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  1. Flink
  2. FLINK-6258

Deprecate ListCheckpointed interface

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    • Release Note:
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      The `ListCheckpointed` interface has been deprecated because it uses Java Serialization for checkpointing state which is problematic for savepoint compatibility. Use the `CheckpointedFunction` interface instead, which gives more control over state serialization.
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      The `ListCheckpointed` interface has been deprecated because it uses Java Serialization for checkpointing state which is problematic for savepoint compatibility. Use the `CheckpointedFunction` interface instead, which gives more control over state serialization.

      Description

      Per discussion in https://github.com/apache/flink/pull/3508, we consider deprecating the `ListCheckpointed` interface to discourage Java serialization shortcuts for state registrations (towards this, the Java serialization shortcuts provided by the `OperatorStateStore` interface have already been deprecated in https://github.com/apache/flink/pull/3508).

      We should also remember to update https://ci.apache.org/projects/flink/flink-docs-release-1.2/dev/stream/state.html#using-managed-keyed-state if we decide to do this.

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              • Assignee:
                aljoscha Aljoscha Krettek
                Reporter:
                tzulitai Tzu-Li (Gordon) Tai
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