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https://issues.apache.org/jira/browse/BEAM-3914?focusedWorklogId=85725&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-85725
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ASF GitHub Bot logged work on BEAM-3914:
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Author: ASF GitHub Bot
Created on: 29/Mar/18 17:27
Start Date: 29/Mar/18 17:27
Worklog Time Spent: 10m
Work Description: tgroh commented on issue #4977: [BEAM-3914] Deduplicate
Unzipped Flattens after Pipeline Fusion
URL: https://github.com/apache/beam/pull/4977#issuecomment-377311041
Built on top of #4948
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Issue Time Tracking
-------------------
Worklog Id: (was: 85725)
Time Spent: 20m (was: 10m)
> 'Unzip' flattens before performing fusion
> -----------------------------------------
>
> Key: BEAM-3914
> URL: https://issues.apache.org/jira/browse/BEAM-3914
> Project: Beam
> Issue Type: Improvement
> Components: runner-core
> Reporter: Thomas Groh
> Assignee: Thomas Groh
> Priority: Major
> Labels: portability
> Time Spent: 20m
> Remaining Estimate: 0h
>
> This consists of duplicating nodes downstream of a flatten that exist within
> an environment, and reintroducing the flatten immediately upstream of a
> runner-executed transform (the flatten should be executed within the runner)
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