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https://issues.apache.org/jira/browse/BEAM-5857?focusedWorklogId=163188&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-163188
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ASF GitHub Bot logged work on BEAM-5857:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 06/Nov/18 20:33
            Start Date: 06/Nov/18 20:33
    Worklog Time Spent: 10m 
      Work Description: iemejia commented on issue #6829: [BEAM-5857] Fix: 
unnecessary submission of a new job when calling inp…
URL: https://github.com/apache/beam/pull/6829#issuecomment-436398641
 
 
   Run Spark ValidatesRunner

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Issue Time Tracking
-------------------

    Worklog Id:     (was: 163188)
    Time Spent: 1.5h  (was: 1h 20m)

> Unnecessary submission of a new job in Combine.globally
> -------------------------------------------------------
>
>                 Key: BEAM-5857
>                 URL: https://issues.apache.org/jira/browse/BEAM-5857
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-spark
>    Affects Versions: 2.7.0
>            Reporter: Marek Simunek
>            Assignee: Marek Simunek
>            Priority: Major
>          Time Spent: 1.5h
>  Remaining Estimate: 0h
>
> When calling `rdd.isEmpty()`, it submits new job, which is not optimal. This 
> happens in Combine.globally translation where its 
> [called|https://github.com/apache/beam/blob/master/runners/spark/src/main/java/org/apache/beam/runners/spark/translation/GroupCombineFunctions.java#L102].



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