|
I think setting the uses to 1 is going ti have an impact on overall
system CPU use. I think initial job startup is one of the more
resource intensive tasks.
-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:
midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Evan Harris
Sent: Tuesday, April 01, 2014 6:29 PM
To: Midrange Systems Technical Discussion
Subject: Re: QZDASOINIT prestart job tuning
Hi Chris
I've changed the initial number of jobs in the past, and seen other
customers do this as well, in order to get the preferred number of
jobs activated as part of starting the subsystem. At one customer it
was set to
3,000 but I bet there are others out there with significantly higher
settings.
I'd set the number of jobs at around 750-800 maybe even a little
higher in your case (say 850), particularly if you are going to change
the maximum number of uses to 1. In that case you would want a job
available for new connections as they connect rather than having them
delayed while a job starts up.
On Wed, Apr 2, 2014 at 11:20 AM, Chris Bipes
<chris.bipes@xxxxxxxxxxxxxxx
wrote:
Has anyone made changes to the QUSRWRK subsystem for the QZDASOINIT
prestart job?
I am looking at the ramification of changes the maximum number of
uses to
1 so they recycle after every connection. Also changing the initial
number of jobs and threshold. Even the additional number of jobs.
We have what I assume is the default:
Job . . . . . . . . . . . . . . . . . . . . . . : QZDASOINIT
Job description . . . . . . . . . . . . . . . . : *USRPRF
Library . . . . . . . . . . . . . . . . . . . :
Start jobs . . . . . . . . . . . . . . . . . . . : *YES
Initial number of jobs . . . . . . . . . . . . . : 1
Threshold . . . . . . . . . . . . . . . . . . . : 1
Additional number of jobs . . . . . . . . . . . : 2
Maximum number of jobs . . . . . . . . . . . . . : *NOMAX
Maximum number of uses . . . . . . . . . . . . . : 200
Wait for job . . . . . . . . . . . . . . . . . . : *YES
We currently have 747 running with a peak of 806 and 746 in use.
Peak usage is 805. Any suggestions on what I should set the values at?
--
Chris Bipes
Director of Information Services
CrossCheck, Inc.
707.665.2100, ext. 1102 - 707.793.5700 FAX
chris.bipes@xxxxxxxxxxxxxxx<mailto:chris.bipes@xxxxxxxxxxxxxxx>
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Regards
Evan Harris
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