What about multiple hosts?

> -----Original Message-----
> From: Laurie Harper [mailto:[EMAIL PROTECTED]] 
> Sent: Monday, December 16, 2002 6:35 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Multiple Turbine servers
> 
> 
> No need to go the comercial route, Tomcat supports session 
> clustering. 
> It provides implementations for in-memory session sharing 
> (for multiple 
> webapps in one container or multiple containers on one host) and 
> database backed session sharing. You can also implement other 
> strategies 
> if needed.
> 
> L.
> 
> Quinton McCombs wrote:
> 
> > 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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