Re: z/OS Tag Sort
- From: betten@xxxxxxxxxx (David Betten)
- Date: 14 Oct 2011 05:48:33 -0700
ICE162I 0 ICEIEXIT CHANGED ONE OR MORE OPTIONS IN EFFECT
Unfortunately we don't display what options were changed.
Also in the ICE132I Options message I saw IEXIT=Y, TEXIT=Y which indicate
both an installation and a termination exit are in use on this system.
Have a nice day,
Dave Betten
DFSORT Development, Performance Lead
IBM Corporation
email: betten@xxxxxxxxxx
1-301-240-3809
DFSORT/MVSontheweb at http://www.ibm.com/storage/dfsort/
IBM Mainframe Discussion List <IBM-MAIN@xxxxxxxxxxx> wrote on 10/14/2011
08:35:35 AM:
[image removed]
Re: z/OS Tag Sort
Elardus Engelbrecht
to:
IBM-MAIN
10/14/2011 08:37 AM
Sent by:
IBM Mainframe Discussion List <IBM-MAIN@xxxxxxxxxxx>
Please respond to IBM Mainframe Discussion List
David Betten <betten@xxxxxxxxxx> wrote:
The Intermediate Merge is the main cause of the high elapsed time.However, in John's case, just increasing DSA is not going to help
because there is an installation exit (ICEIEXIT) controlling the
amount of virtual storage DFSORT can allocate. That exit is
limiting the sort to just 24MB of virtual storage when the optimum
amount would be closer to 200MB.
Interesting. Are there any ICE message(s) showing that an exit is
really in use/called?
Just curious if you don't mind, please.
As for the size of the sort, 336 million records (360GB), I haveseen much larger sorts than that so I know DFSORT can handle it.
We've actually executed sorts with record counts in the billions.
Uhhh, I'm feeling SORTa small... :-D
Groete / Greetings
Elardus Engelbrecht
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