[jira] [Created] (FLINK-11254) Unify serialization format of savepoint for switching state backends

[Congxian Qiu (JIRA)]

Congxian Qiu created FLINK-11254:
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             Summary: Unify serialization format of savepoint for switching 
state backends
                 Key: FLINK-11254
                 URL: https://issues.apache.org/jira/browse/FLINK-11254
             Project: Flink
          Issue Type: Improvement
    Affects Versions: 1.7.1
            Reporter: Congxian Qiu
            Assignee: Congxian Qiu


For the current version, the serialization formats of savepoint between 
HeapKeyedStateBackend and RocksDBStateBackend are different, so we can not 
switch state backend when using savepoint. We should unify the serialization 
formats of the savepoint to support state backend switch.



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