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Hadoop学习之路（二十三）MapReduce中的shuffle详解 <= 以下内容出自该博客从Map输出到Reduce输入的整个过程可以广义地称为Shuffle。Shuffle横跨Map端和Reduce端，在Map端包括Spill过程，在Reduce端包括copy和sort过程，如图所示...

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Hadoop MapReduce的shuffle过程存在的问题又是什么呢？

Hadoop中如何用mapreduce方法设置shuffle所使用的类？

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更新时间 2023-10-28 21:48:38

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