After briefly considering and rejecting an open-source tool (it was not scalable) and internal development (it would be too expensive to build and maintain), Harvell and his team chose the Vertica Analytic Database 2.0.
The Vertica Analytic Database is a high-speed, relational SQL database management system (DBMS) purpose-built for analytics and business intelligence. The Vertica Database has a shared-nothing, column-oriented architecture, and has been benchmarked by many customers as being 10x to 200x faster than other solutions. It also uses compression very aggressively, both of data on disk and on data "in motion" during queries, which further enhances query speed while enabling cost-effective storage management.
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