[rabbitmq-discuss] RabbitMQ / Erlang not running on all cores?
mpietrek at skytap.com
Tue Oct 22 20:12:51 BST 2013
Following up on this, it looks like erlang is seeing all four cores:
Erlang R15B01 (erts-5.9.1) [source] [64-bit] [smp:4:4] [async-threads:0]
I assume this is what the [smp:4:4] refers to.
On Tue, Oct 22, 2013 at 10:43 AM, Matt Pietrek <mpietrek at skytap.com> wrote:
> We're running RabbitMQ 3.0.2 on Ubuntu 10.04 with Erlang 1:15.b.1 on a
> four CPU box under pretty heavy load.
> Looking at the per-CPU metrics in VMWare, it looks like the beam.smp
> process is utilizing only one of the CPUs. One CPU is pegged at near 100%,
> while the others are nearly idle.
> Is there some sort of configuration switch I've overlooked to enable
> Rabbit/Beam to use all the CPUs?
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