On 2003.03.04 12:49 Davide wrote:
> 
> Hi David, thank you for your reply, I remember your precious help on the 
> Connector mailing list.
> 
> David Jencks wrote:
> > you should expect a clustered solution to have slightly more latency
> than
> > an equivalently configured (with same commit option) non clustered
> > solution: there is more communication.  However by adding more  servers
> you
> > should be able to get higher throughput as well (again, with the same
> > commit option).
> 
> Of course, Thing is that I need to use option B on cluster as stated on
> Jboss 
> docs. In this case I loose completely the caching mechanism. This is the
> reason 
> because I'm seeing performances degradation.
> I looked at the seppuku pattern but it's tied to BEA features.

?? We have something named like this but I don't know exactly what it does.

> It's very interesting the ACE pattern that it's vendor independent
> 
> http://www.theserverside.com//patterns/thread.jsp?thread_id=10610&article_count=47#35119
> 
> But also this solution implies a large code rewriting an right now I'm
> not able 
> to completely evaluate it.
> 
> > I am not an expert on this!!
> 
> I know, I hope to receive some suggestion from Sacha
> 
> > My understanding is that guaranteed correct reads can only
> > be obtained with a distributed cache which is now under development.
> 
> Any planned date ;-) ?

jboss 4, theoretically in june.
> 
> If I do not use entity beans. Is there any way to have a singleton
> Hashtable 
> available to my application ?

Sure, write an mbean to hold and manage it.

david jencks
> 
> Thank you in advance
> 
> Davide
> 
> 
> 
> 
> 
> 
> 
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