5. Hadoop MapReduce Framework
In This Chapter:
The MapReduce computation model is presented using simple examples.
The Apache Hadoop MapReduce framework data flow is explained.
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 ...