[rabbitmq-discuss] Regarding FIFO Support

Matthias Radestock matthias at rabbitmq.com
Wed Jul 7 22:13:43 BST 2010

Jason, Tim,

Jason J. W. Williams wrote:
> That's good to know. Could have sworn there has been discussion here
> about ensuring order of delivery is up to the consumer/producers
> involved.

Timothy Chen wrote:
 > I thought I read that somewhere as well, but definitely good to know
 > there is ordering support now in RabbitMQ (a new feature? ).

It's not a new feature. You may have seen is discussions involving 
scenarios which fall outside the conditions for which the ordering 
guarantees apply. It is all too easy to end up in such situations. In 
particular note the "unless the redelivered field is set" condition, 
which means any disconnect by consumers can cause messages pending 
acknowledgement to be subsequently delivered out of order.



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