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https://issues.apache.org/jira/browse/FLINK-9608?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tzu-Li (Gordon) Tai updated FLINK-9608:
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Issue Type: Sub-task (was: Test)
Parent: FLINK-9376
> 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: Tzu-Li (Gordon) Tai
> Priority: Major
> Fix For: 1.6.0
>
>
> 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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