We often need to find CPU and memory utilization of a particular Java process in order to get some performance stats, capacity planning or just to understand the current load on the system. Performance monitoring and testing is an integral part of any Java application development, especially if you are working in a high-frequency trading space. In order to fix a performance problem, you have to find them first and knowledge of the right tools and commands helps there. One of the primary causes of poor application performance is it Java or any other process is the exhaustion of important resources like CPU and memory.