Re: fact or fiction?

2011-03-23 Thread Brian Westerman
Based on results from several conversions from 1.9 to 1.11 I have seen that the overhead has decreased between 5% and 7%. This is an average of all types of workloads, but the biggest gains are at sites with more OLTP going on. If you need more details, feel free to contact me offline. Brian

Re: fact or fiction?

2011-03-22 Thread Scott Chapman
Will upgrading to z/OS 1.11 from 1.9 add more utilization to the CPU? IF so, how much? We are two LPARs...one test and one production. SoftCap attempts to estimate the impact of such changes based on teh current and future software level and the machine you're running on. I would of course

Re: fact or fiction?

2011-03-22 Thread John Eells
John Norgauer wrote: Will upgrading to z/OS 1.11 from 1.9 add more utilization to the CPU? IF so, how much? We are two LPARs...one test and one production. I would expect z/OS overhead across those two releases to be less (on the order of 7-10% less), not more, but your mileage will vary

Re: fact or fiction?

2011-03-22 Thread Steve Conway
From: John Norgauer john.norga...@ucdmc.ucdavis.edu To: IBM-MAIN@bama.ua.edu Date: 03/21/2011 02:28 PM Subject: fact or fiction? Sent by: IBM Mainframe Discussion List IBM-MAIN@bama.ua.edu Will upgrading to z/OS 1.11 from 1.9 add more utilization to the CPU? IF so, how much? We are two LPARs

fact or fiction?

2011-03-21 Thread John Norgauer
Will upgrading to z/OS 1.11 from 1.9 add more utilization to the CPU? We are two LPARs...one test and one production. John Norgauer Senior Systems Programmer Mainframe Technical Support Services University of California Davis Medical Center 2315 Stockton Blvd ASB 1300 Sacramento, Ca 95817

fact or fiction?

2011-03-21 Thread John Norgauer
Will upgrading to z/OS 1.11 from 1.9 add more utilization to the CPU? IF so, how much? We are two LPARs...one test and one production. John Norgauer Senior Systems Programmer Mainframe Technical Support Services University of California Davis Medical Center 2315 Stockton Blvd ASB 1300

Re: fact or fiction?

2011-03-21 Thread Ted MacNEIL
Will upgrading to z/OS 1.11 from 1.9 add more utilization to the CPU? IF so, how much? We are two LPARs...one test and one production. IBM (Canada) used to promise that CPU usage would not go up (and, maybe would go down) if you did not exploit any new function when you upgraded products. But,