Measuring, tuning, and monitoring: the basics

Good performance is the achievement of maximizing the use of your system resources, which helps towards reaching service level agreements efficiently.

About this task

You must consider the performance of a CICS® system at the following times:
  • When you plan to install a new system
  • When you review an existing system
  • When you plan major changes to a system

The following procedure shows the principal steps to tune a system.

Procedure

  1. Agree what good performance is.
  2. Set up performance objectives and decide how you measure them.
  3. Measure the performance of the production system.
  4. Adjust the system as necessary.
  5. Continue to monitor the performance of the system and anticipate future constraints.