[rabbitmq-discuss] Questions about how best to use RabbitMQ

Tue Nov 4 00:23:20 GMT 2008

On Mon, Nov 3, 2008 at 2:59 PM, Alexis Richardson
<alexis.richardson at cohesiveft.com> wrote:
> Steve
>
> On Mon, Nov 3, 2008 at 10:12 PM, Ben Hood <0x6e6562 at gmail.com> wrote:
>> Steve,
>>
>> On Mon, Nov 3, 2008 at 7:56 PM, Steve Jenson <stevej at gmail.com> wrote:
>>> I see, so we wouldn't be able to take advantage of fanout exchanges?
>>> Fanout exchanges seem efficiently implemented such that each queue
>>> doesn't keep an individual copy of the message. If we can't use fanout
>>> exchanges, that would seem to indiciate increased memory pressure on
>>> the broker?
>>
>> I don't know if follow this. Are you saying that messages routed to
>> queues using a fanout exchange are not copied, rather each queue holds
>> a reference to each unique message?
>
> If I may intrude...
>
> Steve - I think you are asking if using direct and topic exchanges in
> a pubsub scenatio is more expensive from a memory consumption point of
> view than using fanout.  IF SO... then the answer is to your question
> is 'no'.. at least in the first approximation.

That was exactly what I was asking, I'm glad to see it's not the case.
That's very nice to hear.

Best,
Steve