[rabbitmq-discuss] Possible to keep consumed messages for certain period time (to replay..etc)

[Simon MacMullen]

There's no exact feature like that.

The closest thing would be to route messages to two queues, one for 
normal consuming and one for replay. The replay queue could have a 
message ttl so that it doesn't expand indefinitely.

You may also find Mike's Last Value Cache exchange interesting:

https://github.com/squaremo/rabbitmq-lvc-plugin

Cheers, Simon

On 08/03/12 09:25, Qing Yan wrote:
> Hi,
>
>     I am wondering in Rabbit MQ, can consumed messages be kept for
> certain period of time, so that it can be replayed later?
>
> According to the doc:
>
> :when should the AMQP broker remove messages from queues? The AMQP 0-9-1
> specification proposes two choices:
>
>     * After broker sends a message to an application (using either
>       basic.deliver or basic.get-ok AMQP methods).
>     * After the application sends back an acknowledgement (using
>       basic.ack AMQP method).
>
>
> (http://www.rabbitmq.com/tutorials/amqp-concepts.html)
>
> It seems not possible to do so. Basically what we need is :
>
> 1)  User to decide when to remove message from queue
>
> 2)  Replay message that has been consumed.
>
> Is Rabbit MQ suitable tool for such requirements?
>
> Thanks
>
>
>
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-- 
Simon MacMullen
RabbitMQ, VMware