Tzu-Li (Gordon) Tai created FLINK-6482:
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Summary: Add nested serializers into configuration snapshots of
composite serializers
Key: FLINK-6482
URL: https://issues.apache.org/jira/browse/FLINK-6482
Project: Flink
Issue Type: Improvement
Components: State Backends, Checkpointing, Type Serialization System
Reporter: Tzu-Li (Gordon) Tai
Assignee: Tzu-Li (Gordon) Tai
Priority: Critical
Fix For: 1.3.0
Currently, the composite serializers' configuration snapshots only wrap the
config snapshots of nested serializers.
We should also consider adding serialization of the nested serializers into the
config snapshot, so that in the case where only some nested serializer cannot
be loaded (class missing / implementation changed), we can also provide a path
for serializer upgrades.
This applies for all composite serializers that have nested serializers.
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