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Re: rabbit MQ and mirrored queues

 

Why don't you use the RabbitMQ builtin cluster solution?
I setup an active/active cluster with the buildin mecanism and put an
HAProxy on top with a priority on a specific node. (weight and backup
options).

For the mirrored queues don't we need to edit the openstack code?

Cheers.
~Seb



On Fri, May 25, 2012 at 10:10 PM, Eric Windisch <eric@xxxxxxxxxxxxxxxx>wrote:

> I feel that the best way to deploy RabbitMQ is to run multiple
> independently queue servers and have separate consumers to these servers.
> You can then do client-side balancing to select which Rabbit server
> messages go. To get that in Nova today would be pretty minor -- especially
> after the matchmaker lands (this can provide client-side balancing of
> servers).
>
> --
> Eric Windisch
>
> On Friday, May 25, 2012 at 09:18 AM, Stephen Gran wrote:
>
> Hello,
>
> I am investigating various high availability options for a pending
> deploy of open stack. One of the obvious services to make resilient is
> the mq service. We're going to be using rabbitmq, and we'll most likely
> have N of them in a standard rabbit mq cluster behind a load balancer
> configured as active/passive. One of the obvious improvements on this
> would be to use mirrored queues to protect against message loss as well
> as service downtime.
>
> Are there recommended ways of doing this? I see that I can use durable
> queues, which might work around the problems of openstack checking queue
> parameters on reconnect, but it seems a shame there's not an obvious way
> to do this out of the box. Unless I'm missing something?
>
> Cheers,
> --
> Stephen Gran
> Senior Systems Integrator - guardian.co.uk
>
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