Thank you, Massimo - that solved the problem. 'Resource Group' is something I've never used before - my WLM expertise stopped developing about 15 years ago & ISTR the concept just didn't exist back then.
Regards Sean On Mon, 24 Aug 2020 at 09:22, Massimo Biancucci <[email protected]> wrote: > Sean, > > AFAIK WLM runs and manages continuously the workload setting DP as needed > (if there's no CPU contention ... so no problems). > > Its main task is to make all the AS as fast as they can. > > If there's available CPU for everybody every AS will take as much as it > can. > > If you want a single (or group of) AS to be limited you can use a capping > based on a Resource Group (WLM menu option 3) to set a maximum of MSUs > available for that group. > You have to use a classification to assign the AS to that RG too. > > Hope this helps. > Best regards. > Max > > < > https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail > > > Mail > priva di virus. www.avast.com > < > https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail > > > <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> > > Il giorno lun 24 ago 2020 alle ore 10:10 Sean Gleann < > [email protected]> > ha scritto: > > > Is there a way to force a maximum CPU% utilisation for a specific task? > > > > Please correct me if I'm wrong here, but it is my understanding that WLM > > only really starts 'doing it's stuff' when the system as a whole is > heavily > > loaded. > > For example: > > - If my system is running at 80%, and a new incoming task wants 50% CPU, > > then it is allowed to run, but it only gets a maximum of 20% (obviously), > > and WLM starts switching task dispatch priorities around to try and > > maintain the service levels defined in the policy. > > - On the other hand, if the system is only 20% busy and the 50%-usage > task > > comes along, then it is allowed to run and WLM just lets it happen > > > > What I want to do is to limit specific tasks to a maximum CPU% value no > > matter what the overall loading is. > > > > Regards > > Sean > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO IBM-MAIN > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
