Duration
3 days
Course Overview
In this workshop, the basic aspects of Workload manager (WLM) together with fresh novelties up to z/OS 1.8 are covered. This workshop will also discuss how to create WLM policies based on business goals and the type of transactions running in their installation. Learning how to use RMF to effective performance analysis is also covered in this course.
Audience
This is a basic course for IT Specialists and Operations Professionals.
Prerequisites
There are no prerequisites for this course.
Skills taught
You will become familiar with the WLM function, acquiring knowledge on how to classify the multiple types of workload and how to correctly build the policy to achieve the target performance goals.
Course outline
Basics on WLM
- Service definitions and policies
- Workloads and service classes. What to do with heterogeneous service classes.
- The service class period concept
- Report classes
- Classification rules and classification groups
- Service definition coefficients
How WLM works
- Concept of Dispatchable Units and enclaves
- Goals, importance and priorities
WLM functions
- Protecting work
- CPU critical
- Storage Critical
- Min value in Resource Group
- Controling Initiator Dispatch Priority
- Discovering when WLM has reached its limits to improve the performance of certain transactions
- Common mistakes when setting WLM goals
- Application environment
- Dynamic Workload routing support
- All types of Capping
- Intelligent Resource Director (IRD)
- WLM managed initiators
- Dynamic PAV
- WLM, zAAP,and JVM
- WLM pool of address spaces (for USS forked children)
- SMF 99 comments
Workloads recommendations
- WebSphere Application Server
- Transactional workload considerations, including Execution Delay Monitoring (for CICS and IMS)
- DB2 workloads
- UNIX System Services considerations
- TSO, STC, Batch, MQ and APPC workloads
Programme scope, delivery arrangements and suitability are confirmed during enquiry.