[GitHub] spark pull request: [SPARK-3325] Add a parameter to the method pri...

[ScrapCodes <gi...@git.apache.org>]

Github user ScrapCodes commented on a diff in the pull request:

    https://github.com/apache/spark/pull/2216#discussion_r16942761
  
    --- Diff: streaming/src/main/scala/org/apache/spark/streaming/dstream/DStream.scala ---
    @@ -603,14 +603,14 @@ abstract class DStream[T: ClassTag] (
        * Print the first ten elements of each RDD generated in this DStream. This is an output
        * operator, so this DStream will be registered as an output stream and there materialized.
        */
    -  def print() {
    +  def print(num: Int = 10) {
         def foreachFunc = (rdd: RDD[T], time: Time) => {
    -      val first11 = rdd.take(11)
    +      val firstNum = rdd.take(num + 1)
    --- End diff --
    
    Why +1 ?


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