PowerShell+ 2019 - Finding Performance Bottlenecks with PowerShell by Mike F. Robbins
1Have you ever walked into the office one morning only to discover major performance problems after leaving the previous day with everything operating normally? How do you begin to diagnose this type of performance problem? While PowerShell may not be your first thought, it can offer a quick way to identify where the problems reside. The Get-Counter cmdlet, which is used to query performance counters on Windows based systems, isn't very intuitive to say the least and its results aren’t what I would call a great object-oriented design. During this session, you’ll learn how to find performance counters and what the top 10 most important performance counters are along with their recommended values. You’ll learn how to query performance counters, create a reusable tool to query the top 10 performance counters, and automate the validation of those performance counters with Pester. Finally, you’ll learn how to create advanced validation tests for those performance counters.
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