Now that I understand this multiple container/virtual container business:
<vendor>
In GemStone/J there is a concept of an Application. Applications contain
components, and all the artifacts that result from provisioning them
(fleshed out deployment information...).
One can deploy the same bean in multiple Applications, each with its own
home address and deployment setup.
You can also run multiple GemStone/J systems ( a set of server processes )
within one federated name space, so you could have the same component
running in multiple systems too.
</vendor>
-Chris.
> -----Original Message-----
> From: Jian Lin [SMTP:[EMAIL PROTECTED]]
> Sent: Wednesday, August 18, 1999 9:36 AM
> To: [EMAIL PROTECTED]
> Subject: Re: DB State Management!!, multiple containers
>
> Is anyone aware of any current EJB servers out there that have multiple
> container support?
> I understand that the idea is to enable the deployment of a bean into
> different
> containers with
> different descriptors. Has anyone come across such a need in a real-world
> situation? Since
> the deployment of the same entity bean in multiple containers causes a
> cashing
> problem,
> it may be less desirable to do it for entity beans than for session beans.
>
> For different beans, is there any advantage/disadvantage of deploying them
> in
> the same
> container versus different containers within the same server?
>
> -Jian
>
>
>
> Hi,
>
> Any ideas along these lines ...
>
> 1. Maintaining the state of DB when have multiple containers with in the
> same EJB server?
> (assuming all of them access the same DB). These containers can be any
> third party containers.
> 2. How does it impact caching and O/R mapping tools that are integrated
> with EJB-Server?
> 3. How does it impact the "caching" across Containers?
>
> If we have different DB being accesed by as single/multipl EJB- Servrer
> venodors how do Q2 and Q3 effect?
> Or any other related issues. (Using JMS and JTS may definitely help here
> IMHO, but I'm interested in the issues and problems dealing with
> Multiple EJB-Servers/Containers.)
>
> Do Q1-Q3 pose same problems when dealing with Multiple Containers in the
> Same VM as against Containers from a different VM ?
>
> Thanks,
> Nishi
>
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