Re: Reducing Batch Job Run Time

[ken shields <kjs@xxxxxxxxxxx>]

It will also bring up the subject of file contention, sharing,
and possible job cancellations.
Some jobs are designed to run in single thread.
Ken

Jim Langston wrote:
>
> The thing I would do would be to submit each of the 10 different
> programs at one time.  If you have a single threaded job queue,
> that won't help you, so you may want to create or modify a job
> queue to allow more than one job to run at a time.
>
> SBMJOB CMD(CALL PGM(MYLIB/MYPGM1)) JOBQ(MULTIJOB)
> SBMJOB CMD(CALL PGM(MYLIB/MYPGM2)) JOBQ(MULTIJOB)
> SBMJOB CMD(CALL PGM(MYLIB/MYPGM3)) JOBQ(MULTIJOB)
> .
> .
> .
>
> That would allow them to run all at once, and you may get an
> exceptional increase in the total process time (1/10th the time
> or 24 minutes) or next to no saving at all, depending on what
> is taking the jobs so long to run (is it CPU time, DASD wait
> time, etc...)
>
> Regards,
>
> Jim Langston
> Programmer/Analyst
> Cels Enterprises, Inc.
>
> -----Original Message-----
> From: rpg400-l-admin@midrange.com [mailto:rpg400-l-admin@midrange.com]On
> Behalf Of Ray Nainy
> Sent: Thursday, September 06, 2001 12:37 PM
> To: RPG400-L@midrange.com
> Subject: Reducing Batch Job Run Time
>
> Hi all,
>
> What are the best options available to reduce the batch job run time?
> We have a daily batch job which runs about 4 hours, and which calls 10
> different programs. All these programs are independent of each other and can
> be called in any sequence. Looking for best options to reduce the batch job
> run time.
>
> thanks in advance.
>
> Ray
>
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--
Best Regards
Ken Shields
Home phone: 905 404-2062
Bus  phone  905 725-1144 (326)