> Okay, so the idea is that if you suspect the potential for a 
> race condition,
> 
> <cflock name="session.mySessionVar" timeout="10" type="exclusive">
>   <cfset session.mySessionVar = 123>
> </cflock>
> 
> Something like that??

That would block anyone else running the same page, and you don't want that.
Instead, create a unique lock name for each session:

<cflock name="#Session.SessionID#_mySessionVar" ...

> Again, when would best practices dictate locking the entire 
> session (or application) scope under MX7?

Almost never, in my opinion.

Dave Watts, CTO, Fig Leaf Software
http://www.figleaf.com/

Fig Leaf Software provides the highest caliber vendor-authorized
instruction at our training centers in Washington DC, Atlanta,
Chicago, Baltimore, Northern Virginia, or on-site at your location.
Visit http://training.figleaf.com/ for more information!


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