I recently debriefed with an OpenBI consultant who’d just completed a challenging big data analytics assignment. In a two-month period, he exhausted a procession of Hadoop tools, including Hive, Pig, Pentaho Data Integration and finally Java MapReduce – in addition to SQL and R.

In the end, mission accomplished and many lessons learned. Two summary observations: the need for higher-level, integrated query/computation Hadoop tools, but also an appreciation of the low-level MapReduce pattern of computation.

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