Myths About Capacity

People have been known to believe some strange things, such as the medieval notion that witches would float like a duck or that linear projection of CPU usage can tell you the capacity of a system. Some of these beliefs are harmless. If the operations manager thinks that the system crashes whenever he wears his Hawaiian shirt, you might actually be better off not disabusing him of his superstition. On the other hand, some fallacious beliefs cost the company millions of dollars.

CPU Is Cheap

I’ve seen terrible offenses committed by bad developers justifying their sloppiness with a glib assertion that CPU is cheap. It would be like saying, “Peanut butter is cheap, so I’ll use three times the usual amount to make this sandwich.” ...

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