[jira] [Created] (FLINK-6556) Include and expose Flink version in the savepoint data

[Shang Yuanchun (Jira)]

Stefan Richter created FLINK-6556:
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             Summary: Include and expose Flink version in the savepoint data
                 Key: FLINK-6556
                 URL: https://issues.apache.org/jira/browse/FLINK-6556
             Project: Flink
          Issue Type: Improvement
          Components: State Backends, Checkpointing
            Reporter: Stefan Richter


I think it could make sense to include the flink version (notice: this can be tracked independently from the savepoint format version that we currently store!) from which a savepoint was taken in the meta data and expose it to the restore process, passing it through until e.g. the {{FunctionInitializationContext}}.

This makes it much easier for code to derive certain behaviour for backwards compatibility.



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