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https://issues.apache.org/jira/browse/BEAM-8608?focusedWorklogId=438786&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-438786
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ASF GitHub Bot logged work on BEAM-8608:
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Author: ASF GitHub Bot
Created on: 29/May/20 15:52
Start Date: 29/May/20 15:52
Worklog Time Spent: 10m
Work Description: dmvk commented on pull request #11858:
URL: https://github.com/apache/beam/pull/11858#issuecomment-636047529
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Issue Time Tracking
-------------------
Worklog Id: (was: 438786)
Time Spent: 20m (was: 10m)
> 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 Morávek
> Assignee: David Morávek
> Priority: P2
> Attachments: Screen Shot 2019-11-07 at 10.35.07.png, Screen Shot
> 2019-11-07 at 10.35.22.png
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> 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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