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Managing CPU-Intensive Work on Uniprocessor LPARs



Document Author:

Kathy Walsh


Document ID:

WP100925


Doc. Organization:

Advanced Technical Sales


Document Revised:

12/15/2006


Product(s) covered:

IBM eServer zSeries; IBM System z; z9-109; z9 BC; z9 EC; zSeries 800; zSeries 890; zSeries 900; zSeries 990; zSeries; z/OS







Abstract: The focus of this paper is managing work on a uniprocessor system including the impact of looping or CPU-intensive tasks. The topics covered are:
- Changes in the ready dispatcher to help SRM run work more efficiently in general
- WLM policy and MVS settings to help manage this environment
- Managing CPU-intensive work - application and system type
- z/OS functions which override WLM assigned dispatching priorities

ManagingUniprocessors.pdf



Classification:

Hardware; Software

Category:

Performance




Platform(s):

IBM System z Family

S/W Pillar(s):

IBM System z Software

O/S:

z/OS

Keywords:

uniprocessor, looping program, CPU-intensive, WLM

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