spark中的分區操做回顧--mapPartition

開發十年，就只剩下這套Java開發體系了 >>>   數組 1.spark中repartitionAndSortWithinPartitions實現重分區+排序緩存 def spark_rand(): Unit ={ val data=Array(1, 2, 3, 4, 5, 6,6, 7,3,4, 8, 9, 10, 11, 22, 33, 43, 26, 50, 81, 54, 76, 9

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