[rabbitmq-discuss] Documentation on priority?
michael.s.klishin at gmail.com
Wed Jul 13 20:31:28 BST 2011
2011/7/13 <Lowell.Boggs at emc.com>
> For example, I'm interested in this information:
> * Is priority 0 higher or lower than priority 1?
I don't think the spec defines it, so it is up to your applications.
> * Are messages with higher priority (whatever direction that is)
> guaranteed to be delivered before messages of lower priority?
As far as I know RabbitMQ does not use priority attribute for deliveries (or
any other purpuses).
> * Are the priorities of persistent messages in durable queues preserved
> after a server restart?
Yes, just like other message attributes.
> * Are there any other aspects of the priority that I need to program
It is up to your applications how fields like `priority` or `type` are used.
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