[jira] [Work logged] (BEAM-3914) 'Unzip' flattens before performing fusion

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-3914?focusedWorklogId=85725&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-85725 ]

ASF GitHub Bot logged work on BEAM-3914:
----------------------------------------

                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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