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From "Tzu-Li (Gordon) Tai (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-6482) Add nested serializers into configuration snapshots of composite serializers
Date Mon, 08 May 2017 08:08:04 GMT
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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