Antipattern4.8 Unbalanced Capacities

The trade press is bursting with stories about utility computing. The concept is fabulous: as demand on your application changes, it automatically gets more CPU, memory, and I/O resources assigned to it. Who does the assigning? Some entity in the infrastructure monitors your application’s performance and adds resources whenever it sees that performance doesn’t meet the required service levels. This “master control program” lurks in the background, measuring your system’s performance and dynamically reallocating resources. It is supposed to guarantee that you will never have a resource crunch again. Of course, it also ...

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