scala> val input = sc.parallelize(List(1, 2, 4, 1881824400))
input: org.apache.spark.rdd.RDD[Int] = ParallelCollectionRDD[0] at parallelize at <console>:21

scala> val result = input.map(x => 2*x)
result: org.apache.spark.rdd.RDD[Int] = MapPartitionsRDD[1] at map at <console>:23

scala> println(result.collect().mkString(","))
2,4,8,-531318496