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From "Tzu-Li (Gordon) Tai (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (FLINK-6600) Add key serializer's config snapshot to KeyedBackendSerializationProxy
Date Wed, 17 May 2017 14:55:04 GMT

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

Tzu-Li (Gordon) Tai closed FLINK-6600.
    Resolution: Fixed

Fixed for 1.3 via 8b5ba676fb3b52f69b0a523d57264462ac73c23f
Fixed for master via d8a467b01ab63127dbf563b6aa8c68fe5d9c85d4

> 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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