When tablet data reading fails, such as openscanner failure, the FLink task will retry. During the retry, some readers (which have not yet done a checkpoint) may lose the tablets they are reading.
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Does it affect the original behavior: (Yes/No/I Don't know)
Has unit tests been added: (Yes/No/No Need)
Has document been added or modified: (Yes/No/No Need)
Does it need to update dependencies: (Yes/No)
Are there any changes that cannot be rolled back: (Yes/No)
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Proposed changes
Issue Number: close #xxx
Problem Summary:
When tablet data reading fails, such as openscanner failure, the FLink task will retry. During the retry, some readers (which have not yet done a checkpoint) may lose the tablets they are reading.
Checklist(Required)
Further comments
If this is a relatively large or complex change, kick off the discussion at dev@doris.apache.org by explaining why you chose the solution you did and what alternatives you considered, etc...