AppDynamics is a market leader, named for 3 years in a row (2012,2013,2014) as a Leader in Gartner's APM (Application Performance Monitoring) Magic Quadrant.
AppDynamics allows you to model your complete installation for full control of all your components, collect hardware statistics and JVM information and detect potential problems before they become a real issue. Also, pinpoint root problem causes when the system has poor performance to gain full control over your system performance.