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Posted to issues@spark.apache.org by "Xiangrui Meng (JIRA)" <ji...@apache.org> on 2014/11/16 05:35:33 UTC

[jira] [Created] (SPARK-4433) Racing condition in zipWithIndex

Xiangrui Meng created SPARK-4433:
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             Summary: Racing condition in zipWithIndex
                 Key: SPARK-4433
                 URL: https://issues.apache.org/jira/browse/SPARK-4433
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 1.0.2, 1.1.1, 1.2.0
            Reporter: Xiangrui Meng
            Assignee: Xiangrui Meng


Spark hangs with the following code:

{code}
sc.parallelize(1 to 10).zipWithIndex.repartition(10).count()
{code}

This is because ZippedWithIndexRDD triggers a job in getPartitions and it cause a deadlock in DAGScheduler.getPreferredLocs.



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