[
https://issues.apache.org/jira/browse/SAMZA-1322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16261365#comment-16261365
]
Xinyu Liu commented on SAMZA-1322:
----------------------------------
Dup of SAMZA-1386. Close the ticket.
> Propagate watermark messages
> ----------------------------
>
> Key: SAMZA-1322
> URL: https://issues.apache.org/jira/browse/SAMZA-1322
> Project: Samza
> Issue Type: Task
> Affects Versions: 0.14.0
> Reporter: Xinyu Liu
> Assignee: Xinyu Liu
>
> TaskInstance will aggregate watermark messages based on counting the upstream
> tasks, and calculate the result watermark based on the following equation:
> InputWatermark = min { OutputWatermark(task) for each task in upstream tasks }
> Then it will deliver the water to the task. The task will process the
> watermark and finally send it again to downstreams based on stream graph
> topology.
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
