Re: BPCS Performance Problems

I will have to disagree with Daniel on his accessment.  Our shop was running
BPCS 6.02
mixed mode on an 510-2143 and performance was terrible.  We worked with our
IBM/
SSA hardware partner and filled out the SSA sizing survey.  The result was a
suggestion
of an S20-2178 or a 640.  Either was configured with 4GB of memory 54GB DASD
(based on our current usage and growth) and the appropriate tape backup
unit.

We installed the new AS/400 in December and performance has been
outstanding.  MRP/
MPS planning reports which ran for 4-4.5 hours now run in 17 minutes.
Inventory Valuation
reports which ran for 2-3 hours now run in 5-7 minutes.  Our users have been
very pleased
with the performance.

The cost of the S20-2178 vs the 640 model was about 100-150k less and had
better performance.
The CPW of the 510-2143 was 77.7 (interactive and batch) and the S20-2178 is
221 interactive
and 759 batch.

BTW we have about 100-120 users.

-----Original Message-----
From: mitchell@nexgensoftware.com <mitchell@nexgensoftware.com>
To: BPCS-L@midrange.com <BPCS-L@midrange.com>
Date: Tuesday, February 16, 1999 5:34 PM
Subject: Re: BPCS Performance Problems


>
>
>
>Dwight,
>
>You wrote:
>
>|We are interested if anyone else has had the problem of receiving an
AS/400
>|mode with about 250 users spread across 6 sites.  The CFINTxx jobs will
>|consume upwards of 80% of the total CPU available and bring response times
>|up to the 7 minute range.  The AS/400 we were sized at originally is an
S20
>|model 2177 with 1GB of ram.  We are now being told be SSA that we need an
>|S20 model 2178 with 2.5 GB of ram.  Needless to say management is not
>|pleased about the additional $100,000 outlay of cash.  I am concerned
about
>|the new estimate (fool me once shame on you... fool me twice shame on me).
>|Your feedback is welcome.
>|
>|Regards,
>|
>|Dwight Slessman
>|National Electrical Carbon Products, Inc.
>
>Are you serious that SSA has sized you for a "server" AS/400 when you are
>running mixed-mode V6.X???
>
>Mixed-mode BPCS places its workload in the interactive subsystem.  The
server
>series AS/400s are designed NOT to run optimally (the 400 actually,
purposely
>de-tunes itself -- thus your CFINT jobs) with high interactive workloads.
>
>With 250 users, I can't see how anyone would have recommended an
S-anything.
>Although I am not advising you on the proper size machine for your purpose,
you
>will most likely need an interactive box such as a Model 620, 640.  And
yes,
>this will cost you dearly.
>
>Please feel free to call me if you want more details on this
>
>Best of Luck,
>
>Daniel J. Mitchell
>Nexgen
>+1 630 300 6040
>
>
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