Hornet Dear Bernard

Dear, Dear Bernard

InfoQ: Column-based Storage in SQL Server 2011

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When using a table with 1 TB of data and 1.44 billion rows, Microsoft claims that column-orientated queries saw a 16X speed-up in CPU time and a whopping 455X improvement in elapsed time. In real terms this means a query that took 501 seconds originally was reduced to merely 1.1 seconds. This test was performed on a 32-logical processor machine with 256GB of RAM

via InfoQ: Column-based Storage in SQL Server 2011.

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Written by bernardhornet

March 8, 2011 at 8:59 am

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