Author: Joni Moyer <joni.moyer AT HIGHMARK DOT COM>
Date: Thu, 27 Jan 2005 09:34:26 -0500
Hey! The performance on our TSM server is going down rapidly. It is on os/390 at level 5.2.2.5. I have the following settings: Server Option Option Setting Server Option Option Setting -- -- -- -- Co
Author: "Loon, E.J. van - SPLXM" <Eric-van.Loon AT KLM DOT COM>
Date: Thu, 27 Jan 2005 15:48:37 +0100
Hi Joni! I noticed that your database is quite large (more than 100 Gb.) and you are running with a very small database buffer. I would expect an ever lower cache hit pct! You should use the setopt c
Author: Joe Howell <JHowell AT SHELTERINSURANCE DOT COM>
Date: Thu, 27 Jan 2005 09:23:08 -0600
What's your REGION set to on the startup jcl? We're using 768M, but then we appear to be a smaller implementation than you based on your database size. Joe Howell Shelter Insurance Companies (573)-21
Author: Joni Moyer <joni.moyer AT HIGHMARK DOT COM>
Date: Thu, 27 Jan 2005 10:43:49 -0500
The REGION is set to 512MB within the startup JCL. I didn't know what the max. is for the region size, so I didn't change that. I will have to look into increasing that as well. Thanks! ** Joni Moyer
I'm using region=896m, you might want to check with your performance group to see if you have enough storage to run this high. Joni Moyer <joni.moyer AT HIGHMARK DOT COM> Sent by: "ADSM: Dist Stor Ma
Author: John Naylor <John.Naylor AT SCOTTISH-SOUTHERN.CO DOT UK>
Date: Thu, 27 Jan 2005 16:00:13 +0000
Joni, Your bufferpool size is set higher than your region size, I did not know you could do that I would certainly look at increasing your region size, but you need to check how much real memory is a
Author: Joni Moyer <joni.moyer AT HIGHMARK DOT COM>
Date: Thu, 27 Jan 2005 10:31:22 -0500
Hi Eric, Thank you so much! It has drastically improved performance! I was just wondering if you would happen to know about the show memu S command and if MaxQuickFree is supposed to be greater than
Author: Joni Moyer <joni.moyer AT HIGHMARK DOT COM>
Date: Thu, 27 Jan 2005 11:20:21 -0500
Hi John! I was just wondering how my bufpoolsize> region size? My region size is 512MB and my bufpoolsize is 270336KB which equals out to 264MB. Is that an incorrect statement? I'm still trying to fi
Author: "Loon, E.J. van - SPLXM" <Eric-van.Loon AT KLM DOT COM>
Date: Thu, 27 Jan 2005 17:26:15 +0100
Hi Joni! Sorry, I can't help you with that one. It has been 10 years since we ran ADSM 2.1 on MVS, so I have no experience with z/OS. Kindest regards, Eric van Loon KLM Royal Dutch Airlines Hi Eric,
Author: John Naylor <John.Naylor AT SCOTTISH-SOUTHERN.CO DOT UK>
Date: Fri, 28 Jan 2005 09:40:35 +0000
an my in Sorry Joni I am used to thinking of buffer pool in 4 kb pages, so I stupidly took your query opt value x 4 By the way according to your opt the value is 134 mb not 268 mb. Anyway having said