Getting the most out of your server resources


As an advocate on database virtualization, I often challenge customers to consider if they are using their resources in an optimal way.

And so I usually claim, often in front of a skeptical audience, that physically deployed servers hardly ever reach an average utilization of more than 20 per cent (thereby wasting over 80% of the expensive database licenses, maintenance and options).

Magic is really only the utilization of the entire spectrum of the senses. Humans have cut themselves off from their senses. Now they see only a tiny portion of the visible spectrum, hear only the loudest of sounds, their sense of smell is shockingly poor and they can only distinguish the sweetest and sourest of tastes.

– Michael Scott, The Alchemyst

About one in three times, someone in the audience objects and says that they achieve much better utilization than my stake-in-the-ground 20 percent number, and so use it as a reason (valid or not) for not having to virtualize their databases, for example, with VMware.

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