I think MM uses a setup similar to what I've built any deployed in the
past, involving hardware load balancers using what are called "sticky"
sessions, sticking a user to a specific server for the extent of their
session.  If the server fails, those poor saps have to restart their
sessions on another box...

-Joe



On Wed, 26 Jan 2005 11:36:49 -0800, Tyler Fitch <[EMAIL PROTECTED]> wrote:
> The CFCs that are presisted in the server scope do not manage any user
> specific information.  The CFCs manage information that is the same
> across all CF Server instances.
> 
> That is how CFCs are able to be stored in the server scope in a clustered app.
> 
> HTH,
> 
> t
> 
> On Wed, 26 Jan 2005 20:25:30 +0100, Micha Schopman
> <[EMAIL PROTECTED]> wrote:
> > Sean Corfield posted a link on his blog to a Macromedia technote which 
> > warns for the use of client variables in combination with asynchronous 
> > requests from the same client.
> >
> > The comments turned into a nice technical discussion about the use of cfc's 
> > stored in a persistent scope and the use in a clustered environment.
> >
> > The macromedia documentation states:
> >
> > "You cannot cluster session-based persistent ColdFusion Components. You 
> > cannot store ColdFusion components in the session scope when using 
> > clustering and session failover. Currently ColdFusion MX does not support 
> > serialization of CFCs; therefore, you cannot replicate their state across a 
> > ColdFusion MX cluster. The following code demonstrates storing an instance 
> > of a components in the session scope. "
> >
> > With a simple example of what cannot be done in a clustered environment:
> > <cfset 
> > session.securitycomp=CreateObject("component","directory.componentname")>
> >
> > With the ability of CFC's since CFMX, and so, storing complex data into a 
> > persistent scope, how do other users with extensive use of CFC's in 
> > persistent scope handle this?
> >
> > I've read somewhere the Macromedia stores CFC's in the server scope, but I 
> > can imagine the website doesn't run on a single server. How do they manage 
> > this?
> >
> > Maybe Macromedia also reads this, are there plans to support clustered 
> > complete data in future?
> >
> >
> 
> 

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