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Passionately curious about Data, Databases and Systems Complexity. Data is ubiquitous, the database universe is dichotomous (structured and unstructured), expanding and complex. Find my Database Research at SQLToolkit.co.uk

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Saturday, 28 January 2012

Architectural Design issues: Scale Up and Scale Out

Scale up is about vertical scalability. This means increasing the capacity by adding more CPU and memory.

Scale out is about horizontal scalability. This means increasing the number of servers available.

Brent Ozar wrote a couple of really interesting articles

Scaling up or scaling out?
http://www.brentozar.com/archive/2011/02/scaling-up-or-scaling-out/
Scaling up of scaling out? part 2
http://www.brentozar.com/archive/2011/03/scaling-up-or-scaling-out-part-two/

Interesting analogy here
Scale Up or Scale Out your Data Problems? A Space Analogy
http://dennyglee.com/2012/01/24/scale-up-or-scale-out-your-data-problems-a-space-analogy/



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