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Behavioral Databases

benbjohnson
October 24, 2012

Behavioral Databases

A presentation I gave at the Derailed meetup in Denver on October 24th, 2012.

benbjohnson

October 24, 2012
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  1. Memory is getting cheap. Use it. 2011 $10/GB 2010 $20/GB

    http://www.jcmit.com/memoryprice.htm
  2. Memory is getting cheap. Use it. 2012 $5/GB 2011 $10/GB

    2010 $20/GB http://www.jcmit.com/memoryprice.htm
  3. Qip

  4. What is Qip? * LLVM-backed query processing language. * JIT

    compiled on the fly. * As fast as C. * Removed from build because of complexity.
  5. Cohort Analysis 1 2 3 4 5 Jan 80% 70%

    65% 63% 62% Feb 83% 73% 70% 69% Mar 87% 78% 75% Apr 89% 80% May 90% Month Signed Up Months After Signing Up