Re: BPCS 6.1mm performance and the AS/400 - more ord performance

Peter,

In a message dated 2/15/00 4:31:04 PM Eastern Standard Time, 
pgreenfi@ssax.com writes:

<<snip>>
> SSA recommends that you investigate performance problems as they occur by 
> using
>  DBMON.  This will assist you in defining which Logicals are required for 
your
>  implementation.  Creating Logicals suggested by other installations may 
not 
>  work for you, and in some cases can actually impede performance.
<<snip>>

Amen, and amen.  Run STRDBMON (don't forget to run the client side 
interactive if the program you're analyzing offers the option) in *DETAIL 
mode.  Query the DBMON outfile looking for "Access path suggested" = "Y" and 
create the suggested access paths against the indicated files.  I just 
brought access time for 100+ line orders at a 6.1.00 full client installation 
down from 37 minutes to 37 _SECONDS_ using this technique.  PRTSQLINF is only 
as good as the last set of ODP's the program created.  If that last set of 
data was against an order with which you're not having problems, then they 
won't show up.  Be aware that this is an ongoing process and that orders with 
different criteria will require different solutions (e.g., the aforementioned 
client does not currently run "promo's and deals", but PRTSQLINF indicates 
that this may be a problem in the future).

SQL performance tuning, as Peter suggested, must be done on a "per site" 
basis due to the innate "configurability" of BPCS.  Some logicals, though, 
should be _SHIPPING_ with the product at this late date...

Regards!

Dean Asmussen
Enterprise Systems Consulting, Inc.
Fuquay-Varina, NC  USA
E-mail:  DAsmussen@aol.com

"A country is not judged by its' ability to make war, but it's ability to 
maintain peace." -- Gene Roddenberry
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