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The Two Flavors of Google

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Business Week; By Stephen Baker
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Why are search engines so fast? They farm out the job to multiple processors. Each task is a team effort, some of them involving hundreds, or even thousands, of computers working in concert. As more businesses and researchers shift complex data operations to clusters of computers known as clouds, the software that orchestrates that teamwork becomes increasingly vital. The state of the art is Google's in-house computing platform, known as MapReduce. But Google is keeping that gem in-house. An open-source version of MapReduce known as Hadoop is shaping up to become the industry standard.

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