Is your MySQL database groaning under the weight of too much data? Are you tired of waiting for analytics rake tasks in Rails that take hours to run? Loren Siebert discusses how you can leverage your existing Ruby codebase by building Hadoop Map/Reduce jobs using Hive and plugging in your own custom Ruby mappers/reducers. This is good for Rubyists who want to apply what they know to Hadoop, and good for Hadoop users who don’t want to build MapReduce functionality in Java.
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