Aljoscha Krettek created BEAM-956:
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Summary: 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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