Stream: Virtual Room 5
Time: 15:00 - 15:45
It’s 9:03 AM, do you know how busy your mainframe is? No points for know how busy it was on average for the 15 minutes starting at 9:00! Your 15-minute performance intervals may be sufficient for many use cases, but are likely insufficient for discovering and diagnosing performance problems that last for just a few minutes or less. In this session, Scott Chapman will discuss the SMF 98 and 99 data that lets you see CPU usage on a sub-minute basis as well as the practical utilization of such data.
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Scott Chapman has over three decades of experience in the IBM mainframe environment. Much of this experience has focused on performance, from both the application and systems perspective. He's written COBOL application code and Assembler system exit code. He’s ported Java applications to the mainframe as well as developed unique Java applications. His mainframe responsibilities have spanned application development, performance tuning, capacity planning, software cost management, system tuning, sysplex configuration, WLM configuration, and most other facets of keeping a mainframe environment running effectively. At Enterprise Performance Strategies, Scott has helped customers around the world understand and improve the performance of their z/OS systems. He is one of the principal designers and developers of the Pivotor performance reporting product. Scott has spoken extensively at user group meetings and was honored to receive the Computer Measurement Group's Mullen award, and also co-authored a CMG best paper. He has also received SHARE’s Best Session Award multiple times and SHARE’s Distinguished Speaker award. Scott is a founding steering committee member of the Central Ohio Mainframe User's Group.
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