[GitHub] incubator-spark pull request: SPARK-1053. Don't require SPARK_YARN...

[tgravescs]

Github user tgravescs commented on the pull request:

    https://github.com/apache/incubator-spark/pull/553#issuecomment-34884178
  
    So what does the user see in the yarn-client batch mode if 
SPARK_YARN_APP_JAR isn't specified?