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https://issues.apache.org/jira/browse/SAMZA-1982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16890454#comment-16890454
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Bharath Kumarasubramanian commented on SAMZA-1982:
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I am not working on this actively. Will try to get this in for our next release
1.3
> Use TimerRegistry to track time based window triggers instead of relying on
> window()
> ------------------------------------------------------------------------------------
>
> Key: SAMZA-1982
> URL: https://issues.apache.org/jira/browse/SAMZA-1982
> Project: Samza
> Issue Type: Improvement
> Reporter: Prateek Maheshwari
> Assignee: Bharath Kumarasubramanian
> Priority: Major
> Fix For: 1.1
>
>
> Now that we have support for arbitrary processing time timer callbacks
> (TimerRegistry), we can switch from window() call based triggers to using
> more precise triggers. Currently we set the window interval to be the GCD of
> all window intervals. This has the disadvantage of keeping session windows
> open longer than necessary, since in the worst case a new message has up to 2
> * window time to arrive.
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