[rabbitmq-discuss] what are message attributes used by broker in RABBITMQ
videlalvaro at gmail.com
Wed Apr 11 13:42:11 BST 2012
Exchanges just route message based on the exchange type. For some exchange
types the routing key will be using to find matching queues.
On Wed, Apr 11, 2012 at 2:38 PM, Saima Asif <abdullahsaima at yahoo.com> wrote:
> Dear Emile,
> It means user id property, message durability, Sender-selected
> distribution is visible to broker, other than routing key. Is there any
> other data or property broker I means exchanges consider?
> Thanks for your reply.
> Saima Asif
> *From:* Emile Joubert <emile at rabbitmq.com>
> *To:* Saima Asif <abdullahsaima at yahoo.com>
> *Cc:* "rabbitmq-discuss at lists.rabbitmq.com" <
> rabbitmq-discuss at lists.rabbitmq.com>
> *Sent:* Wednesday, 11 April 2012, 13:24
> *Subject:* Re: [rabbitmq-discuss] what are message attributes used by
> broker in RABBITMQ
> Hi Saima,
> On 11/04/12 12:54, Saima Asif wrote:
> > "When publishing a message, producers may specify various /message
> > attributes/ (message meta-data). Some of this meta-data may be used by
> > the broker, however, the rest of it is completely opaque to the broker
> > and is only used by applications that receive the message. "
> > I am concerned about what message attributes are used by message broker
> > in AMQP 0-9 model in general?
> The delivery-mode property is used to indicate persistence requirements.
> See the "Message durability" section in
> http://www.rabbitmq.com/tutorials/tutorial-two-python.html for details.
> The user-id property is validated only if it is supplied by the
> publisher. See
> http://www.rabbitmq.com/extensions.html#validated-user-id for details.
> Sender-selected distribution makes use of CC and BCC headers in the
> message at the time of publication. See
> for more details:
> rabbitmq-discuss mailing list
> rabbitmq-discuss at lists.rabbitmq.com
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