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Optimizing Hadoop for MapReduce by Khaled Tannir

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Summary

In this chapter, we learned the MapReduce programing model and reviewed how this works internally. Then, we focused on Hadoop MapReduce and learned about its main components. We also covered internal and external factors that may affect Hadoop MapReduce performance.

In the next chapter, we will investigate Hadoop's tunable parameters and learn about Hadoop metrics and performance tools.

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