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https://issues.apache.org/jira/browse/BEAM-8608?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maximilian Michels updated BEAM-8608:
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Status: Open (was: Triage Needed)
> Chain DoFns in Flink batch runner when possible.
> ------------------------------------------------
>
> Key: BEAM-8608
> URL: https://issues.apache.org/jira/browse/BEAM-8608
> Project: Beam
> Issue Type: Improvement
> Components: runner-flink
> Affects Versions: 2.16.0
> Reporter: David Moravek
> Assignee: David Moravek
> Priority: Major
> Attachments: Screen Shot 2019-11-07 at 10.35.07.png, Screen Shot
> 2019-11-07 at 10.35.22.png
>
>
> Right now, in Batch runner, DoFn is executed using MapPartition operator
> (_FlinkDoFnFunction_), which doesn't have chained driver implementation.
> We need to reimplement DoFnFunction with FlatMap to allow chaining.
> Attached is the execution graph for the same pipeline, before and after the
> patch.
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