Chapter 1. Overview and Architecture

If you are reading this book, chances are you are swimming in mountains of data. Creating mountains of data has become very easy, thanks to Facebook, Twitter, Amazon, digital cameras and camera phones, YouTube, Google, and just about anything else you can think of connected to the Internet. As a provider of a website, 10 years ago, your application logs were only used to help you troubleshoot your website. Today, that same data can provide valuable insight into your business and customers if you know how to pan gold out of your river of data.

Furthermore, since you are reading this book, you are also aware that Hadoop was created to solve (partially) the problem of sifting through mountains of data. Of course, ...

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