[GitHub] incubator-spark pull request: Adding an option to persist Spark RD...

[RongGu]

Github user RongGu commented on the pull request:

    https://github.com/apache/incubator-spark/pull/468#issuecomment-35117584
  
    Hey @pwendell @alig , thank you for reviewing my code and making so many 
comments. I will process them in these two days :)