Re: CPU usage growing z/OS 1.1, tsm 5.1.14
2002-09-04 13:00:54
Could you please mail no: of processors that are in system please.
Balanand Pinni
SBC Services Inc.
Work:314-206-5911
Pager:1-800-451-6897
Email ID :bp3965 AT momail.sbc DOT com
8004516897 AT mobilecomm DOT net e.mail pager
-----Original Message-----
From: MC Matt Cooper (2838) [mailto:Matt.Cooper AT AMGREETINGS DOT COM]
Sent: Wednesday, September 04, 2002 11:13 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: CPU usage growing z/OS 1.1, tsm 5.1.14
Hello all
I am working with z/os 1.1 on a 9672-x57 with TSM 5.1.1.4. Our
capacity planner gave me some CPU usage over time reports that show TSM uses
more and more and more CPU the longer it has a process running. IN
particular, I will refer to my easy to observe and control morning
environment when we are running disk to tape MIGRATIONS, 5 processes.
I was shown the report that with 5.1.1.0 every day the migration would
use 1/4 of a processor between 9 and 10, 1/2 a processor between 10 and 11,
and close to full processor between 11 and 12. We now have 5.1.1.4 in. I
observed the same type behavior, CPU usage increasing over time while work
load (5 migration processes) stays the same. I then stopped the migrations,
waited till all processed cleared out and restarted them. It now seems to
reset itself to using 1/4 of a processor.
Is anyone else out there experiencing anything similar to this now
or in the past?
Matt
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