[rabbitmq-discuss] Federation configuration for clusters - failover

Laing, Michael P. Michael.Laing at nytimes.com
Wed Jul 25 14:14:03 BST 2012

Thanks! -ml

On 7/25/12 7:41 AM, "Emile Joubert" <emile at rabbitmq.com> wrote:

>On 23/07/12 15:25, Laing, Michael P. wrote:
>> I currently have the same configuration for each node in the cluster. Is
>> this correct?
>> Also, what is the expected behavior when a node in the cluster goes
>> down? If it is the node on which the federation plugin has created its
>> queues etc, I would think it should recreate them on another node and
>> keep on going. We will test this but it would be nice to know what to
>Yes, the federation link will be re-established from another node in the
>cluster. You can determine the active node by inspecting the 'status'
>field in the output of
>rabbitmqctl eval 'rabbit_federation_status:status().'
>> expect. Perhaps we should we set the HA option? Currently losing
>> messages is not an issue for us but en futuro it will be as we implement
>> high volume applications.
>If you are concerned about losing messages after they get routed to
>queues then you should use HA.

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