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https://issues.apache.org/jira/browse/SPARK-10816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16630044#comment-16630044
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Jungtaek Lim commented on SPARK-10816:
--------------------------------------

[~marmbrus]

Could you please provide your opinion on this?

[~tdas] [~zsxwing] [~joseph.torres]

I'd like to ask you all to review and determine its worth, since I guess major 
efforts on streaming part are all done by you. If you would like to enable 
above use case to work with map/flatMapGroupsWithState, that's totally OK, and 
we can weigh its usability and performance.

Btw, I would like to ask again for sharing complicated use cases for session 
window (or custom window if any), so that we could build more convenient and 
more powerful API (as well).

> EventTime based sessionization
> ------------------------------
>
>                 Key: SPARK-10816
>                 URL: https://issues.apache.org/jira/browse/SPARK-10816
>             Project: Spark
>          Issue Type: New Feature
>          Components: Structured Streaming
>            Reporter: Reynold Xin
>            Priority: Major
>         Attachments: SPARK-10816 Support session window natively.pdf
>
>




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