[rabbitmq-discuss] Pre-defining queue for federated exchanges?

Brendan Hay brendan at soundcloud.com
Wed Apr 18 08:21:32 BST 2012

You may want to investigate whether shovel is a better fit in this

For example: run the shovel on the current upstream, predeclare the
queues/bindings in the shovel config so messages will pool, and then push
to your downstream, rather than using federation, or dedicated consumers

When the upstream restarts and auto-magically loses its queues, the shovel
plugin will redeclare the queue/bindings on boot, and whola! Your messages
will still be routed and pooled before being pushed downstream by the

Just an idea.

- Brendan

On Tue, Apr 17, 2012 at 11:32 PM, James Carr <james.r.carr at gmail.com> wrote:

> One of the things keeping me up at night lately is a worry that our
> federation links will break, the broker will lose its queues someway and
> we'll wind up with messages being published that just get dropped.
> Is there a way we could define some kind of queue that is setup by
> default? The only other thing I could think is to just define
> alternate-exchanges for every exchange, slap a queue on it and set a
> consumer on it that simply republishes when federated links are
> established.
> Other ideas? The approach I came up with feels rough.
> Thanks,
> James
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