Big data and analytics technologies have been going gangbusters for several years, with companies, funding rounds, technologies, and releases occuring rapid-fire since Hadoop and NoSQL stepped onto the industry stage. Each of the last several years saw an overarching theme in the data arena: 2012 was the year big data became really hot; 2013 was the year it grew more accessible, through SQL-on-Hadoop; and 2014 was the year it became far-more versatile, with the addition of YARN and Spark. 2015 will be the year Hadoop matures.

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