title: What's a best practice sampling rate for Perfmon?
body: <p>What's an acceptable sampling rate with Perfmon? Obviously, the more often we sample, the more our performance sampling has an effect on the performance on the machine. I'm hoping someone out there has a good rule of thumb for such a thing.</p>
  
  <p>Evidence and statistics would be even better, but I'd be happy with generally accepted best practices.</p>