May 2012
Intermediate to advanced
682 pages
22h 19m
English
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Foreword
Hadoop got its start in Nutch. A few of us were attempting to build an open source web search engine and having trouble managing computations running on even a handful of computers. Once Google published its GFS and MapReduce papers, the route became clear. They’d devised systems to solve precisely the problems we were having with Nutch. So we started, two of us, half-time, to try to re-create these systems as a part of Nutch.
We managed to get Nutch limping along on 20 machines, but it soon became clear that to handle the Web’s massive scale, we’d need to run it on thousands of machines and, moreover, that the job was bigger than two half-time developers could handle.
Around that time, Yahoo! got interested, and quickly put together a team that I joined. We split off the distributed computing part of Nutch, naming it Hadoop. With the help of Yahoo!, Hadoop soon grew into a technology that could truly scale to the Web.
In 2006, Tom White started contributing to Hadoop. I already knew Tom through an excellent article he’d written about Nutch, so I knew he could present complex ideas in clear prose. I soon learned that he could also develop software that was as pleasant to read as his prose.
From the beginning, Tom’s contributions to Hadoop showed his concern for users and for the project. Unlike most open source contributors, Tom is not primarily interested in tweaking the system to better meet his own needs, ...
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