The shared-nothing architecture has, from the beginning, offered the promise of using hardware to solve performance problems rather than applying staff and tuning. By this I mean… if you can add nodes and scale out to improve query response then why not throw hardware at performance problems rather than build a fragile infrastructure of aggregate…
Let me be blunt: using price per terabyte as the measure of a data warehouse platform is holding back the entire business intelligence industry. Consider this… The Five Minute Rule (see here and here) clearly describes the economics of HW technology… suggesting exactly when data should be retained in memory versus when it may be moved…
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