[jira] [Created] (FLINK-4493) Unify the snapshot output format for keyed-state backends

[Shang Yuanchun (Jira)]

Stefan Richter created FLINK-4493:
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             Summary: Unify the snapshot output format for keyed-state backends
                 Key: FLINK-4493
                 URL: https://issues.apache.org/jira/browse/FLINK-4493
             Project: Flink
          Issue Type: Improvement
            Reporter: Stefan Richter
            Priority: Minor


We could unify the output format for keyed-state backends implementations, e.g. based on RocksDB and Heap, to write a single, common output format.

For example, this would allow us to restore a state that was previously kept in RocksDB on a heap-located backend and vice versa.



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