RE: Taking more time

They run in different times in the night,PPMAIN runs
just before FMAIN(Final run).
This is consistently happening everyday.
"Are the i/o files in the same ASP when the two jobs
run?" I think it is Yes.How do I check this?




--- Jeff Bull <Jeff.Bull@xxxxxxxxxxxxxxx> wrote:
> Are the i/o files in the same ASP when the two jobs
> run?
> Are the jobs being run at a different time of
> day/night?
> Have you checked the jobs CPU times (the millisecond
> value in DSPJOB, run
> attributes) - are these similar.
> On the bottom line, you need to capture performance
> data while the jobs are
> running, then analyse that.
> If, as you say, the i/o files are comparable in
> size, the program processing
> them identical then it's ...
>    a) environmental - as you suggested, perhaps
> journalling or commitment
> control
>    b) data contention - perhaps the data is shared
> in one job (locks) and
> exclusive in the other
>    c) hardware contention - other apps are hogging
> memory, flooding disk
> with i/o's
>    d) data content - while the i/o files sizes may
> be comparable,
> conditional processing is a possibility
>    e) ... I dare say a brain-storming session could
> come up with a dozen
> more, but this may stimulate a few more lines of
> investigation.
> 
> Good luck
> 
> Kind regards,
> 
> Jeffrey E. Bull
> OS400 Software Support Consultant
> 
> IBM Certified Systems Expert, iSeries Technical
> Solutions
> IBM Certified Systems Specialist, AS/400 System
> Administration
> 
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> 
> -----Original Message-----
> From: murali dhar [mailto:hydchap1@xxxxxxxxx]
> Sent: 04 May 2004 10:51
> To: Midrange Systems Technical Discussion
> Subject: Taking more time
> 
> 
> Hai!!!
> I have a CL program (YQRR10C) with almost identical
> size of the input files and output files while
> running
> in one library YQS36PP(PPMAIN) takes longer time
> than
> while running in another library QS36F (FMAIN-Final
> Batch Run).
> 
> The only thing I can think of is we might stop
> Journaling/DataMirror during FMAIN but not PPMAIN. 
> But YQS36PP library does not do any of them. 
> 
> Any ideas why is it so?
> 
> 
>       
>               
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