• Subject: Re: Question on how the AS/400 handles "spooling"
  • From: Chuck Lewis <CLEWIS@xxxxxxxxxx>
  • Date: Thu, 14 Jan 1999 20:16:22 -0500

Hi Al,

Why would that be such a knock on the other writers (and we don't have a TON of
writers; less than 20...)

Also you say "front to back" - not sure I follow you... Sorry

Chuck

"Al Barsa, Jr." wrote:

> At 01:59 PM 1/14/99 -0500, you wrote:
> >Hi Folks,
> >
> >Had a strange one here yesterday. We have an HP 5si attached to the
> >AS/400 via MPI's "Blue Kit". The system see this printer as an IPDS
> >printer (type) and were are using AFP. It was printing 2,383 invoices on
> >a custom printed form and ran out of paper at page 1901. Some well
> >meaning sole placed plain paper in the printer and it took off and
> >finished the rest of the run on plain stock paper... The spool file goes
> >to save so I restarted it at page 1901 and it took FOREVER to do
> >anything (part of this has to do with MPI and I am working on this with
> >them) and while this was going on it CREAMED our other printers. A
> >printer would ask for form type or get alignment or end of forms
> >messages and take 5 or 10 minutes to do anything. There were INCREDIBLE
> >pauses between each spool file printed on these other printers. The
> >system was NEVER over 20 % CPU and that was the peak. The writer for the
> >5si did show towards the top of the list but with less than 4% CPU.
> >Interactive and batch response were GREAT.
> >
> >Hope that's enough background - NOW my question...
> >
> >WHAT was going on with spooling ?
>
> The system was processing (bypassing) the first 1901 pages.
> >
> >HOW is this handled on the system ?
>
> It reads the spooled file from the front to the back.
> >
> Al
>
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>
> Al Barsa, Jr. - Account for Midrange-L
> Barsa Consulting, LLC.
> 400 > 390
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