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03331 - Initial load performance.
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Initial load performance.
Make more BDC sessions with fewer transactions each.
It has always been our experience that the data loads run extrememly more
efficiently when you have
350 sessions with 100 items each
vs.
100 sessions with 350 items each
The longer a bdc session runs, the more it begins to degredate (the same holds
true for print routines RSNAST)
Doreen
-----Original Message-----
From: joan.altadillZr... [mailto:joan.altadillZr...]
Sent: Thursday, October 04, 2001 3:41 AM
To: DoNotReply@consolut.eu
Subject: Initial load performance.
Hi All,
This is a performance question: I've a customer that runs SAP
R/3 4.6B ( last patch level ) on an iSeries model 270 ( 2 CPU's,
4GBytes of main storage,... ), I don't know the exact model but it's
rated by IBM with 2000 CPW, aprox. The customer is doing the initial
data load from his legacy system and he says that performance is not
right.
For example, he needs to load about 35000 items in the
material master, and he does with standard batch input tools, we've
mesured an average speed of 8 materials per minute. This implies 3
days to load all materials. Functional consultants in this project
talk about ratios of 30 materials per minute ( comparing with other
implementations in other hardwares, of course ). I don't have
functional experiences to validate this but I think that this
intensive batch jobs are very hardware dependent, of course, the same
load with the 'state of the art' AS/400 will be different.
From a technical view, the system is working properly: very
good paging ratios ( at SAP level and OS/400 level ), and of course a
high CPU load ( 90% to ++++ ) with 3 batch jobs simultaneously (
we've tested the load with just one batch job and load ratios are
practically the same ).
Could someone confirm my opinion ? Any idea to increase
performance ?
Best regards,
Joan Altadill
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