[rabbitmq-discuss] Shunting messages from one queue to another

Wed Jul 3 12:33:47 BST 2013

On 03/07/13 11:53, Simon MacMullen wrote:
> On 03/07/13 11:33, Tom Anderson wrote:
>> We could use the shovel plugin to do this - in some ways this seems
>> ideal. However, shovels are configured in RabbitMQ's configuration files
>> as essentially permanent features, which we don't want; we want to be
>> able to run a shovel-like process just once, rather than constantly.
>> Also, shovels seem to be geared towards moving messages between queues
>> in different brokers, whereas in our case, both queues are in a single
>> broker. Would it still be sensible to use a shovel?
>
> In the future we hope to have shovels that can be dynamically 
> reconfigured at run time; I don't consider permanency to be an 
> inherent feature of shovels. And being able to spin up a quick shovel 
> to move messages from one queue to another within the same broker is a 
> use case for that.

Awesome!

> However, "permanent" shovels are all we've got at the moment. But bear 
> in mind the shovel doesn't need to be in the same broker as the queues 
> - you could spin up an ad hoc broker node on the same machine with 
> whatever shovels you need, then shut it down when you're done.

I don't know offhand how to start a brand new broker node. Is this 
something that will be obvious if i read the documentation, or is there 
any trick to it? Will there be any surprises if we do this on the same 
machine as a running node?

tom

-- 

Tom Anderson | Developer | +44 20 7826 4312 | timgroup.com 
<http://timgroup.com/>

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