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WLM – Not All Address Spaces are Managed Alike


Not all z/OS address spaces are managed alike by WLM, and WLM administrators need to know this. There are groupings of address spaces that have various characteristics that need to be understood by WLM administrators to allow the proper WLM goals, importance levels, and period setup. These various characteristics even influence how address space measurements need to be interpreted. In fact, there are a variety of cases in which certain address spaces should not be mixed together into the same service class for WLM management. During this presentation Peter Enrico of Enterprise Performance Strategies, Inc. will be presenting this topic.

WARNING: This presentation may cause a sudden urge to reevaluate your WLM service definition.


Stream: zCMPA
Room: Woodcote
Time: 14:00 - 15:00


  • Peter Enrico at EPS
  • Peter Enrico has strong and diverse experience with the IBM zArchitecture platforms, and a solid background in z/OS, Workload Manager, Parallel Sysplex, UNIX System Services, and WebSphere e-business performance. Peter also has extensive experience measuring, analyzing, and tuning z/OS systems, Sysplexes, and subsystems. Peter's abilities extend beyond just performance. He is considered a highly qualified and effective communicator and seminar instructor. He teaches on a wide array of topics including Workload Manager, WebSphere for z/OS, basic MVS performance, Parallel Sysplex, UNIX System Services, and much more. His classes include 'WLM Performance and Re-evaluation of Goals', 'Essential z/OS Performance Tuning', and his newest 'Parallel Sysplex Performance and Tuning’ class.



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