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https://issues.apache.org/jira/browse/FLINK-11254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16732948#comment-16732948
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Congxian Qiu commented on FLINK-11254:
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Thanks for your quick response [~tzulitai], I'll first write the document to
clarify the format of each different backend/state structure as you suggested.
> 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
> Priority: Major
>
> 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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