IBM CICS Performance Series: CICS TS for z/OS V5 Performance Report

• Systems Architects wanting to understand the performance characteristics and capabilities of a specific CICS TS release.
• Capacity Planners and Performance Analysts wanting to understand how an upgrade to the latest release of CICS TS affects their environment.
• Application Developers wanting to design and code highly optimized applications for deployment into a CICS TS environment.

• A description of the factors that are involved in the interaction between IBM z® Systems hardware and a z/OS software environment.
• A definition of key terminology that is used when describing the results of CICS TS performance benchmarks.
• A presentation of how to collect the required data (and the methodology used) when applying Large Scale Performance Reference (LSPR) capacity information to a CICS workload in your environment.
• An outline of the techniques that are applied by the CICS TS performance team to achieve consistent and accurate performance benchmark results.
• High-level descriptions of several key workloads that are used to determine the performance characteristics of a CICS TS release.
• An introduction to the open transaction environment and task control block (TCB) management logic in CICS TS, including a reference that describes how several configuration attributes combine to affect the behavior of the CICS TS dispatcher.
• Detailed information that relates to changes in performance characteristics between successive CICS TS releases, covering comparisons that relate to CICS TS V4.2, V5.1, V5.2, V5.3, V5.4, and V5.5.
• The results of several small performance studies to determine the cost of using a specific CICS functional area.