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https://issues.apache.org/jira/browse/FLINK-6653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tzu-Li (Gordon) Tai closed FLINK-6653.
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> Avoid directly serializing AWS's Shard class in Kinesis consumer's checkpoints
> ------------------------------------------------------------------------------
>
> Key: FLINK-6653
> URL: https://issues.apache.org/jira/browse/FLINK-6653
> Project: Flink
> Issue Type: Improvement
> Components: Kinesis Connector
> Reporter: Tzu-Li (Gordon) Tai
> Assignee: Wei-Che Wei
> Fix For: 1.3.0, 1.4.0
>
>
> Currently, the Kinesis consumer's checkpoints directly serialize AWS's
> {{Shard}} instances in checkpoints. This makes bumping AWS library versions
> hard, since any change to the {{Shard}} class by AWS will break checkpoint
> compatibility.
> We should either have custom serialization for {{KinesisStreamShard}}, or
> disintegrate the information in {{Shard}}. Ideally, it would be best to make
> {{KinesisStreamShard}} and {{SequenceNumber}} to be non-serializable, hence
> avoiding Java serialization in the checkpoints.
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