Tzu-Li (Gordon) Tai created FLINK-9608:
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Summary: 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: Test
Components: State Backends, Checkpointing, Tests, Type Serialization
System
Reporter: Tzu-Li (Gordon) Tai
Assignee: Tzu-Li (Gordon) Tai
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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