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From "Aljoscha Krettek (JIRA)" <>
Subject [jira] (BEAM-1346) Drop Late Data in ReduceFnRunner
Date Tue, 31 Jan 2017 16:51:51 GMT


Aljoscha Krettek commented on BEAM-1346:

[~kenn], yes exactly, that's how I was able to home in on those two commits. The changes are
still good, we just need another place in to code to do the late-data dropping.

> Drop Late Data in ReduceFnRunner
> --------------------------------
>                 Key: BEAM-1346
>                 URL:
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-core
>    Affects Versions: 0.5.0
>            Reporter: Aljoscha Krettek
> I think these two commits recently broke late-data dropping for the Flink Runner (and
maybe for other runners as well):
> -
> -
> It boils down to the {{LateDataDroppingDoFnRunner}} not being used anymore  because {{DoFnRunners.lateDataDroppingRunner()}}
is not called anymore when a {{DoFn}} is a {{ReduceFnExecutor}} (because that interface was
> Maybe we should think about dropping late data in another place, my suggestion is {{ReduceFnRunner}}
but that's open for discussion.

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