[rabbitmq-discuss] Use case for durable exchange?

Alexis Richardson alexis.richardson at gmail.com
Wed Aug 12 17:03:25 BST 2009


Exchanges contain routing information which you may not want to lose
in a crash.  Queues contain messages, for eventual delivery.
Persistent messages plus durable queues gives you eventual delivery
even if the queue crashes.  But you also want durable exchanges if you
plan to send more messages down the same path even after a crash.

Does this help?


On Wed, Aug 12, 2009 at 4:59 PM, Jim Irrer<irrer at umich.edu> wrote:
> I am creating a strategy for using AMQP in our organization
> and am trying to understand the technology.  One thing that
> confuses me is the idea of making a durable exchange.  Durable
> queues make sense, but is there a real world scenario that
> benefits from a durable exchange?
> Thanks,
> - Jim
> Jim Irrer     irrer at umich.edu       (734) 647-4409
> University of Michigan Hospital Radiation Oncology
> 519 W. William St.             Ann Arbor, MI 48103
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