Re: Clustering Pollers

[jpuro <jp...@sterlingtesting.com>]

How exactly could one use JMS to allow for a cluster aware LockManager?

Regards,

Jeff


gnodet wrote:
> 
> This is not completely implemented, but the idea is to use
> a custom LockManager implementation which can work
> in cluster.  But this implementation has not been written yet.
> JMS can be a good idea for that.
> Then, you should be able to set this implementation on the
> endpoint, so that only one endpoint can process a given file.
> 
> On 11/13/06, Jeffrey Puro <jp...@sterlingtesting.com> wrote:
>> Let's say I use either the lightweight ServiceMix FilePoller or the JBI
>> file poller.  How can I deploy this component in a clustered environment
>> so that the multiple poller instances don't try and pick up and process
>> the same file?  Is there a way to place some kind of synchronization on
>> the file polling mechanism in a clustered environment?  Perhaps JMS
>> would help...
>>
>>
>>
>> Regards,
>>
>>
>>
>> Jeff Puro
>>
>> Senior Developer
>>
>> Sterling Testing Systems, Inc.
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> This email (and any attachments) is intended only for the use of the
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>> <br />
>> Opinions, conclusions and other information in this message that do not
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>> neither given nor endorsed by it.
>>
>>
>>
> 
> 
> -- 
> Cheers,
> Guillaume Nodet
> 
> 

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Re: Clustering Pollers

[Guillaume Nodet <gn...@gmail.com>]

Not sure if this is really doable with JMS.
At least, it would require some sort of optimistic locking,
as jms message would not be processed synchronously.
I guess a database is easier for that ;-)

On 12/21/06, jpuro <jp...@sterlingtesting.com> wrote:
>
> How exactly could one use JMS to allow for a cluster aware LockManager?
>
> Regards,
>
> Jeff
>
>
> gnodet wrote:
> >
> > This is not completely implemented, but the idea is to use
> > a custom LockManager implementation which can work
> > in cluster.  But this implementation has not been written yet.
> > JMS can be a good idea for that.
> > Then, you should be able to set this implementation on the
> > endpoint, so that only one endpoint can process a given file.
> >
> > On 11/13/06, Jeffrey Puro <jp...@sterlingtesting.com> wrote:
> >> Let's say I use either the lightweight ServiceMix FilePoller or the JBI
> >> file poller.  How can I deploy this component in a clustered environment
> >> so that the multiple poller instances don't try and pick up and process
> >> the same file?  Is there a way to place some kind of synchronization on
> >> the file polling mechanism in a clustered environment?  Perhaps JMS
> >> would help...
> >>
> >>
> >>
> >> Regards,
> >>
> >>
> >>
> >> Jeff Puro
> >>
> >> Senior Developer
> >>
> >> Sterling Testing Systems, Inc.
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> This email (and any attachments) is intended only for the use of the
> >> individual or entity named above and may contain information that is
> >> privileged and confidential. If you are not the intended recipient, or
> >> have unauthorized access, you are hereby notified that copying,
> >> disseminating, distributing or taking any action in reliance on this
> >> email is strictly prohibited<br />
> >> <br />
> >> Opinions, conclusions and other information in this message that do not
> >> relate to the official business of our firm shall be understood as
> >> neither given nor endorsed by it.
> >>
> >>
> >>
> >
> >
> > --
> > Cheers,
> > Guillaume Nodet
> >
> >
>
> --
> View this message in context: http://www.nabble.com/Clustering-Pollers-tf2625520s12049.html#a8002027
> Sent from the ServiceMix - User mailing list archive at Nabble.com.
>
>


-- 
Cheers,
Guillaume Nodet