[NTLUG:Discuss] Linux software/hardware Server based questions

[Neil Aggarwal]

Carlo:

You can also look into the Resin engine at
http://www.caucho.com/products/resin/index.xtp

According to the web site, it is a very fast JSP and servlet engine.
I have not tried it but I am going to soon.

	Neil.

--
Neil Aggarwal
JAMM Consulting, Inc.    (972) 612-6056, http://www.JAMMConsulting.com
Custom Internet Development    Ecommerce, Java, JSP, servlets, databases


> -----Original Message-----
> From: discuss-admin at ntlug.org [mailto:discuss-admin at ntlug.org]On Behalf
> Of Steve Baker
> Sent: Wednesday, August 08, 2001 9:00 PM
> To: discuss at ntlug.org
> Subject: Re: [NTLUG:Discuss] Linux software/hardware Server based
> questions
> 
> 
> Carlo Pellegrini wrote:
> > 
> > Hello,
> > I am new to Linux and I have some questions about
> > using Linux for a project in development. The project
> > involves using server-side Java(JSP/servlets) to
> > create charts(png images)dynamically. We use classes
> > from Sitraka Jclass ServerChart. What we have observed
> > so far in our beta testing is that the creation of
> > these images consumes significant server resources(CPU
> > and RAM) through the Java Virtual Machine processing.
> 
> If you were to rewrite your code in a compiled language
> (C or C++ would be obvious candidates), you should find
> the workload drops by a factor of at least 10 to 20 - in
> some cases as much as 50...depending on how much of the
> work is being done by library functions and how much in actual
> Java code.
> 
> How many lines of Java code is there in the program?
> 
> Maybe you don't have to replace it all - perhaps just recoding
> the inner loops in C/C++ would suffice.
> 
> That may not be a very cheap solution for just one or two
> servers - but if there are lots of them, it's worth the
> one-time cost to rewrite the code in a more efficient
> language.
> 
> Upgrading your hardware would certainly speed things up - but
> not as much as this I think.
> 
> Do you have a feel for whether a factor of two or three speedup
> is "enough" ?
> 
> ----------------------------- Steve Baker -------------------------------
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