2017年7月17日
spark--transform算子--cogroup
摘要： import org.apache.spark.{SparkConf, SparkContext} /** * Created by yz02 on 2017/6/16. */ object T_cogroup { System.setProperty("hadoop.home.dir","F:\\ 阅读全文
posted @ 2017-07-17 17:56 书灯 阅读(16) 评论(0) 推荐(0)
spark--transform算子--coalesce
摘要： import org.apache.spark.{SparkConf, SparkContext} import scala.collection.mutable.ArrayBuffer /** * Created by yz02 on 2017/6/15. */ object T_coalesce 阅读全文
posted @ 2017-07-17 17:52 书灯 阅读(11) 评论(0) 推荐(0)
spark--transform算子--cartesian
摘要： import org.apache.spark.{SparkConf, SparkContext} /** * Created by lp on 2017/6/16. */ object T_cartesian { System.setProperty("hadoop.home.dir","F:\\ 阅读全文
posted @ 2017-07-17 17:47 书灯 阅读(8) 评论(0) 推荐(0)