z/OS Performance and Tuning
3 Days

This course provides the fundamentals of performance management for systems programmers and performance analysts. Specific topics will focus on the basics of performance management, resources components that are affected, and the workload manager definitions that will be used to assign resources according to priorities. In addition, exercises related to problem diagnosis and tuning adjustments will be used to illustrate the effects of various decisions.

AUDIENCE

Systems programmers and performance analysts that need a better understanding of performance management, performance metrics, and the means for defining resource distribution using Workload Manager (WLM)

SESSION CONTENT

Performance Management Overview
  • Define elements of performance tuning
  • Examine basic queuing models
  • Interpret results of queuing theory models
System Components of Tuning: Processor
  • Evaluate processor power ratings
  • Examine key processor metrics
  • Review data gathering methods for processor metrics
System Components of Tuning: Memory
  • Review paging/swapping mechanism
  • Examine real, expanded, and auxiliary storage metrics
  • Review data gathering methods for storage metrics
System Components of Tuning: I/O
  • Review I/O subsystem components
  • Examine I/O metrics
  • Review data gathering methods for I/O metrics
Workload Characterization
  • Review processes for grouping comparable workloads
  • Establishing workload objectives
Managing System Resources
  • Examine Workload Manager (WLM) definitions
  • Examination of WLM processes
  • Review WLM results
Monitoring and Tuning Systems
  • Diagnose various performance problems
  • Examine tracking mechanisms available through RMF
  • Review performance reporting and data interpretation

Prerequisites: None.

We can cover any and all topics—topics can be added or deleted per Client’s needs
WORKSTATIONS ARE NEEDED FOR THIS SESSION.


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