Win2000 Server and RAM

John

I talked with tech support. I think it was Dave... he told me every
10000 buffers is roughly equal to about 43 meg of memory. He said that
you should start off with using about 1/3 of your memory for buffer
space, then increase (in increments of 10000) until performance drops
off. He said that you will reach a "plateau", and then performance will
drop off like a "cliff". I got conflicting reports about exactly how
much is the max that progress will use... one tech said that the max
Progress will use is 256 meg, while Dave said the max Progress will use
is 512 Meg.
You need to set the buffers, then let things settle for a few days.
Measurement was difficult. I measured things like how long it took to
pull up a customer in customer tracker who had no invoices or no
invoices in a long time, time to run some long reports... etc. I also
monitored things like "pages-per-sec", and CPU utilization, and found
that when I put the buffers too high, the CPU utilization peged out, and
buffers too low, then "pages-per-second" peged out! Not exactly a
science.

Epicor has a performance tuning document! I also found some
performance tuning (more detailed) on Progress's site.


Britt Moelling
M&M Manufacturing Co.

jkoppes@... wrote:

>
>
> Britt-
>
> I am interested in the testing process you undertook. What
> increment
> did you increase the buffers and what did you run for the test and how
> did
> you measure performance? I am in the process of spec-ing a new server
> for
> Vantage only use and have 1 GIG set aside for it. Would like to reduce
> the
> cost if I can. Thanks.
>
>
>
> _________________
> John Koppes
> Systems Coordinator
> PRECISION MACHINE AND MANUFACTURING COMPANY
> Address: PO Box 157
> Story City, Iowa 50248
> Phone: (515) 733-5181 Ext. 256
> Fax: (515) 733-4220
>
>
>
>
> >You tell progress how much memory to use in the number of buffers you
>
> >allocate.(-B)
> >Epicor told me that you just have to "try" different buffer sizes,
> and
> >check performance, since each server is different. Too much memory,
> can
> >cause the CPU to become over burdened and adversly affect
> performance.
> >Too little memory allocated will cause the buffers to be flushed too
> >often. In our case, more memory (we have 768 meg) would not do us
> any
> >good, since we are only using about 300meg for buffering. I did tests
>
> >with higher buffer settings, and performance went down.
>
>
>
>
>
>
>
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Britt Moelling
M&M Manufacturing Co.



[Non-text portions of this message have been removed]
Does anyone have information regarding how Win2000 server addresses the use
of RAM. In particular with Progress/eMfg. We are buying a new server and how
much RAM has become a topic of discussion. Our prior servers had 1 GB of RAM
and I don't want to buy more than that if the OS will not use it to it's
advantage.
You tell progress how much memory to use in the number of buffers you
allocate.(-B)
Epicor told me that you just have to "try" different buffer sizes, and
check performance, since each server is different. Too much memory, can
cause the CPU to become over burdened and adversly affect performance.
Too little memory allocated will cause the buffers to be flushed too
often. In our case, more memory (we have 768 meg) would not do us any
good, since we are only using about 300meg for buffering. I did tests
with higher buffer settings, and performance went down.



"Keith . Mailloux" wrote:

> Does anyone have information regarding how Win2000 server addresses
> the use
> of RAM. In particular with Progress/eMfg. We are buying a new server
> and how
> much RAM has become a topic of discussion. Our prior servers had 1 GB
> of RAM
> and I don't want to buy more than that if the OS will not use it to
> it's
> advantage.
>
>
>
> Yahoo! Groups Sponsor
[Lose 20 lbs by July 9th!]
Lose 20 lbs by July 9th!

>
> To access the Files Section of our Yahoo!Group for Report Builder and
> Crystal Reports and other 'goodies', please go to:
> http://groups.yahoo.com/group/vantage/files/. Note: You must have
> already linked your email address to a yahoo id to enable access.
>
> Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.

--
Britt Moelling
M&M Manufacturing Co.



[Non-text portions of this message have been removed]
Britt-

I am interested in the testing process you undertook. What increment
did you increase the buffers and what did you run for the test and how did
you measure performance? I am in the process of spec-ing a new server for
Vantage only use and have 1 GIG set aside for it. Would like to reduce the
cost if I can. Thanks.



_________________
John Koppes
Systems Coordinator
PRECISION MACHINE AND MANUFACTURING COMPANY
Address: PO Box 157
Story City, Iowa 50248
Phone: (515) 733-5181 Ext. 256
Fax: (515) 733-4220




>You tell progress how much memory to use in the number of buffers you
>allocate.(-B)
>Epicor told me that you just have to "try" different buffer sizes, and
>check performance, since each server is different. Too much memory, can
>cause the CPU to become over burdened and adversly affect performance.
>Too little memory allocated will cause the buffers to be flushed too
>often. In our case, more memory (we have 768 meg) would not do us any
>good, since we are only using about 300meg for buffering. I did tests
>with higher buffer settings, and performance went down.







______________________________________________________________________

This document should only be read by those persons to whom it is
addressed and is not intended to be relied upon by any person without
subsequent written confirmation of its contents. Accordingly, PRECISION
MACHINE AND MANUFACTURING COMPANY disclaims all responsibility and accepts
no liability, including in negligence, for the consequences for any person
acting, or refraining from acting, on such information prior to the receipt
by those persons of subsequent written confirmation.

If you have received this E-mail / Fax message in error, please notify
PRECISION MACHINE AND MANUFACTURING COMPANY immediately by telephone.
Please also destroy and delete the message.

Contact:
By Phone: Systems Administrator at (515)-733-5181
By Email: sysadmin@...

Any form of reproduction, dissemination, copying, disclosure,
modification, distribution and/or publication of this E-mail / Fax message
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