[rabbitmq-discuss] conceptual question

Sun Apr 11 20:23:08 BST 2010

Jim

Have you looked at the Shovel plugin?  That may be a better fit for
your needs in this case.

alexis

On Sun, Apr 11, 2010 at 7:52 PM, Jim Stabile <jstabile1 at vmware.com> wrote:
>
> Hi,
>
> What is the current status of this?  I want to use RabbitMQ across a WAN.
> One publisher connected to a RabbitMQ server and a set of subscribers
> connected to another RabbitMQ server (both servers in a cluster) over a WAN.
> When a publish occurs, I want only 1 message to be sent from the publisher's
> server to the subscriber's server (over the WAN) and then the fan-out
> happens to all subscribers (last-mile fan-out).  I'm looking at RabbitMQ
> 1.7.2.  Has this been addressed?  If not, is there a timeframe?
>
> Jim
>
>
>
> Matthias Radestock-2 wrote:
>>
>> Alexis Richardson wrote:
>>> I am fairly sure that....
>>>
>>> On Fri, Jul 3, 2009 at 7:38 PM, <Ken.Anderson at sungard.com> wrote:
>>>> Sorry to interject here, but I'm curious as to the answer as well.
>>>> I'm assuming the question is related to performance - does the
>>>> message make on hop between nodes, and then get distributed,
>>>
>>> Yes.
>>
>> Actually, the answer, at present, is 'no', though it used to be 'yes'.
>> We disabled the optimisation which sends just one copy of the message to
>> a node on which multiple destination queues reside, since it broke some
>> of AMQP's ordering guarantees. A fix for that, allowing us to re-enable
>> the optimisation, is on our todo list.
>>
>>
>> Matthias.
>>
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>>
>>
>
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