[jira] [Created] (FLINK-11796) Remove Snapshotable interface

[Shang Yuanchun (Jira)]

Yu Li created FLINK-11796:
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             Summary: Remove Snapshotable interface
                 Key: FLINK-11796
                 URL: https://issues.apache.org/jira/browse/FLINK-11796
             Project: Flink
          Issue Type: Improvement
            Reporter: Yu Li
            Assignee: Yu Li


With FLINK-10043 and FLINK-11729 we have made all backends follow the builder pattern and moved all restore operations into the backend building process, with a newly introduced {{RestoreOperation}} interface for the abstraction. So we only need to implement the {{SnapshotStrategy}} interface in backends and could safely remove the {{Snapshotable}} interface.

We will also remove the relative call of {{Snapshotable#restore}} in {{BackendRestorerProcedure#attemptCreateAndRestore}}



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