2020年9月23日

cogroup
摘要： import org.apache.spark.rdd.RDD import org.apache.spark.{SparkConf, SparkContext} object cogroupRDD { def main(args: Array[String]): Unit = { val conf 阅读全文
posted @ 2020-09-23 19:52 happygril3 阅读(131) 评论(0) 推荐(0)
join
摘要： import org.apache.spark.rdd.RDD import org.apache.spark.{SparkConf, SparkContext} object joinRDD { def main(args: Array[String]): Unit = { val conf: S 阅读全文
posted @ 2020-09-23 19:41 happygril3 阅读(165) 评论(0) 推荐(0)
mapValues
摘要： import org.apache.spark.rdd.RDD import org.apache.spark.{SparkConf, SparkContext} object KeyValueRDD { def main(args: Array[String]): Unit = { val con 阅读全文
posted @ 2020-09-23 19:40 happygril3 阅读(199) 评论(0) 推荐(0)
keyValue
摘要： import org.apache.spark.rdd.RDD import org.apache.spark.{SparkConf, SparkContext} object kv2RDD { def main(args: Array[String]): Unit = { val conf: Sp 阅读全文
posted @ 2020-09-23 19:24 happygril3 阅读(178) 评论(0) 推荐(0)

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