[rabbitmq-discuss] RabbitMQ publisher confirms behaviour
simon at rabbitmq.com
Thu Jun 27 10:39:22 BST 2013
On 26/06/13 23:57, Rohit Yadav wrote:
> What happens when a durable message is published with publisher confirms
> and the producer is stopped, i.e. we don't know if a confirm was
> received. In such a case if the message reaches the broker but the
> broker fails to send confirms back, is the message dropped?
> When I stop
> the consumer I wait to receive any leftover confirms and I see that even
> after say 60s the _deliveries is not empty. How may I make sure messages
> which were sent confirm asynchronously and if I should wait for sometime
> before closing the channel how may I determine the wait time period?
You should get confirms back quickly. The confirm is *not* an indication
that the message has been consumed, it means the broker has taken
responsibility for the message.
> How does confirms work internally at the broker level, as in the latest
> RabbitMQ server.
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