1. A method of tuning an application deployed in an application server, comprising the steps of: deploying the application in the application server; invoking an application tuning tool to display an interface including displays of current values of application parameters and measurements of performance of the application, wherein the interface displays emphasize importance of a particular parameter over another parameter, wherein the interface comprises a first portion operable to display the current values of application parameters, and a second portion operable to display the measurements of performance of the application, wherein when the first portion changes to display values of different application parameters, the second portion continues to display the measurements of performance of the application; receiving specifications of values of application tuning parameters; and tuning the application using the received specified parameter values.