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Sorry you missed my earlier post Jim....

Yes, the FTP problem on our iSeries seems to be resolved. As Marty had
mentioned, he too had throughput problems on an iSeries that contained both
an Ethernet and Token Ring adapter. His post caused me to disable the Token
Ring on our system and run exclusively on the Ethernet adapter. Once done
the FTP throughput was more reasonable. Not as fast as other platforms
deliver data but fast enough to make the process acceptable.

Unfortunately, this original post of mine did, in fact, result in an
isolated and unique situation. Thus not really able to help the general
iSeries community.

IMHO, it did however stir up emotions showing some of the same narrow
minded opinions of the midrange community.

Ken Slaugh (707) 795-1512 x118
Chouinard & Myhre, Inc.
CA/400 Certified Specialist
iSeries Network/MSE Administrator
http://www.cm-inc.com/


                                                                                
                           
                      "Jim Franz"                                               
                           
                      <franz400@xxxxxxxxxx        To:       "Midrange Systems 
Technical Discussion"        
                      om>                          <midrange-l@xxxxxxxxxxxx>    
                           
                      Sent by:                    cc:                           
                           
                      midrange-l-bounces@x        Subject:  Re: Why is the 
iSeries so slow                 
                      idrange.com                                               
                           
                                                                                
                           
                                                                                
                           
                      08/13/2003 06:11 PM                                       
                           
                      Please respond to                                         
                           
                      Midrange Systems                                          
                           
                      Technical Discussion                                      
                           
                                                                                
                           
                                                                                
                           




I was hoping this thread would lead to more "how to" program/tune for
performance, so the iSeries processes the heavy load more efficiently.
With so many subject areas, so many types of serving, it's been
too much to handle in one thread. We started with slow FTP transmission.
There were some good suggestions. Did we solve the problem?
btw-my own observation is that more often than not the performance issues
over lan/wan are the network itself along with the iSeries line and
interface config.
(my last big performance hunt, with Client Access users timing out turned
out to be an email relay running in the local lan, flooding the network)
after days
of net admin complaining about the iSeries...)
jim
----- Original Message -----
From: "Nathan M. Andelin" <nandelin@xxxxxxxxxxxxxxxxxxx>
To: <midrange-l@xxxxxxxxxxxx>
Sent: Wednesday, August 13, 2003 7:29 PM
Subject: Re: Why is the iSeries so slow


> Buck,
>
> Let me get this straight.  By front-ending the iSeries with a PC,  you
only
> see a 10% performance improvement?  Why add the PC to the configuration?
>
> Actually, I think you're saying that the CPU in the PC is faster than the
> CPU in the 820, which is probably true.  My question is when given a
complex
> Web workload, which would perform better?
>
> Of course, if you were using efficient native iSeries interfaces rather
than
> Java, you'd probably be seeing 500% to 1000% performance improvement ;-)
>
> Nathan M. Andelin
> www.relational-data.com
>
>
> > From: "Buck" <buck.calabro@xxxxxxxxxxxx>
> > I have a web application that's about to get off the
> > ground here, and with the exact same iSeries back
> > end (that's where our OLTP runs, as does Scott's
> > and yours), we get roughly 10% better performance
> > running Tomcat 4.1.24 on a PC than on our 820
> > 24AA.  On the same network.  With the exact same
> > Java servlets.
>
>
>
> _______________________________________________
> This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing
list
> To post a message email: MIDRANGE-L@xxxxxxxxxxxx
> To subscribe, unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo/midrange-l
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> at http://archive.midrange.com/midrange-l.
>
>


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