SPARK笔记 | 宁雨

groupby vs groupbyKey

groupby 用于PairRDD和unpaired RDD,可以指定key，

groupbyKey 只能用于PairRDD

http://balajireddyblog.blogspot.com/2016/12/groupby-vs-groupbykey-in-this-posti.html

宁雨 / 2021-02-26
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