[rabbitmq-discuss] rabbitmq-ha-test setup

Fri Sep 2 19:11:49 BST 2011

Brad

The idea of a round robin exchange has come up several times.  There
are use cases for it and it would not (I am told..) be much work to
write a basic one.  But - do you need it for your case?  Why can't you
stripe by routing key?  And then use mirrored queues off the back of
that to make the partitions HA.

alexis

On Fri, Sep 2, 2011 at 10:41 AM, Brad Knowles <bknowles at ihiji.com> wrote:
> Folks,
>
> I ran across the thread about a month ago, including the message at <http://lists.rabbitmq.com/pipermail/rabbitmq-discuss/2011-July/014246.html>, and I had some questions about where this has issue has gone since.  I've read the documentation on mirrored queues (<http://www.rabbitmq.com/ha.html>) and on the active/passive failover solution (<http://www.rabbitmq.com/pacemaker.html>), and I was hoping that there might be a third option available?
>
> If you want to talk about mirroring queues across sets of servers, then it would seem to me that for scalability purposes, you should be able to easily stripe across those mirrors.  In Rabbit parlance, that would seem to be a simple round-robin exchange that distributes incoming queues to be created among one or more mirroring exchanges.
>
> Mirroring and then striping the mirrors seems to be an obvious solution to this problem.  So, what am I missing?  Is there other documentation that I have not yet read?  Any pointers or discussion that you can provide would be greatly appreciated.
>
> Thanks!
>
> --
> Brad Knowles <bknowles at ihiji.com>
>
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