On Thu, 14 Nov 2002, Turner, John wrote:
> Date: Thu, 14 Nov 2002 08:27:56 -0500 > From: "Turner, John" <[EMAIL PROTECTED]> > Reply-To: Tomcat Users List <[EMAIL PROTECTED]> > To: 'Tomcat Users List' <[EMAIL PROTECTED]> > Subject: RE: how many tomcat in a machine? > > > A key problem to using a single Tomcat instance with multiple web > applications is that a problem with Tomcat or a problem with one single web > app effects all the others. In a shared server environment (application > service provider, for example) you would be better off having multiple > instances of Tomcat so that you can manage each instance separately without > effecting the others. > The other side of the coin is that sharing a single Tomcat instance saves a ***lot*** of memory, because the "system classes" are shared. You can mitigate most, but not all, of the impacts apps can have on each other by using a security manager that is appropriately configured. Glenn Nielsen (a Tomcat developer) has posted quite a few helpful documents to TOMCAT-USER on how to set this up -- see the mailing list archives for details. And, if you're coming to Las Vegas for ApacheCon next week, his session on how to do this is a "must attend" for anyone contemplating setting up this sort of thing. > John Craig -- To unsubscribe, e-mail: <mailto:tomcat-user-unsubscribe@;jakarta.apache.org> For additional commands, e-mail: <mailto:tomcat-user-help@;jakarta.apache.org>
