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https://issues.apache.org/jira/browse/BEAM-210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16067804#comment-16067804
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ASF GitHub Bot commented on BEAM-210:
-------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/beam/pull/3446
> Allow control of empty ON_TIME panes analogous to final panes
> -------------------------------------------------------------
>
> Key: BEAM-210
> URL: https://issues.apache.org/jira/browse/BEAM-210
> Project: Beam
> Issue Type: Bug
> Components: beam-model-runner-api, sdk-java-core
> Reporter: Mark Shields
> Assignee: Pei He
>
> Today, ON_TIME panes are emitted whether or not they are empty. We had
> decided that for final panes the user would want to control this behavior, to
> control data volume. But for ON_TIME panes no such control exists. The
> rationale is perhaps that the ON_TIME pane is a fundamental result that
> should not be elided. To be considered: whether this is what we want.
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