What is shuffling in MapReduce?

What is shuffling in MapReduce?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: easy

标签: interviewbit, hadoop, topic-specific, data-engineering

参考答案摘要

In Hadoop MapReduce, shuffling is used to transfer data from the mappers to the important reducers. It is the process in which the system sorts the unstructured data and transfers the output of the ma...

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