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https://issues.apache.org/jira/browse/FLINK-6163?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16247601#comment-16247601
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ASF GitHub Bot commented on FLINK-6163:
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Github user aljoscha commented on the issue:
https://github.com/apache/flink/pull/4992
Thanks for the review! 😃
> Document per-window state in ProcessWindowFunction
> --------------------------------------------------
>
> Key: FLINK-6163
> URL: https://issues.apache.org/jira/browse/FLINK-6163
> Project: Flink
> Issue Type: Improvement
> Components: DataStream API, Documentation
> Reporter: Aljoscha Krettek
> Assignee: Aljoscha Krettek
> Priority: Blocker
> Fix For: 1.4.0
>
>
> The current windowing documentation mostly describes {{WindowFunction}} and
> treats {{ProcessWindowFunction}} as an afterthought. We should reverse that
> and also document the new per-key state that is only available to
> {{ProcessWindowFunction}}.
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