Why the Hoopla over Hadoop? - Slide 3

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Hadoop isn't just storage. The second part of Hadoop is MapReduce, which can process the data stored in the Hadoop Distributed File System. Essentially, MapReduce “divides and conquers” the data, according to Hadoop creator Doug Cutting. It allows your computations to run on the node where the data is local. It can process a whole data set that's spread across hundreds, even thousands, of computers in parallel chunks. MapReduce then collects and sorts the process data.

Google, Twitter, Facebook and other high-volume sites use Hadoop to store and analyze their Web log data.

Hadoop is a hot topic right now, in the tech press and in the minds of IT organizations with large amounts of data. What is Hadoop and why should business leaders care? Loraine Lawson has broken down the reasons in nine easy to understand facts.


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