thanks for the reply, I can see if you make no use of functionalities other than push/pop how redis would be just fine.

Could you be so kind to qualify what load are we talking about, as producers/consumers & message rate/size/persistence level?

I have used ActiveMQ with systems of about ten nodes and a message rate of <2k/sec and it worked fine, and I always believed rabbitmq was faster/more stable (erlang bias!) so if your volume is 500k/s I'm ok, otherwise I'd file this as another slightly worrying information about rabbitmq (after the problems I heard from reddit)