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https://issues.apache.org/jira/browse/SAMZA-1321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16170923#comment-16170923
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ASF GitHub Bot commented on SAMZA-1321:
---------------------------------------

Github user xinyuiscool closed the pull request at:

    https://github.com/apache/samza/pull/225


> Propagate end-of-stream messages
> --------------------------------
>
>                 Key: SAMZA-1321
>                 URL: https://issues.apache.org/jira/browse/SAMZA-1321
>             Project: Samza
>          Issue Type: Task
>            Reporter: Xinyu Liu
>            Assignee: Xinyu Liu
>
> TaskInstance will aggregate the end-of-stream control messages, propagate the 
> result to the StreamOperatorTask. The Task will send end-of-stream to 
> downstream intermediate topics given the upstream inputs to a set of 
> operators are all end-of-stream.



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