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From "Tzu-Li (Gordon) Tai (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (FLINK-9608) Add test base for TypeSerializer snapshotting / restore / migration to be used by all Flink serializers
Date Wed, 31 Oct 2018 05:58:00 GMT

     [ https://issues.apache.org/jira/browse/FLINK-9608?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tzu-Li (Gordon) Tai closed FLINK-9608.
--------------------------------------
       Resolution: Fixed
         Assignee: Igal Shilman  (was: Tzu-Li (Gordon) Tai)
    Fix Version/s:     (was: 1.7.0)

> Add test base for TypeSerializer snapshotting / restore / migration to be used by all
Flink serializers
> -------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-9608
>                 URL: https://issues.apache.org/jira/browse/FLINK-9608
>             Project: Flink
>          Issue Type: Sub-task
>          Components: State Backends, Checkpointing, Tests, Type Serialization System
>            Reporter: Tzu-Li (Gordon) Tai
>            Assignee: Igal Shilman
>            Priority: Major
>
> The current {{TypeSerializerTestBase}} does not cover several aspects related to upgrading
/ snapshotting and restoring Flink's serializers. That includes:
> - A serializer can be snapshotted and then restored without issues. The restored serializer
should be able to correctly read data written by the snapshotted serializer.
> - A serializer's snapshotted configuration can be migrated from previous Flink versions.
> - A serializer works with different kinds of state backends.
> This new proposed test base should go into {{flink-tests}}, with a coverage check that
all Flink's {{TypeSerializers}} have a corresponding subclass for the test base.



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