Diagnosing Performance Problems With WebSphere Application Server on z/OS

Overview

There is always a need to be able to diagnose performance problems. In order to diagnose performance problems on any combination of machines, with any combination of products, there is a certain amount of conceptual material to introduce. The information in this paper, while using WebSphere on z/OS as an example, is applicable to any machine running a J2EE application server. This paper is divided into four parts - questions and answers to introduce conceptual material, a flow chart of places to search for answers to your performance problem, some real examples of what was done for various performance problems and a list of hints and tips that will potentially eliminate performance problems before they occur.