What OS level is the Peak temporary used?
Did IBM change these screens?
At V7R1, showing Maximum unprotected instead of Peak temporary used.
Maximum unprotected
The largest amount (in millions of bytes) of storage used for
temporary objects at any one time since the last IPL.
Current unprotect used : 54431 M
Maximum unprotect . . : 67877 M
My other concern is the % temp addresses, keeps increasing, IPL has no impact.
% temp addresses . . . . : 21.139
Paul
-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of dlclark@xxxxxxxxxxxxxxxx
Sent: Thursday, November 09, 2017 10:28 AM
To: Midrange Systems Technical Discussion
Subject: Re: Temporary storage movement over a day
"MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxx> wrote on 11/08/2017
10:34:38 PM:
I was wondering if I could get some feedback in relation to the
temporary
storage values on busy systems from the WRKSYSSTS display. Both
current and peak.
I have check about 10 systems and all are under 10000 but none of
these systems are very large or very heavily utilised.
One system though has a figure of 130,640 and looking at a performance
graph this grows through the day and decreases overnight - just seemed
rather high to me but may be normal on a busy system. The system has
3450
active jobs currently.
It is going to vary wildly from shop to shop based on the number of and working set size of long running jobs. About a year ago we replaced the box and disk subsystem and began having performance issues where things would get slower and slower until finally coming to a halt before the end of day. We would have to shut down QINTER and start it back up to get everything going again. IBM later identified a problem with the new disk subsystem so we went back to the same type of subsystem we previously had and the problem went away. But, we are still working on redesigning some of our long running jobs to reduce their working set size
-- by moving modules to separate programs and changing service program binding to *DEFER.
Current temporary used . : 3320 G
Peak temporary used . . : 4693 G
Jobs in system . . . . . : 413256
% system ASP used . . . : 64.4176
Sincerely,
Dave Clark
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