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Posted to commits@beam.apache.org by "Amit Sela (JIRA)" <ji...@apache.org> on 2016/10/21 12:03:59 UTC

[jira] [Created] (BEAM-794) Differ combining in case of merging windows with sideInputs

Amit Sela created BEAM-794:
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             Summary: Differ combining in case of merging windows with sideInputs 
                 Key: BEAM-794
                 URL: https://issues.apache.org/jira/browse/BEAM-794
             Project: Beam
          Issue Type: Bug
          Components: runner-spark
            Reporter: Amit Sela
            Assignee: Amit Sela


For background, see BEAM-696.

If a Combine transformation is applied to a PCollection with merging windows and sideInput, the runner should differ the execution of Combine.

For the SparkRunner this means that it should use groupByKey instead of combinePerKey/Globally.



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