This week Ben Rooney from the Wall Street Journal asks Hortonworks CEO Eric Baldeschwieler about Hadoop’s secret sauce.
It doesn’t try to solve everything. [Traditional] SQL databases try to solve a set of problems that are very complicated. Hadoop only tries to solve a subset of them. By working on only a subset of the problems you can get a design that is inherently scalable, but can be broken up into chunks and distributed across a whole bunch of computers, and broken up in such way that you get recovery from failure.
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