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https://issues.apache.org/jira/browse/FLINK-4460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15880467#comment-15880467
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ASF GitHub Bot commented on FLINK-4460:
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Github user aljoscha commented on the issue:
https://github.com/apache/flink/pull/2982
Thanks for looking at that! I'll open a new discussion thread on the
Mailing lists to discuss Side Outputs and split/select and how we're going to
proceed with that.
Regarding your other questions: I think we might add such an `Evaluator`
interface in the future but for now I would like to keep it simple and see if
that works for people. And yes, a user would have to use `allowedLateness` and
`sideOutputLateData` at the same time if they want to use late data, or they
can go with the default allowed lateness of zero and also get the late data as
a side output.
> Side Outputs in Flink
> ---------------------
>
> Key: FLINK-4460
> URL: https://issues.apache.org/jira/browse/FLINK-4460
> Project: Flink
> Issue Type: New Feature
> Components: Core, DataStream API
> Affects Versions: 1.2.0, 1.1.3
> Reporter: Chen Qin
> Assignee: Chen Qin
> Labels: latearrivingevents, sideoutput
>
> https://docs.google.com/document/d/1vg1gpR8JL4dM07Yu4NyerQhhVvBlde5qdqnuJv4LcV4/edit?usp=sharing
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