Why is the CPU Time for a Job so Variable?

Project and Program: MVS, MVS Performance

Tags: Proceedings , 2014 , SHARE in Pittsburgh 2014

You run a job one day and it takes 3 CPU seconds and the next day it takes 5 seconds, and you didn't change anything. What happened? What can you do about it? Your billing and accounting is "screwed" up. The outsourcers and their customers are screaming at one another. What's going on?
Cheryl Watson and Frank Kyne, who have been watching this problem grow exponentially, have some answers as to what has happened and what you can do about it.
A good introduction to this session is the free SHARE webinar from Cheryl on "The Many CPU Fields of SMF".-Cheryl Watson-Watson & Walker, Inc.; Frank Kyne-Watson & Walker, Inc.

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