James, thank you very much for this hint. I wasn't aware of this parameter. By the way, I (maybe others on the list too) am very interested in the results of your assessment. Would you mind posting it, once you're done?
Greetings Michael Kastner ----- Original Message ----- From: "James Thornley" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, January 31, 2002 5:50 PM Subject: Re: Tomcat robustness and scalability > Panic over, > > I've discovered the EmbeddedCatalinaServiceSX mbean > which initialises the catalina instance takes a > parameter of MaxProcessors, and if you don't give it > it defaults to 20. > > Sorry for wasting your time > > James Thornley > > --- James Thornley <[EMAIL PROTECTED]> wrote: > > Hi, > > > > I'm doing an assessment for a company to replace > > weblogic with tomcat/jboss. I've managed to get an > > installation using the jboss/tomcat bundle and am > > currently comparing it to the weblogic installaion. > > > > The good news is that (using jmeter), if I fire a > > repetative single requests at both installations the > > tomcat/jboss is as good as weblogic (it's actually > > slightly faster) > > > > If however, I set up 20 threads that fire the same > > request simultaneously, weblogic breezes on (with a > > slightly slower response time), but the Tomcat/Jboss > > installation falls over. This is the error > > > > > > [INFO,EmbeddedCatalinaServiceSX] HttpConnector[8080] > > No processor available, rejecting this connection > > > > > > It does start up 19 new threads, but eventually > > decides it can't start any more, at that point it > > refuses to receive any more connections. > > > > I am using the jboss/tomcat config files and cant > > find > > any references to the maxProcessors parameter, so I > > assume it is set to the default of 75. > > > > The process is running on a solaris box, and > > connecting to Oracle. > > > > I would gratefully accept any comments on this as I > > strongly desire recommending the jboss/tomcat > > installation, but obviously can not do it if it > > compromises the stability of the site. > > > > Cheers > > > > James Thornley > > > > > > __________________________________________________ > > Do You Yahoo!? > > Great stuff seeking new owners in Yahoo! Auctions! > > http://auctions.yahoo.com > > > > > __________________________________________________ > Do You Yahoo!? > Great stuff seeking new owners in Yahoo! Auctions! > http://auctions.yahoo.com > > -- > To unsubscribe: <mailto:[EMAIL PROTECTED]> > For additional commands: <mailto:[EMAIL PROTECTED]> > Troubles with the list: <mailto:[EMAIL PROTECTED]> > -- To unsubscribe: <mailto:[EMAIL PROTECTED]> For additional commands: <mailto:[EMAIL PROTECTED]> Troubles with the list: <mailto:[EMAIL PROTECTED]>
