Audience
System programmers responsible for the performance of a large-scale IMS DB/DC system.
Prerequisites
You should have:
- IMS Transaction Manager experience
- Data Communications experience
Duration
3 days.
Course Objectives
This course teaches a methodology to tune a large-scale z/OS IMS/TM data communication system. Specifically, this course explains the impact of user-specified options on IMS performance, how to determine performance bottlenecks by interpreting information from certain performance reports, and how to implement a plan to improve the performance of an IMS system.
Course objectives include:
- Create and implement a performance improvement plan based on the methodology presented
- Discuss the performance options available to the IMS user
- Describe the performance impact of the IMS storage pools and data sets and their interrelationships
- Interpret the information contained in performance reports
- Analyze the performance reports to determine performance bottlenecks in the IMS system
Course Content
Unit 1: Monitoring and Tuning Overview
Unit 2: IMS Structure and Major Control Blocks
Unit 3: The IMS Logger and Pool Management
Unit 4: IMS Communication Component
Unit 5: IMS OTMA Communication Component
Unit 6: z/OS Considerations for IMS
Unit 7: IMS Scheduling
Unit 8: IMS Program Loading Options
Unit 9 : IMS Program Elapsed Time
Unit 10: IMS Database Buffering