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https://issues.apache.org/jira/browse/FLINK-37552?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17945606#comment-17945606
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Yue Ma commented on FLINK-37552:
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[~Zakelly] I submitted an PR, can you help review it.
If any modifications are needed, please let me know, thanks very much
> Made StateMetaInfo consistent for ForStKeyeStateBackend and
> ForStSyncKeyeStateBackend.
> --------------------------------------------------------------------------------------
>
> Key: FLINK-37552
> URL: https://issues.apache.org/jira/browse/FLINK-37552
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / State Backends
> Affects Versions: 2.0.0
> Reporter: Yue Ma
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.1.0
>
>
> Currently, if MapState or ListState is used, the StateMeta information saved
> by ForStKeyeStateBackend and ForStSyncKeyeStateBackend when making cp may be
> inconsistent, which may cause incompatible states. For example, when using
> MapState, ForStKeyeStateBackend will save the ValueSerializer information in
> StateMeta, but ForStSyncKeyeStateBackend will save the MapSerializer
> information. So we need to unify this place and perform a transformation when
> ForStKeyeStateBackend creates stateMeta
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