RE: system-wide configuration for system SORT?

I don't think so...

Not with the System i's single level store.

Above the MI there's basically no way to tell the difference between memory and disk.

The subsystem the job is running in, or more specifically, the memory pools used by the subsystem
determine how much memory is available for the job.

Do you actually have a problem you're trying to solve or are you just looking for something you're
used to having on the mainframe?

If the later, quit. <grin> While the System i can provide mainframe class processing, it is not a
mainframe. Actually, I'd consider the System i a step above the mainframe in many respects. Sure the
System i hardware is not up to the same level as the mainframe, but the OS and related software is
another matter. Consider that IBM tends to migrate technology down to the System i from the mainframe
and everybody knows 2.1 is better than 1.0. ;-)

Now, having said all that if you do actually have a problem you are trying to solve, Take a look at
the QPFRADJ system value. It will automatically move unused memory from a subsystem pool to another
that needs it. Also, take a look at the Paging Option set for the subsystems running the jobs using
FMTDTA. A value of *CALC means the system dynamically adjusts the paging characteristics of the pool.

Lastly, if you have actual problem. I suppose you could try TFRJOB/TFRBCHJOB to a specific subsystem
with it's own private pool. However, even then, the private memory pool would be used by all jobs
currently in the specific subsystem. There's simply no way I know of to force i5/OS to give every
instance of a job 4MB of memory pool space.

HTH,
Charles

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Michael Rosinger
Sent: Thursday, November 08, 2007 5:50 AM
To: midrange-l@xxxxxxxxxxxx
Subject: system-wide configuration for system SORT?

List,

Is there a way to configure the system SORT (FMTDTA?)
concerning defaults, etc?

For example, on the mainframe, I have our SORT configured
such that every sort, whether it be in-stream or from a COBOL
program, gets a 4MB dataspace (memory area) for its primary
work area. Only after that space is exhausted does it begin
to use disk for sort-work. I would like to see if there are
options like that supported in FMTDTA. I've been searching
the archives and the iSeries Information Center but can't
find where default settings for SORT can be configured.
Surely there is a way to do this isn't there? TIA

--
Regards,

Michael Rosinger
Systems Programmer / DBA
Computer Credit, Inc.
640 West Fourth Street
Winston-Salem, NC 27101
336-761-1524
m rosinger at cciws dot com


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