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From "Tzu-Li (Gordon) Tai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-12045) Support force migration between incompatible state schemas/serializers
Date Thu, 28 Mar 2019 08:40:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-12045?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16803700#comment-16803700
] 

Tzu-Li (Gordon) Tai commented on FLINK-12045:
---------------------------------------------

As per our offline discussion, this JIRA will subsume FLINK-11917. +1 to close FLINK-11917
in favor of this ticket.

> Support force migration between incompatible state schemas/serializers
> ----------------------------------------------------------------------
>
>                 Key: FLINK-12045
>                 URL: https://issues.apache.org/jira/browse/FLINK-12045
>             Project: Flink
>          Issue Type: Improvement
>          Components: API / Type Serialization System, Runtime / State Backends
>            Reporter: Yu Li
>            Assignee: Yu Li
>            Priority: Major
>
> Under certain circumstances user would choose to do force state schema migration, for
example since we suggest to avoid using Kryo for state serialization, user might want to use
POJO/Avro serializers instead and wish Flink automatically perform a force migration when
required to.
> This JIRA targets at supporting such force migration requirements.



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