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scala> val rawRDDA=sc.parallelize(List("!! bb ## cc","%% cc bb %%","cc && ++ aa"),3) rawRDDA: org.apache.spark.rdd.RDD[String] = ParallelCollectionRDD[46] at parallelize at <console>:...

scala> val textFile=sc.textFile("file:///usr/local/spark/README.md") textFile: org.apache.spark.rdd.RDD[String] = file:///usr/local/spark/README.md MapPartitionsRDD[79] at textFile at <console&g...

Apache Spark Spark is a fast and general cluster computing system for Big Data. It provides high-level APIs in Scala, Java, Python, and R, and an optimized engine that supports general computation gra...