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https://issues.apache.org/jira/browse/FLINK-1417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14325693#comment-14325693
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ASF GitHub Bot commented on FLINK-1417:
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Github user rmetzger commented on the pull request:
https://github.com/apache/flink/pull/393#issuecomment-74843995
Yes. First we need to understand why exactly the performance is so poor.
Maybe its an issue we can "easily" fix.
> Automatically register nested types at Kryo
> -------------------------------------------
>
> Key: FLINK-1417
> URL: https://issues.apache.org/jira/browse/FLINK-1417
> Project: Flink
> Issue Type: Improvement
> Components: Java API, Scala API
> Reporter: Stephan Ewen
> Assignee: Robert Metzger
> Fix For: 0.9
>
>
> Currently, the {{GenericTypeInfo}} registers the class of the type at Kryo.
> In order to get the best performance, it should recursively walk the classes
> and make sure that it registered all contained subtypes.
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