I’m a firm believer that better decisions are made with better information. When you open up the Virtual Infrastructure Client and select Administration/VirtualCenter Management server configuration. From there select statistics in the left pane. You will see a right pane that looks something like this:
By default, Virtual Center has set the statistics level to 1. The levels can range from 1 to 4. Level 4 maintains the most stats on your environment and is typically used for debugging.