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https://issues.apache.org/jira/browse/FLINK-6600?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16013891#comment-16013891
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ASF GitHub Bot commented on FLINK-6600:
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Github user StefanRRichter commented on the issue:
https://github.com/apache/flink/pull/3925
Thanks for adding this so quickly @tzulitai ! The changes look good to me
+1.
@tillrohrmann maybe you can already include this for your testing.
> Add key serializer's config snapshot to KeyedBackendSerializationProxy
> ----------------------------------------------------------------------
>
> Key: FLINK-6600
> URL: https://issues.apache.org/jira/browse/FLINK-6600
> Project: Flink
> Issue Type: Improvement
> Components: State Backends, Checkpointing
> Reporter: Tzu-Li (Gordon) Tai
> Assignee: Tzu-Li (Gordon) Tai
> Fix For: 1.3.0, 1.4.0
>
>
> Currently, only the key serializer is included in what's written for a keyed
> state backend in checkpoints. The namespace and state serializer already have
> their config snapshots included in the individual registered state's metainfo.
> We should also include the configuration snapshot of the key serializer in
> {{KeyedBackendSerializationProxy}} so that we can also be flexible in
> allowing migration / transformation of the key in the future.
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