Tell your peers to vent some of that gas if they are basing their "rumblings" on data that's 2 years old. :)
John > -----Original Message----- > From: Anecito, Anthony (HQP) [mailto:[EMAIL PROTECTED]] > Sent: Thursday, February 06, 2003 1:27 PM > To: 'Shapira, Yoav'; Tomcat Users List > Subject: RE: Tomcat Performance Concerns > > > Hi Shapira, > > Many thanks for the reply. I agree with your list below but > am looking for > some simple benchmarks to start with. Also, a previous > response to this > posting by John Turner indicated a tuning book that may > resolve some of the > concerns by my peers about performance and I look forward to > reading the > book and trying some of its suggestions myself. > > Again, I am not trying cause a "Holy War" but just looking > for some help. I > really do believe in what is being done by Jakarta group but > want to quell > some rumblings by my peers. > > Many Thanks, > Tony > > -----Original Message----- > From: Shapira, Yoav [mailto:[EMAIL PROTECTED]] > Sent: Thursday, February 06, 2003 10:09 AM > To: Tomcat Users List > Subject: RE: Tomcat Performance Concerns > > > Howdy, > > >Tomcat performance and a reference to some benchmarks. The benchmarks > were > >done in 2001 and are out of date > > Very out of date. Referring to a previous (3.x) generation of Tomcat, > which is much slower than the current (4.1.x) implementation. > > I haven't used Orion, but looking at their front page > (http://www.orionserver.com/) I see a couple of things > relevant to this > discussion: > > - Current release of Orion is a full J2EE server. Tomcat isn't and > doesn't try to be. > - Current release of Orion supports the Servlet 2.2 (and the "Public > Draft") of Servlet 2.3 standards. That is too funny to even > comment on. > - Current release of Orion is $1500 per physical server for commercial > use. Not Weblogic-level pricing at least ;) > > Their benchmark page > (http://www.orionserver.com/benchmarks/benchmark.html) > Claims "One of the main goals for the Orion Application > Server has been > to outperform everything else on the market". Very nice goal. Why > haven't they bothered to update their benchmarks in a long time? > > >but even today I still hear of concerns > >regarding Tomcat performance and even my peers are saying it is a > >"reference > >implementation only". > > Your peers are not up to date on this particular question. > Tomcat is a > reference implementation in the sense that it strives to implement the > servlet and JSP specifications as closely and strictly as possible. > However, it adds many features above and beyond the > specification. And > being a "reference implementation" does not necessarily mean a slow > implementation. > > Like the Orion benchmark page says, and the several > discussions per year > we have on this list all conclude, it comes down to: > - Establishing the required performance level for your application > - Creating stress tests to simulate real stress > - Running the stress tests with your application on various containers > - Tweaking / tuning whatever possible > - Repeat until satisfied. > > Personally, and I can't share the actual numbers due to legal > restrictions in my company, we've benchmarked our app with extensive > tuning on Orion, Resin, and Jetty and found Tomcat to be superior. > > Yoav Shapira > Millennium ChemInformatics > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
