5. Hadoop MapReduce Framework

In This Chapter:

Image The MapReduce computation model is presented using simple examples.

Image The Apache Hadoop MapReduce framework data flow is explained.

Image MapReduce fault tolerance, speculative execution, and hardware are discussed.

The MapReduce programming model is conceptually simple. Based on two simple steps—applying a mapping process and then reducing (condensing/collecting) the results—it can be applied to many real-world ...

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