[rabbitmq-discuss] How to synchronize the RabbitMQ exchanges?

王俊波 wangjunbo924 at gmail.com
Mon Dec 17 10:35:42 GMT 2012

Hi Simon,
Thanks for your reply. I'm looking for any plugin meeting requirements but
no lucky.   So it seems that we have to sync two brokers without
transferring messages by ourselves by api. The worst thing is that we may
have to sync definitions whenever we declare a new exchange ,queue or

2012/12/17 Simon MacMullen <simon at rabbitmq.com>

> On 15/12/2012 3:07PM, 王俊波 wrote:
>> Hi,
>> Suppose I have created two or more RabbitMQ nodes. For simplicity two
>> nodes: X and Y. And they are NOT within the same cluster due to the
>> WAN. Now our applications will declare exchanges dynamically via Java
>> client libraries on node X. Is there any way that the same exchanges are
>> declared on Y automatically? Maybe the queues as well.
>> a constraint: no messages sent to X are copied to Y because we cannot
>> handle duplicate messages up to now.
>> The federation plugin seems be a choice, but I'm not sure weather it
>> works.
> Hi! The federation plugin definitely works :-) but I don't think it's what
> you want; it will transfer messages...
> If you want to sync two brokers without transferring messages at all then
> your best bet is to write a script to export definitions at X (using the
> mgmt plugin /api/definitions), transfer the config JSON to Y, and reapply
> it at Y.
> Cheers, Simon
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