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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2022/06/03 21:54:59 UTC

[GitHub] [beam] kennknowles opened a new issue, #18983: Allow combiner lifting with AfterProcessingTime trigger in Dataflow Runner

kennknowles opened a new issue, #18983:
URL: https://github.com/apache/beam/issues/18983

   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.
   
   Imported from Jira [BEAM-4525](https://issues.apache.org/jira/browse/BEAM-4525). Original Jira may contain additional context.
   Reported by: scwhittle.


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