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  • Subject: RE: Starting jobs to read from a data queue
  • From: "Shaw, David" <dshaw@xxxxxxxxxxx>
  • Date: Thu, 8 Jun 2000 13:08:43 -0400

Booth,

Other folks have mentioned running in batch.  However, you need to be
careful of how many of these jobs you have running, simply because if you
run more than your machine can efficiently handle, you'll actually slow it
down by having too many of them running.  I would be surprised if even the
biggest one-cpu machine would handle 14 average batch jobs simultaneously
without thrashing.  On the other hand, a 12 or 24-way system shouldn't have
any trouble at all with 14.  It would probably be worth your while to do
some experimenting on this to find your optimal number, unless you actually
do have a multi-cpu monster.

Dave Shaw
Spartan International, Inc.
Spartanburg, SC

> -----Original Message-----
> From: boothm@earth.Goddard.edu [mailto:boothm@earth.Goddard.edu]
> 
> I have a job that runs 14 hours.  It needs to run in a 
> shorter period of 
> elapsed time.  Lo Raikov told me of a way using RRN and 
> OVRDBF to split 
> the file up and run programs against the overridden file 
> segments (Very 
> neat, Lo, thank you) but would it also be possible to use a 
> feeder program 
> to fill a data queue and then have 14 instances of a program 
> running, each 
> being fed from the data queue?
> 
> I got it all working except How do you start 14 instances of 
> a program? 
> Opening 14 Client Access sessions seems err... nonprofessional.
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