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https://issues.apache.org/jira/browse/STORM-1964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15388075#comment-15388075
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ASF GitHub Bot commented on STORM-1964:
---------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/storm/pull/1568
> Unexpected behavior when using count window together with timestamp extraction
> ------------------------------------------------------------------------------
>
> Key: STORM-1964
> URL: https://issues.apache.org/jira/browse/STORM-1964
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-core
> Affects Versions: 1.0.1
> Reporter: Lorenzo Affetti
> Assignee: Arun Mahadevan
> Priority: Minor
> Labels: timestamp, windowing
>
> I launched a topology applying a tumbling count window of size 2 (watermark
> interval 200ms, lag 1s) with the following input (timestamp,value):
> {noformat}
> (10,10)
> (10,20)
> (11,30)
> (12,40)
> (12,50)
> (12,60)
> (12,70)
> (13,80)
> (14,90)
> (15,100)
> {noformat}
> And I got these windows as output:
> {noformat}
> [(10,10), (10,20)]
> [(12,60), (12,70)]
> [(12,60), (12,70)] // why (60, 70) twice?
> [(13,80), (14,90)]
> {noformat}
> I would expect something like:
> {noformat}
> [(10,10), (10,20)]
> [(11,30), (12,40)]
> [(12,50), (12,60)]
> [(12,70), (13,80)]
> [(14,90), (15,100)]
> {noformat}
> It seems like that timestamp extraction and count windows does not fit each
> other.
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