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https://issues.apache.org/jira/browse/BEAM-4525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Beam JIRA Bot updated BEAM-4525:
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Labels: (was: stale-assigned)
> Allow combiner lifting with AfterProcessingTime trigger in Dataflow Runner
> --------------------------------------------------------------------------
>
> Key: BEAM-4525
> URL: https://issues.apache.org/jira/browse/BEAM-4525
> Project: Beam
> Issue Type: Bug
> Components: runner-dataflow
> Reporter: Sam Whittle
> Priority: P3
>
> This seems safe with AfterProcessingTime since otherwise assigning to panes
> is based upon system timing. A valid output without combiner lifting would
> be for all the elements to arrive in a single batch with the same timestamp
> so allowing combiner lifting seems equivalent and more efficient.
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