[jira] [Created] (SPARK-4360) task only execute on one node when spark on yarn

["seekerak (JIRA)" <ji...@apache.org>]

seekerak created SPARK-4360:
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             Summary: task only execute on one node when spark on yarn
                 Key: SPARK-4360
                 URL: https://issues.apache.org/jira/browse/SPARK-4360
             Project: Spark
          Issue Type: Bug
    Affects Versions: 1.0.2
            Reporter: seekerak


hadoop version: hadoop 2.0.3-alpha
spark version: 1.0.2

when i run spark jobs on yarn, i found all the task only run on one node, my cluster has 4 nodes, executors has 3, but only one has task, the others hasn't, my command like this :

/opt/hadoopcluster/spark-1.0.2-bin-hadoop2/bin/spark-submit --class org.sr.scala.Spark_LineCount_G0 --executor-memory 2G --num-executors 12 --master yarn-cluster /home/Spark_G0.jar /data /output/ou_1

is there any one knows why?



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