[erlang-questions] RabbitMQ message consumption

Bastien CHAMAGNE bchamagne@REDACTED
Fri May 12 14:56:57 CEST 2017

Hi Kareem, you should ack only when your application have processed the 
message. See https://www.rabbitmq.com/confirms.html

On 12/05/2017 13:55, Kareem Hepburn wrote:
> Is it possible with RabbitMQ to consume a message without it being 
> deleted and be deleted manually?
> Because let's say I consumed a message and started to process it and 
> half way through processing it the application fails. I want to be 
> able to re-process that message again. Is it possible to not delete 
> the message and delete it manually after my process has successfully 
> completed?
> To avoid duplication, I plan to use a secondary database, either Redis 
> or Memcache to store the ID of the message to ensure that it's not 
> being processed by more than one application.
> Thanks!
> -- 
> kareemgan <http://kareemgan.com>
> Kareem Gan / Software Engineer
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