I am not sure how you have load balancing setup between your app
servers.  If, once a session is started, the user stays on the same app
server, you should not have a problem with cached information in the
session.  If not, you might need to look at using a commercial server
such as WebLogic to run the servlets.  I think I remember WebLogic
servers being able to cluster and maintain session state across
instances.

> -----Original Message-----
> From: Chris K Chew [mailto:[EMAIL PROTECTED]] 
> Sent: Monday, December 16, 2002 2:50 PM
> To: Turbine Users List
> Subject: RE: Multiple Turbine servers
> 
> 
> I suggest you write a Junit test or Jmeter plan that opens 
> and submits a new entity form from one server and validate 
> the results.  Then do the same on a second, and third, etc.  
> Repeat this many times more and watch what happens to the 
> id's.  If you can let this run for a few hours and thereby 
> generate many records without trouble, then you can have some 
> confidence in the Id broker?  You might also test the case 
> where three or more new entity forms are submitted at 
> (nearly) the same time.
> 
> I would think another area that might cause concern is 
> sessions and users, since Turbine seems to cache a lot of 
> things in the user's session.
> 
> How does a user get directed to a particular turbine 
> instance?  Will the user always interact with the same "job server"?
> 
> Can anyone else identify places where information is cached 
> in the servlet instance?
> 
> Exciting!
> 
> Chris
> 
> 
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