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Posted to issues@flink.apache.org by "Tzu-Li (Gordon) Tai (JIRA)" <ji...@apache.org> on 2017/05/16 13:22:04 UTC

[jira] [Updated] (FLINK-6600) Add key serializer's config snapshot to KeyedBackendSerializationProxy

     [ https://issues.apache.org/jira/browse/FLINK-6600?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tzu-Li (Gordon) Tai updated FLINK-6600:
---------------------------------------
    Fix Version/s: 1.4.0
                   1.3.0

> 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's metainfo in checkpoints. The namespace and state serializer already have their config snapshots included in the metainfo.
> We should also include the configuration snapshot of the key serializer in there so that we can also be flexible in allowing migration / transformation of the key in the future.



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