stale rowsets naming isn't very appropriate. semantically, stale means the data isn't right and we shouldn't read it.

Hi @kangkaisen , I think stale means not fresh, but not means incorrect, so it looks good to me.