还可以运行应用程序的试验版本，然后基于分级，提供该试验版本的实际利用率。
You may also run a pilot of your application and then, based on your sizing, offer the actual utilization of this pilot.
如果这些预测不正确，那么实际的后端服务器利用率可能略微超过或达不到目标值。
If those predictions are incorrect then the actual backend utilization may slightly breach, or never reach, this goal.
当您尝试进行扩展时，很重要的一点是要了解实际的资源利用率，这种测量方法被称为“可扩展性因子“法。
When you try to scale that, its important to understand what percentage of the resource is actually usable. This measurement is called “scalability factor“.
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