Performance tests in enterprises often report macro metrics like CPU utilization and response times. However, these metrics can miss acute performance degradations and hinder troubleshooting. Incorporating micro metrics, such as Garbage Collection pause times and thread states, provides deeper insights and facilitates better performance management and debugging efforts for development teams.
On a major B2B application different GC algorithms behaviors were studied. This application is basically a web service provider servicing SOAP and REST requests from its clients.
Eclipse MAT is a powerful JVM Memory Analysis tool. To maximize its efficiency, use the stand-alone version, allocate ample heap space, and enable 'keep unreachable objects' for better visibility. Additionally, adjust settings to display object sizes in KB, MB, or GB for easier comprehension. These tweaks enhance the user experience.