If you have CF7, you can do session sharing between the servers... > -----Original Message----- > From: John Paul Ashenfelter [mailto:[EMAIL PROTECTED] > Sent: Wednesday, February 01, 2006 10:48 PM > To: CF-Talk > Subject: Re: Load Balancing issues > > On 2/1/06, Tony Hicks <[EMAIL PROTECTED]> wrote: > > I had an application that worked very well on one server, but growth > required we move to a larger server arrangement with two web servers. > > > > Of course the servers couldn't share memory so session variables no > longer really worked. I implemented client variables and the scope > request.session. > > > > As I understand it.. all that is required for this to work is at the > beginning of the application, I should create request.session scope and > load it with data from the client.session scope via WDDX. > > I've done this -- it can be a performance dog on the individual > server, but it does allow for cheap scaling out with N servers. I'd > honestly think about buying a low-end load-balancer with sticky > sessions and seeing if distributing the load that way helps. But > that's another topic... > > > From that point, I can read client.session with no need for scoping. > > The site works perfectly, except when the load balancer presents a > different server. The user is logged out and loses all session data. > > > > Oh, my application uses "site_storage" (a dsn) as a client store and it > on an SSL connection. (A secure cert for each server). > > > > What am I missing? > > I'd check to make sure that in your <cfapplication> tag that you're > using *domain* cookies (setDomainCookies="true"). Otherwise, the > client cookie is stored for the particular web server (eg > web01.domain.com vs web02.domain.com) > > -- > John Paul Ashenfelter > CTO/Transitionpoint > (blog) http://www.ashenfelter.com > (email) [EMAIL PROTECTED] > >
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