Chapter 11. Virtualizing Hadoop Master Servers

Our experience over seven or eight years has been that when customers start using virtualization, they have a preliminary notion of what virtualization is. But once they get in and start using it, they see it’s like a Swiss Army knife, and they can use it in many different ways.

—Raghu Raghuram

Virtualization is like a Swiss army knife; it has many ways that it can help you. However, this presents a number of challenges. The first is that today most people still do not understand how virtualization works or how to leverage a lot of its features and functionality. The second is that building an enterprise virtual infrastructure is not a trivial endeavor. However, if you build it right, virtualization ...

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