[rabbitmq-discuss] Impact of Updating Queue Parameters on Queued Messages

Richard Raseley richard at raseley.com
Tue Dec 17 18:44:40 GMT 2013

Thank you for your reply.

I will review the policy documentation and go that route.



On Tue, Dec 17, 2013 at 10:26 AM, Simon MacMullen <simon at rabbitmq.com>wrote:

> On 17/12/2013 18:15, Richard Raseley wrote:
>> A) The messages are purged, the queue is deleted and recreated with the
>> new parameters.
>> B) The messages are preserved and the queue's parameters are just updated.
>> C) Something else?
> C) The messages are preserved and the queue's arguments are *not* updated
> (i.e. the definition for that queue is ignored). Queue arguments never
> change; the import / export definitions feature does not change that.
> If you want to add a DLX to an existing queue you can do that with
> policies in 3.2.x: see "Configuration using policy" under
> http://www.rabbitmq.com/dlx.html
> Cheers, Simon
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