> Hi all..
>
> I'm doing work load testing on a webapplication built on javascript,
.JSP:s
> and EJB:s. We've load tested on many different setups and are getting some
> interesting results:
>
> Simulated number of users: 25
> Computer setup: NT4 sp6, 1 GB RAM, Pentium III ~600 MHz
> Tomcat setup: 1 ajp12-worker.. (We need out-of-process workers for
> scalability)
>
> <snip>
> setup1: webserver - apache 1.3.x, jsp - tomcat 3.2b6 (mod_jk.dll)
> setup2: webserver - weblogic, jsp - weblogic (latest versions as of this
> date)
> setup3: webserver - orion, jsp - orion (latest versions as of this date)
> <snip>
>
> setup2 and setup3 are 8 (eight) times faster in our tests (Load Runner).
> Even if we suspected tomcat to be a bit slower, this is truly remarkable..
> We've tried optimizing Tomcat by:
> 1. using ajp13 protocol - failed, we're just getting exceptions from
tomcat
> 2. reloadable=false - of course
> 3. fiddling with JVM memory settings - minor improvements
>
> Any ideas on what's wrong here? This must be a configuration problem. Have
> anyone else found the same results?
We had similar results here.
There is nothing wrong - Orion, I am reasonably sure, is simply a better
product.
The drawback is that it aint free. But it's cheaper than WebSphere, for
example.
Tomcat is the cheapest, and when you pay peanuts....
Miles
