Re: [jCharts-users] jchart speed and scalability

[Nathaniel G. A. <nat...@ya...>]

We do not have any benchmarks that I know of.  But, if you would like to donate your information,
that would be great! ;)

I am sure you will want to run your own tests to verify any performance claims.

Scalability can be limited by many things. If you are hitting a database it could be that. It
could be the network. It could be your application.  It could be your hardware. etc...  I am sure
there are benchmarks of the various Servlet Containers out there on the web somewhere.

Try a load testing tool like OpenSTA or even HttpUnit once you get your samples up.




--- dea...@ve... wrote:
> hi folks,
> I just got the jCharts0.7.4 up and running using jboss3.2.1 on both linux
> and solaris boxes (JDK1.4.1_02) using the supplied example WAR package.  I
> am rather new to using java servlets let alone jcharts, but I would like to
> know if there are any benchmarks out there on how fast these charts are
> generated.  For example, let's say we only want to generate a line chart
> (X,Y) with 95 data points using servlets instead of jsp.   Now, excluding
> any startup-time delays due to the java servlet engine, how fast could the
> graph be rendered (e.g in comparison to perl/GD and/or Jfreechart)?  Now,
> how about scalability, let's just say same question except many more users
> accessing different graphs at the same time.  In a multi-processor
> environment, is scalability mostly dependent on the java servlet engine?
> Also, same question but without using servlets or jsp or any java
> application server at all?  I know benchmarks are very difficult to do, but
> I'm just looking for a rough estimate.  I'm going to run some of my own
> testing and benchmarks soon also.  Thank you.
> -dean
> "In God we trust, all others bring data."
> 
> 
> 
> 
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