What is the difference between Spark and MapReduce?

What is the difference between Spark and 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, data-engineer, topic-specific, data-engineering

参考答案摘要

Spark is a MapReduce improvement in Hadoop. The difference between Spark and MapReduce is that Spark processes and retains data in memory for later steps, whereas MapReduce processes data on the disc....

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