Mention the core methods of Reducer.

Mention the core methods of Reducer.

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: hard

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

参考答案摘要

The core methods of a Reducer are: setup(): setup is a method called just to configure different parameters for the reducer. reduce(): reduce is the primary operation of the reducer. The specific func...

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