[rabbitmq-discuss] Consumer crash, redelivery and prefetch

Michael Klishin michael.s.klishin at gmail.com
Thu Mar 13 19:42:27 GMT 2014

2014-03-13 23:31 GMT+04:00 Thomas Riccardi <riccardi at systran.fr>:

> Ideally the solution would be to be able to distinguish the first non
> ack'd message from the other ones when the consumer crashes, or
> alternatively having two types of ack : one "I'm starting to work on
> this message", and a second one "I've finished working on this message".

As far as RabbitMQ goes, all messages were delivered and are unacknowledged.

> Otherwise a redelivery count would do the trick (even if it means
> working multiple times on a message that did make the consumer crash,
> which is not efficient if we know crashes happen mostly systematically).

This is a sensible feature which I'm not sure why Rabbit still does not
Definitely worth investigating.

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