Tracking down performance issues in large distributed systems is inherently complicated. Why is the application slow? Where is the bottleneck? In my experience, one of the more insidious culprits is known as high IO wait.
How To Upgrade From Fedora 16 To Fedora 17 (Desktop & Server) This article describes how you can upgrade your Fedora 16 system to Fedora 17. The upgrade procedure works for both desktop and server installations.