I hear that overly aggressive WLM goal settings can do this. Look for high importance workloads not meeting their goals because the goals are not achievable. I believe that WLM will hold back recourses in an effort to 'push' these workloads towards their goals.
-----Original Message----- From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Pawel Leszczynski Sent: Tuesday, March 16, 2010 9:26 AM To: IBM-MAIN@bama.ua.edu Subject: Re: logical swapping in z/os 1.9 Strange - during these delays CEC is not heavily loaded (75%), we have 30% available frames, and these delays are reported in section STORAGE delays (as 100% delays , reason: OUTR 100%) I am not sure (I doubt) it's CPU problem Regards, Pawel On Tue, 16 Mar 2010 09:04:50 -0500, McKown, John <john.mck...@healthmarkets.com> wrote: >I'm no expert, but I am fairly sure that "swapped out and ready to run" is more due to lack of CPU resource, or some sort of WLM problem than a problem due to swapping. > >-- >John McKown >Systems Engineer IV >IT > >Administrative Services Group > >HealthMarkets(r) > >9151 Boulevard 26 * N. Richland Hills * TX 76010 >(817) 255-3225 phone * (817)-961-6183 cell >john.mck...@healthmarkets.com * www.HealthMarkets.com > >Confidentiality Notice: This e-mail message may contain confidential or proprietary information. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message. HealthMarkets(r) is the brand name for products underwritten and issued by the insurance subsidiaries of HealthMarkets, Inc. -The Chesapeake Life Insurance Company(r), Mid-West National Life Insurance Company of TennesseeSM and The MEGA Life and Health Insurance Company.SM > > > >> -----Original Message----- >> From: IBM Mainframe Discussion List >> [mailto:ibm-m...@bama.ua.edu] On Behalf Of Pawel Leszczynski >> Sent: Tuesday, March 16, 2010 9:00 AM >> To: IBM-MAIN@bama.ua.edu >> Subject: logical swapping in z/os 1.9 >> >> Hello everybody, >> >> Recently, when I was looking at RMF monitor III reports >> during End of Day >> processing I have noticed (from time to time) following delays: >> >> Job: WMJPXSR0 Primary delay: Swapped out and ready to run. >> >> Probable cause: Too many jobs/users running. >> Help panels contain more possible causes. >> >> Primary >> Reason : OUTR >> >> My first thought was that we have (central) storage problems, but >> I didn't noticed any paging occuring that time (in fact, we >> had about 50% >> available frames), then I have read, that z/os doesn't use >> physical swapping >> anymore. I noticed, that such situation occurs when >> simultaneusly many jobs >> tries to enter the system. >> Are there any parameters in z/os which can be customized to >> eliminate such >> delays, or it's 'deep system flavour'/normal behaviour and it >> shouldn't be >> touched? >> I tried to read about how SRM adjust MPL but didn't understand it. >> >> Do you have any ideas how two handle such situation? >> >> Regards, >> Pawel Leszczynski >> PKO BP SA >> >> ---------------------------------------------------------------------- >> For IBM-MAIN subscribe / signoff / archive access instructions, >> send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO >> Search the archives at http://bama.ua.edu/archives/ibm-main.html >> >> > >---------------------------------------------------------------------- >For IBM-MAIN subscribe / signoff / archive access instructions, >send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO >Search the archives at http://bama.ua.edu/archives/ibm-main.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html NOTICE: This electronic mail message and any files transmitted with it are intended exclusively for the individual or entity to which it is addressed. The message, together with any attachment, may contain confidential and/or privileged information. Any unauthorized review, use, printing, saving, copying, disclosure or distribution is strictly prohibited. If you have received this message in error, please immediately advise the sender by reply email and delete all copies. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
