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https://issues.apache.org/jira/browse/FLINK-5061?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15686800#comment-15686800
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Aljoscha Krettek commented on FLINK-5061:
-----------------------------------------
We can also leave it in since it's not a maintenance overhead. My main
motivation for removing this was that I saw too many people on the mailing
lists that were using this but were not aware of what it actually does.
> Remove ContinuousEventTimeTrigger
> ---------------------------------
>
> Key: FLINK-5061
> URL: https://issues.apache.org/jira/browse/FLINK-5061
> Project: Flink
> Issue Type: Improvement
> Components: Streaming
> Reporter: Aljoscha Krettek
> Assignee: Aljoscha Krettek
> Fix For: 1.2.0
>
>
> The Trigger does not do what people think it does. The problem is that a
> watermark T signals that we won't see elements with timestamp < T in the
> future. It does not signal that we have not yet seen elements with timestamp
> > T. So it cannot really be used to trigger at different stages of processing
> an event-time window.
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