[rabbitmq-discuss] General Questions

Thu Oct 25 22:17:05 BST 2012

Erik, first off I would love to hear about your use case(s). I figured I would get a "it depends" answer so I'll try to be more specific.

Say I wanted to implement some sort of chat functionality with our application. I figure each logged in user would make a web socket connection to some service that would return the content of the messages. Now, would this mean each logged in user would create an anonymous queue and subscribe to it? In that case there could be potentially 10k's of queues. Is this ridicolous?

On Oct 25, 2012, at 1:53 PM, Erik Anderson <erikerik at gmail.com> wrote:

> On Thu, Oct 25, 2012 at 1:16 PM, Mark <static.void.dev at gmail.com> wrote:
>> 
>> Can someone please explain the following:
>> 
>> What are default exchanges used for (anonymous queues?)
>> How many exchanges are "normal"
>> How many queues are "normal"
>> Are queues usually very general or very specific in nature
>> Do workers/consumers typically consume from more than one queue or would
>> they consume from a set of related queues
> 
> I'm afraid the answer to nearly all of these is:
> 
> It depends.
> 
> Asking this question about rabbit is sort of like asking a DBA how
> many tables is "normal" or a network engineer how many firewall ACLs
> is "normal".
> 
> All of these are completely dependent on your specific use case.
> 
> I could answer the above questions for my specific situation, as could
> many others on the list, but those answers will be of little use for
> you, and in fact, may steer you down the wrong direction if you put
> too much weight behind any of the answers as being the "right way".
> 
> Just dive in - I knew nothing about RabbitMQ before starting my
> current project about 4 months ago. Sure, we made some changes along
> the way, but fortunately RabbitMQ makes it very easy to change up your
> configuration as you go.
> 
> -Erik
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