[rabbitmq-discuss] RabbitMQ Clustering Million of Users

Gavin M. Roy gmr at myyearbook.com
Thu Jul 5 01:31:58 BST 2012

On Wednesday, July 4, 2012 at 5:54 PM, eleanor wrote:

> And I know you're not GAE users, so just ignore the first part of the
> message and answer me this: 
> 1. How big cluster would I need to handle 4000-5000 requests/s?

I've found around 10k messages/s per node in a cluster as a reasonable number in my environment, but think I could get that to a higher velocity with some OS level tuning.
> 2. Is it a good idea to rent the available servers on 6sync or some other
> VPS hosting to build a cluster of RabbitMQ nodes there or is something else
> really a better way of building a RabbitMQ cluster?

Depends on how reliable you find resource availability in your VPS solutions. At high velocities, it's packets per second and network traffic that'll get you, not CPU. Also depending on queue depths, RAM could be an issue. 


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