[rabbitmq-discuss] Round robin Topic exchange s

Simon MacMullen simon at rabbitmq.com
Thu Feb 7 11:10:34 GMT 2013


Sorry, it's not very clear what 'I would like the exchange to round 
robin messages to each consumer queue for the "same" topic' means.

Do you mean something like: for each message, evaluate the routing as a 
topic exchange normally would, giving a list of queues. But then rather 
than routing to all those queues, just route to one, in some round robin 
fashion?

Or something else?

Cheers, Simon

On 07/02/13 10:50, Marc Teichtahl wrote:
> Im seeking some advise as to how best configure my rabbitMQ exchanges.
>
> Im trying to use a topic exchange in a round robin methodology. Each
> consumer has its own (uniquely) named queue attached to a topic
> exchange. I would like the exchange to round robin messages to each
> consumer queue for the "same" topic - lets say *.log for example.
>
> I have tried multiple combinations and only seem to be able to
> simultaneously deliver messages to the consumer queues which effectively
> means Im processing the message twice, once in each consumer.
>
> for clarity I also have a fanout exchange, which I use to "control" the
> consumers (start, stop etc).this should remain in place in any outcome.
>
> Any guidance on how best to achieve the stated outcome would be great.
>
>
> Marc
>
>
>
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-- 
Simon MacMullen
RabbitMQ, VMware


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