Home > Storage > PowerScale (Isilon) > Product Documentation > Storage (general) > Dell PowerScale: Considerations and Best Practices for Large Clusters > How do users interact with the application?
Figuring out how users interact with an application is often more challenging to profile. In order to understand what levels performance users are accustomed to and what they are expecting, the following will need to be determined:
An example of the latter would be a CAD application that needs to load 20,000 objects from storage before a drawing can be rendered on the user's display.