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Posted to commits@beam.apache.org by "Thomas Groh (JIRA)" <ji...@apache.org> on 2018/02/05 23:34:00 UTC

[jira] [Commented] (BEAM-3529) Side Input callbacks should fire after a window has expired in addition to when the trigger would fire

    [ https://issues.apache.org/jira/browse/BEAM-3529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16353096#comment-16353096 ] 

Thomas Groh commented on BEAM-3529:
-----------------------------------

Yes; note that the simple test implementation uses {{TestStream}}, so there's limited coverage by default, but it is certainly worth writing.

> Side Input callbacks should fire after a window has expired in addition to when the trigger would fire
> ------------------------------------------------------------------------------------------------------
>
>                 Key: BEAM-3529
>                 URL: https://issues.apache.org/jira/browse/BEAM-3529
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-direct
>            Reporter: Thomas Groh
>            Assignee: Thomas Groh
>            Priority: Major
>
> Otherwise a streaming pipeline where elements trying to access a window that has expired will not progress, even though we can be certain that there will never be inputs in that window.



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