>...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". jim ----- Original Message ----- From: <NigsRpgId@aol.com> To: <email@example.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 anyone > might offer any suggestions as to why this may happen. The remaining parts > of the process are running more or less the same length of time, or slightly > 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 activity > on the system. The job has been run several times with the same results, on > each system. > > System A is a 4-way system, system B is a 12-way system. Both are on the same > version of OS/400 with the same CUM PTF's applied. The subsystem descriptions > 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 will > make a difference anyway. > > The program is performing input-primary processing on a join logical based on > three physical files. There is one format in the join logical. There are 11 > million records in each of two of the joined files, and around 100,000 in the > 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 list > 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-Lfirstname.lastname@example.org > Before posting, please take a moment to review the archives > at http://archive.midrange.com/midrange-l. > >
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