There's no such thing as too many. It would totally depend on your application and how much RAM your server has. It would also depend on the amount of data in each variable. You just have to think ahead and try to limit session variable usage to variables that will be requested alot and would be much more efficient to be coming from memory as opposed to the database, and variables that wouldn't more aptly fit the application or server scope. I've loaded up hundreds of mbs of server memory just for fun testing on a dev box and it will work just fine, but you will definitely bring down your server if you max out the RAM. Use them sparingly when they make sense, not just out of laziness or lack of database, and you should be fine.
-----Original Message-----
From: Adaryl Wakefield [mailto:[EMAIL PROTECTED]
Sent: Tuesday, March 18, 2003 1:08 PM
To: [EMAIL PROTECTED]
Subject: [KCFusion] session vars

Just how many is TOO many session vars in an application?
A.

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