Thanks Craig. That explains. I think we can afford few more cpu cycles instead of memory. Now is there a way to store collections in the request scope instead of session scope? by collections I mean, collections used to populate <html:select> controls?
ATTA ----- Original Message ----- From: "Craig R. McClanahan" <[EMAIL PROTECTED]> To: "Struts Users Mailing List" <[EMAIL PROTECTED]> Sent: Thursday, October 17, 2002 1:36 PM Subject: Re: Session Cleanup > > > On Thu, 17 Oct 2002, atta ur-rehman wrote: > > > Date: Thu, 17 Oct 2002 13:36:41 -0700 > > From: atta ur-rehman <[EMAIL PROTECTED]> > > Reply-To: Struts Users Mailing List <[EMAIL PROTECTED]> > > To: Struts Users Mailing List <[EMAIL PROTECTED]> > > Subject: Re: Session Cleanup > > > > Thanks, David. Putting commonly used collection in the application scope is > > a nice idea; both for storage space and performance reasons. > > > > Now how do I store my form beans in request instead of session? Is it the > > "scope" attribute of the action mapping that determines it? > > Yes. > > > And what are > > performance implications of this change? > > The set of attributes in the request or session object supplied by the > servlet container is usually a HashMap, so performance of storing the form > bean in either is equivalent. However, your app will benefit from the > fact that the form bean is automatically released at the end of the > request, so the overall memory occupancy of your app will likely be lower, > but the CPU time consumption might be higher (due to increased garbage > collection). > > For most apps, this tradeoff is very much worth it because having excess > CPU capacity is more common than having excess memory to store the form > beans in session scope in between requests. > > > > > Regards, > > > > ATTA > > Craig > > > -- > To unsubscribe, e-mail: <mailto:struts-user-unsubscribe@;jakarta.apache.org> > For additional commands, e-mail: <mailto:struts-user-help@;jakarta.apache.org> > > > -- To unsubscribe, e-mail: <mailto:struts-user-unsubscribe@;jakarta.apache.org> For additional commands, e-mail: <mailto:struts-user-help@;jakarta.apache.org>