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Posted to commits@beam.apache.org by "Aviem Zur (JIRA)" <ji...@apache.org> on 2017/04/18 18:01:41 UTC

[jira] [Assigned] (BEAM-1591) Implement Combine optimizations for GABW in streaming.

     [ https://issues.apache.org/jira/browse/BEAM-1591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aviem Zur reassigned BEAM-1591:
-------------------------------

    Assignee: Kobi Salant  (was: Aviem Zur)

> 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
>            Assignee: Kobi Salant
>
> 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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