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From "Maximilian Michels (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-956) Execute ReduceFnRunner Directly in Flink Runner
Date Wed, 23 Aug 2017 13:24:00 GMT

    [ https://issues.apache.org/jira/browse/BEAM-956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16138331#comment-16138331
] 

Maximilian Michels commented on BEAM-956:
-----------------------------------------

It appears this issue has been fixed. [~aljoscha] can this be closed?

> Execute ReduceFnRunner Directly in Flink Runner
> -----------------------------------------------
>
>                 Key: BEAM-956
>                 URL: https://issues.apache.org/jira/browse/BEAM-956
>             Project: Beam
>          Issue Type: Improvement
>          Components: runner-flink
>            Reporter: Aljoscha Krettek
>
> Right now, a {{ReduceFnRunner}} is executed via {{GroupAlsoByWindowViaWindowSetDoFn}}
which in turn is executed via a {{DoFnRunner}}. We should change that to get rid of the dependence
on {{GroupAlsoByWindowViaWindowSetDoFn}} which is an {{OldDoFn}} and also to get rid of some
unneeded layering.



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