Hi Shreedhar
Thanks for the response.
Shreedhar Ganapathy wrote:
>
> Binod wrote:
>> In general, this is a question about how a resource adapter or
>> a JBI component leverage appserver's clustering capabilities.
>>
>> For this discussion, you can think of the resource adapter as yet
>> another container like EJB container or Web container.
> In such a case, the RA or JCA or possibly an object representing a
> collection of Adapters (lets call it a RAFacade) is simply a client
> component for GMS within a clustered instance. And gets notified when
> it can participate in the group of instances.And once in the group, the
> RAFacade can take actions to manage its state and RAs in different
> instances can talk to each other in a cluster if need be. That said,
> solution for clustered instance access to a backend EIS could be in
> found through more than one approach.
Do we have any samples/documentation showing how components deployed in
GlassFish [EJB/Connectors] could use GMS to co-ordinate activities within
themselves in a cluster?
>>
>> The question really is that, are our clustering infrastructure like
>> GMS and in-memory replication reusable?
> GMS is certainly designed for reusability assuming that within a VM,
> multiple components can use it for their own purposes in a
> group/collection context. I am not sure I understand how in-memory
> replication comes into the picture here.
I think they were wanting some form of in-memory replication to keep track of RA
state that could be shared across RA instances in a cluster.
Thanks
--Siva
>>
>> thanks,
>> Binod.
>>
>>> Do you mean Shoal <https://shoal.dev.java.net>GMS ?
>>> I would need more data to talk about how JCA connectors could be
>>> clustered.
>>> Shoal GMS is a generalized component that is independently employable
>>> in-process in a java application or appserver or any component in a
>>> VM to group VMs.
>>>
>>> glassfish_at_javadesktop.org wrote:
>>>
>>>> Hi,
>>>>
>>>> Incidentally, I recently ran into a similar situation.
>>>>
>>>> Can the mechanism that the HTTP session replication / SFSB uses,
>>>> i.e. GSM, memory replication, etc. be generalized so that it can be
>>>> reused in other components?
>>>>
>>>> Kind regards,
>>>>
>>>> Frank Kieviet
>>>> http://blogs.sun.com/fkieviet
>>>> [Message sent by forum member 'fkieviet' (fkieviet)]
>>>>
>>>> http://forums.java.net/jive/thread.jspa?messageID=203962
>>>>
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>>>>
>>
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