>...and both run in the base pool.

any dynamic pool adjustment? syval qpfradj ? (on "A" and not "B")
any file contention or sharing on sys "B".


----- Original Message -----
From: <NigsRpgId@aol.com>
To: <midrange-l@midrange.com>
Sent: Tuesday, January 15, 2002 10:55 AM
Subject: more processors = increased runtime ?

> --
> [ Picked text/plain from multipart/alternative ]
> Hi,  I have a situation where a particular part of an overnight process is
> taking much longer to run on a more powerful system, and wondered if
> might offer any suggestions as to why this may happen.  The remaining
> of the process are running more or less the same length of time, or
> better.
> For one program that is called within the process, the elapsed run time is
> 1.5hrs on System A whereas it is 8.0 hrs on System B.
> In both cases the job is run overnight when there is not much other
> on the system. The job has been run several times with the same results,
> each system.
> System A is a 4-way system, system B is a 12-way system. Both are on the
> version of OS/400 with the same CUM PTF's applied. The subsystem
> should be similar and both run in the base pool.
> I am waiting to hear if SMP is installed on either/both (DB2 Symmetric
> multiprocessing), but since it is an RPGLE program, I don't think this
> make a difference anyway.
> The program is performing input-primary processing on a join logical based
> three physical files. There is one format in the join logical. There are
> million records in each of two of the joined files, and around 100,000 in
> other. The data has been restored from one system to the other so it is
> identical.
> Any ideas ??
> Thanks in advance!
> Nigel
> _______________________________________________
> This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing
> To post a message email: MIDRANGE-L@midrange.com
> To subscribe, unsubscribe, or change list options,
> visit: http://lists.midrange.com/cgi-bin/listinfo/midrange-l
> or email: MIDRANGE-L-request@midrange.com
> Before posting, please take a moment to review the archives
> at http://archive.midrange.com/midrange-l.

As an Amazon Associate we earn from qualifying purchases.

This thread ...


Follow On AppleNews
Return to Archive home page | Return to MIDRANGE.COM home page

This mailing list archive is Copyright 1997-2022 by midrange.com and David Gibbs as a compilation work. Use of the archive is restricted to research of a business or technical nature. Any other uses are prohibited. Full details are available on our policy page. If you have questions about this, please contact [javascript protected email address].

Operating expenses for this site are earned using the Amazon Associate program and Google Adsense.