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https://issues.apache.org/jira/browse/SPARK-10816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16622826#comment-16622826
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Jungtaek Lim commented on SPARK-10816:
--------------------------------------

[~rxin]

I completely agreed on we would be better to discuss the design first ideally.

TBH that's sadly one of hard thing contributing in open source project, as that 
can be seen as differently as one of contributor's view: I'm seeing such 
situation which leadership or right to drive doesn't be guaranteed to the 
person who initially proposed the item hence it's going to be competition on 
time to implement first. That's why I haven't open proposal to public unless I 
have working POC, and this item is smoothly passing POC so close to completion.

I think if we enforce SPIP at any major effort and guarantee SPIP owner takes 
leadership to drive, it will resolve the situation, though it makes steps a bit 
slower (may not a big deal compared to what we decide to waste work even it is 
committed). WDYT?

> 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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