[rabbitmq-discuss] Queries on processes connected to RabbitMQ node

Thu Jun 27 08:36:32 BST 2013

On 26/06/13 19:30, Michael Klishin wrote:
> 2013/6/26 Priyanki Vashi <vashi.priyanki at gmail.com
>     1) First thing, I wanted to tie every single node of my cluster to
>     the specific CPU using linux 'taskset -c cpu -p pid' command. I have
>     total of 20 cpus so this how I want to control resources to
>     understand how it scales with respect to CPU and what load every CPU
>     would be under when I do stress testing with multiple producer and
>     consumer.
>
> I doubt manual CPU pinning will yield better results than just relying
> on the Erlang runtime scheduler to do its job.

Indeed. The Erlang VM will happily use all the cores it can get. So on 
your 20-core machine, you'll want to run a single rabbit, not a cluster 
of 20.

Matthias.