Spark RDD 笛卡爾積

Spark RDD 笛卡爾積 html val left = sc.parallelize(List(1,2,3)) val right = sc.parallelize(List(3,4,5,6)) val out = left union right //返回全部元素新的RDD //{1,2,3,3,3,4,5,6} val insterstions = left intersection

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