Mike Olson runs a company that specializes in the world's hottest software. He's the CEO of Cloudera, a Silicon Valley startup that deals in Hadoop, an open source software platform based on tech that turned Google into the most dominant force on the web...

...Since the rise of Hadoop, Google has published three particularly interesting papers on the infrastructure that underpins its massive web operation. One details Caffeine, the software platform that builds the index for Google's web search engine. Another shows off Pregel, a "graph database" designed to map the relationships between vast amounts of online information. But the most intriguing paper is the one that describes a tool called Dremel.

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