spark groupByKey reduceByKey aggregateByKey 区别博客
作者：互联网
有图，比较详细：https://blog.csdn.net/sperospera/article/details/89164261
源码级别分析：https://www.freesion.com/article/7133195695/
各种ByKey在pyspark中的使用相关：https://blog.csdn.net/zhuzuwei/article/details/104446388
区别总结：https://blog.csdn.net/faan0966/article/details/80513260
额外说明：combineByKey和reduceByKeyLocal的相关：https://blog.csdn.net/u010720408/article/details/89358901
标签：groupByKey,blog,reduceByKey,csdn,details,https,aggregateByKey,article,net 来源： https://blog.csdn.net/misayaaaaa/article/details/115716621