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Posted to issues@spark.apache.org by "Sital Kedia (JIRA)" <ji...@apache.org> on 2017/03/25 01:50:42 UTC

[jira] [Created] (SPARK-20091) DagScheduler should allow running concurrent attempts of a stage in case of multiple fetch failure

Sital Kedia created SPARK-20091:
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             Summary: 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


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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