Performance management

RMF™ offers you a wide variety of views on z/OS system performance. This part of the manual tells you which view will help you most in a particular situation, and what steps you can take to have RMF present you with this view. For help in analyzing the reports produced, see z/OS RMF Report Analysis.

There are many situations in which RMF can help you with performance management. You needn't wait until you have a problem in that area; RMF supplies data that you can use to check that things are running smoothly, or to see in good time where improvements may be necessary. The following chapters discuss how RMF helps you with:
  • Performance monitoring, seeing that everything is running smoothly
  • Performance analysis, getting to the seat of problems
  • System tuning, ensuring the best usage of resources
  • Capacity planning, ensuring that you have enough resources