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https://issues.apache.org/jira/browse/FLINK-6653?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16025943#comment-16025943
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ASF GitHub Bot commented on FLINK-6653:
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Github user tzulitai commented on the issue:
https://github.com/apache/flink/pull/3994
@tony810430 thanks for the PR! I'll like to merge this for 1.3, to avoid
another turn of state migration. Will merge with some minor cleanups.
> 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
>
> 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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