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count()

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count()

Return a new DStream of single-element RDDs by counting the number of elements in each RDD of the source DStream.

    val union = ssc.union(rawStreams)
    union.filter(_.contains("the")).count().foreachRDD(r =>
      println(s"Grep count: ${r.collect().mkString}"))
Previousreduce(func)NextcountByValue()

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