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From "Mika Goeckel" <mika.goec...@gmx.de>
Subject Re: When to switch from tomcat to commercial, if ever...
Date Tue, 15 Jan 2002 12:00:42 GMT
Hi!

Yes, I think you should carefully monitor response times and system load.
The number of users is not a metric on it's own right as its impact heavily
relies on the application itself.
If you want to improve, the first thing to look at is the application, not
the servlet-container. For example are there static pages that you could
move up to the apache tier. Are there dynamic pages that are not so dynamic
as you think in the first place? (For example something like "There are 2014
users registered with this service". Do you need this to be resolved in real
time or would it be sufficient to update this every hour or even once a day?
Such things often appear on the home page of an application and no user has
really more benefit if he knows the most accurate figure)
Commercial application servers may be faster and more reliable than tomcat
is, but I would doubt that the difference is paramount. My experience with a
leading EJB application server is, that it does not outperform tomcat
overall.

Mika

(My application serves more than 300k users with >800k user sessions / month
on a single E420)

----- Original Message -----
From: "Matt Egyhazy" <mwe7w@virginia.edu>
To: "Tomcat Users List" <tomcat-user@jakarta.apache.org>
Sent: Tuesday, January 15, 2002 1:14 AM
Subject: Re: When to switch from tomcat to commercial, if ever...


> estimate future load and do load testing based on that.  if tomcat doesnt
> look like it can handle it, test some other jsp/servlet servers.  dont
> change what you have if it works.
>
> matt
>
>
> ----- Original Message -----
> From: "Brandon Cruz" <bcruz@norvax.com>
> To: "Tomcat Users List" <tomcat-user@jakarta.apache.org>
> Sent: Monday, January 14, 2002 6:07 PM
> Subject: When to switch from tomcat to commercial, if ever...
>
>
> >
> > If you are using tomcat and think that you are running a fairly large
> > application for a large amount of users, can you please let me know?  I
am
> > using tomcat 3.2.4 with apache and a mysql database right now for about
> 2000
> > users with few problems to date (not counting installation and
> > configuration).  Everyone is telling me that I am crazy for using this
> > configuration.  Does anyone out there have any positive experience using
> > Tomcat for a large production system?  Are there any tips I should be
> aware
> > of?  Should I upgrade tomcat, change servlet containers entirely,
> anything?
> >
> > Thanks for any input!
> >
> >
> > Brandon
> >
> >
> > --
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