Spark进阶之sample、takesample算子_spark sample takesample-CSDN博客

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文章浏览阅读235次。import Utils.SparkUtilsimport org.apache.spark.SparkContextimport org.apache.spark.rdd.RDDobject SampleDemo { def main(args: Array[String]): Unit = { val sc: SparkContext = SparkUtils.getSparkContext() val rdd: RDD[Int] =sc.makeRDD(List(1,2,3_spark sample takesample

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