Windows Server 2012 Automation with PowerShell Cookbook

Reporting on performance data

Once performance data has been collected, the next challenge is to organize the information into a usable format. There are basic statistics that can be gathered easily through PowerShell—minimum, maximum, and average, however, these only tell a part of the story.

In addition to these basic statistics, it is often useful to identify the 95th percentile. The 95th percentile identifies how many resources are consumed, or how much performance is needed, 95 percent of the time. The remaining 5 percent can often be regarded as a statistical anomaly, and excluded from most performance or sizing practices.

Getting ready

In this recipe, we will be using the performance data collected in the previous recipe, Configuring Data ...