Hello all...
 
Next month I'm beginning a complete rewrite of a site that gets about
120,000 page views per day. For background, here is our server
configuration:
 
CFMX 6.1 Enterprise, J2EE Configuration for JRun
2 Windows 2003 Servers with 4 GB RAM for IIS and JRun/CFMX
MS SQL 2000 on a separate Windows Server 2003
Hardware Load Balancer
This site has one JRun instance on each server joined in a cluster
Session Replication is enabled
Both CFMX and JRun have the latest updaters installed
 
(There are 5 more instances of JRun on each server running smaller,
lower traffic sites)
 
The site requires tracking a small amount of demographic information
(zipcode, etc) throughout the entire user's session. There is also a
login for contest/poll entry, managing subscriptions, access to certain
types of content, etc. 
 
All of this MUST work if the user has cookies disabled in their browser.
(I use URLSessionFormat() for all links).
 
I'm getting conflicting reports on which is best for this scenario:
Session Variables or Client Variables
 
I know Session Replication is faster, but it's been a little flakey
since we started using JRun clusters... especially due to a bug where
when a JRun instance is brought back online, the session is dropped and
the user gets a new one. (Macromedia is supposed to be fixing that one
soon).
 
But as a test, I tried switching to client variables (using database)
and we took a serious performance hit (probably 50%) with the current
application. I'll do my best to streamline it during the rewrite, but
does anyone have any suggestions on the best route to take here?
 
Thanks,
Jonathan
_________________________________________
Jonathan Mauney
Web Application Developer/Manager, Digital Media Properties
News Talk 1110 WBT/107.9 the LINK/PersonalityAC(r) Radio Network
Jefferson-Pilot Communications Co.

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