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https://issues.apache.org/jira/browse/FLINK-6096?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaogang Shi updated FLINK-6096:
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Component/s: State Backends, Checkpointing
> Refactor the migration of old versioned savepoints
> --------------------------------------------------
>
> Key: FLINK-6096
> URL: https://issues.apache.org/jira/browse/FLINK-6096
> Project: Flink
> Issue Type: Improvement
> Components: State Backends, Checkpointing
> Reporter: Xiaogang Shi
>
> Existing code for the migration of old-versioned savepoints does not allow to
> correctly deserialize those classes changed in different versions. I think
> we should create a migration package for each old-versioned savepoint and put
> all migrated classes in the savepoint there. A mapping can be deployed to
> record those migrated classes in the savepoint so that we can correctly
> deserialize them.
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