[rabbitmq-discuss] what are message attributes used by broker in RABBITMQ

Simon MacMullen simon at rabbitmq.com
Thu Apr 19 10:44:17 BST 2012

On 18/04/12 22:05, Saima Asif wrote:
> I am trying to get a general estimate about the latency based on all
> message properties

This is very unlikely to work. Message properties don't have very much 
to do with it.

In practice *by far* the biggest impact on latency is message rate - 
when the broker is near to its maximum message rate, latency heads for 
the sky. See the last chart at:


I would argue that RabbitMQ, like most software, is too complex a system 
to *model* with anything other than itself. If you want to find out how 
it will perform in a given context, take measurements.

Cheers, Simon

Simon MacMullen
RabbitMQ, VMware

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