[rabbitmq-discuss] what are message attributes used by broker in RABBITMQ
emile at rabbitmq.com
Wed Apr 11 13:24:19 BST 2012
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
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:
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