网站介绍:文章浏览阅读5.3k次。转载:http://blog.csdn.net/guotong1988/article/details/50556871groupBy(function) function返回key,传入的RDD的各个元素根据这个key进行分组val a = sc.parallelize(1 to 9, 3)a.groupBy(x => { if (x % 2 == 0) "_spark groupbykey和groupby
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