Re: WebSphere on NT vs. AS/400

> Some real numbers using WebSphere 3.5.5 Standard Edition on a little model
> 270 (with 370CPW):
>
> 1. Stopping a web application takes 3-5 seconds
> 2. Starting a web application takes 10-25 seconds
> 3. Ending QEJBSBS takes 15 seconds
> 4. Starting QEJBSBS takes 70 seconds


On our little 270 with V5R1 WAS 3.5.4 the numbers are almost the same as
those listed above. When we were on V4R5 WAS 3.5.2, the numbers were at
least 10 times bigger.

Bruce

----- Original Message -----
From: "Joe Pluta" <joepluta@PlutaBrothers.com>
To: <java400-l@midrange.com>
Sent: Tuesday, May 14, 2002 6:22 AM
Subject: RE: WebSphere on NT vs. AS/400


> > From: Mark Phippard
> >
> > While I personally prefer to run WebSpere on an AS/400 because I think
it
> > is easier to manage it, running it on a Windows 2000 or Linux server
> > yields excellent performance.  I guess if you had a slow or congested
> > network that might not be the case, but generally I think you get great
> > results from the Toolbox JDBC driver.
>
> Some real numbers using WebSphere 3.5.5 Standard Edition on a little model
> 270 (with 370CPW):
>
> 1. Stopping a web application takes 3-5 seconds
> 2. Starting a web application takes 10-25 seconds
> 3. Ending QEJBSBS takes 15 seconds
> 4. Starting QEJBSBS takes 70 seconds
>
> Given the fact that the AS/400 is so stable, and that WebSphere runs so
fast
> and so reliably on the AS/400, it's difficult for me to justify an NT or
> Linux front end.  The tradeoff is usually security vs. performance; if you
> have any sort of non-trivial application, adding the overhead of all the
> TCP/IP traffic between the two boxes could be immense.  So unless you have
a
> requirement of having your Web application server in the demilitarized
zone
> of your network, I wouldn't advise breaking out the server.
>
> I don't know if Mark has done any real performance testing, but I don't
> think you're going to get the same 50 millisecond response time that I get
> on my model 270 if you have to go through an NT box and then call a
program
> on the AS/400.  That's my opinion, but it seems to make a lot of common
> sense.
>
> Joe
>
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