[rabbitmq-discuss] Updating messages on queues

Mon Jul 19 13:44:00 BST 2010

Matthew Sackman-3 wrote:
> 
> On Mon, Jul 19, 2010 at 08:17:55AM -0400, Aaron Westendorf wrote:
>> What are the rules for this?  We're using no-ack messages and I've
>> considered switching to explicit acks, but am concerned about the case
>> where a message takes "a long time" to process.
> 
> There is no timeout on acks. Once a message has been sent to the client,
> the client has as long as it needs before it acks the message. Until it
> acks the message, Rabbit hangs onto the message so that in the event of
> failure, Rabbit can reinsert the message into the queue from whence it
> came.
> 
> Matthew
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> 
> 

Thanks for all you help on this. Think this should give me something to go
on.

Carl
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