[rabbitmq-discuss] FW: One Producer, Many Consumers, Many physical nodes

[Alvaro Videla]

Hi,

RE - Keeping messages:

RabbitMQ takes care of queueing messages, that is, of keeping them in
queues. The only thing you have to do as a user is publishing them.

RE - Deleting messages:

When the message is delivered to a consumer and then that messages is asked
back to the server, then the message is automatically deleted by RabbitMQ
(this is an oversimplification BTW, there are many options that might
modify message durability).

Regards,

Alvaro

On Thu, Jan 19, 2012 at 5:17 PM, Bell, Paul M. <pbell at syncsort.com> wrote:

> Michael,
>
> Thanks for the reply.
>
> I have finished working through a few of the tutorials you referenced.
> Either I missed something or haven't yet gotten to the right tutorial.
>
> You've told me that it's possible to leave a message in a queue, i.e.,
> that a message can persist in its queue even after it has been received by
> a consumer. Can you tell me how this is done?
>
> Also, such an approach suggests the need to explicitly delete the message
> from the queue. Is there a way to do this?
>
> Cordially,
>
> Paul
>
> >Paul,
>
> >Looking through the tutorials will obviate many further questions.
>
> >On this specifically,
>
> >> When a consumer pulls a message from the queue, is there a way to
> >> leave that message in queue? If so, can queue elements be updated
> >> in-place, e.g., with "status" info about the state of the work that
> >> the message (task) represents?
>
> >No. You can leave it in the queue, but you can't change it. You'd have to
> post another message.
>
> >-Michael
>
>
>
>
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