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From "Hyukjin Kwon (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-20091) DagScheduler should allow running concurrent attempts of a stage in case of multiple fetch failure
Date Tue, 21 May 2019 04:12:34 GMT

     [ https://issues.apache.org/jira/browse/SPARK-20091?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hyukjin Kwon resolved SPARK-20091.
----------------------------------
    Resolution: Incomplete

> DagScheduler should allow running concurrent attempts of a stage in case of multiple
fetch failure
> --------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-20091
>                 URL: https://issues.apache.org/jira/browse/SPARK-20091
>             Project: Spark
>          Issue Type: Improvement
>          Components: Scheduler
>    Affects Versions: 2.0.1
>            Reporter: Sital Kedia
>            Priority: Major
>              Labels: bulk-closed
>
> Currently, the Dag scheduler does not allow running concurrent attempts of a stage in
case of multiple fetch failure. As a result, in case of multipe fetch failures are detected,
serial execution of map stage delays the job run significantly.



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