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Posted to reviews@spark.apache.org by guowei2 <gi...@git.apache.org> on 2014/07/04 05:43:07 UTC

[GitHub] spark pull request: [SPARK-2364][STREAMING] ShuffledDStream run ta...

Github user guowei2 commented on the pull request:

    https://github.com/apache/spark/pull/1291#issuecomment-48006575
  
    when  numPartitioner is set to 0, HashPartitioner would not be failed ,because getPartition method would not be called.
    
    here is the DAGScheduler's code
    
        if (partitions.size == 0) {
          return new JobWaiter[U](this, jobId, 0, resultHandler)
        }



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