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From "Amit Sela (JIRA)" <j...@apache.org>
Subject [jira] [Created] (BEAM-1591) Implement Combine optimizations for GABW in streaming.
Date Thu, 02 Mar 2017 13:48:45 GMT
Amit Sela created BEAM-1591:
-------------------------------

             Summary: Implement Combine optimizations for GABW in streaming.
                 Key: BEAM-1591
                 URL: https://issues.apache.org/jira/browse/BEAM-1591
             Project: Beam
          Issue Type: Improvement
          Components: runner-spark
            Reporter: Amit Sela


This should be straight-forward.
Introduce {{AccumT}} generics in {{SparkGroupAlsoByWindowViaWindowSet}} and call with {{InputT}}
for GBK and {{AccumT}} with Combine.
Pass the proper {{SystemReduceFn}} instead of creating it in {{SparkGroupAlsoByWindowViaWindowSet}}.
For combine, extract the output from the fired accumulated output. 



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