[rabbitmq-discuss] RabbitMQ Cluster High CPU Usage 100-200%+

[Wong Kam Hoong]

Hi,

I'm using rabbitmq 2.8.3

Regards,
Wong

On Wed, Jul 11, 2012 at 6:21 PM, Francesco Mazzoli
<francesco at rabbitmq.com>wrote:

> At Wed, 11 Jul 2012 18:12:24 +0800,
> Wong Kam Hoong wrote:
> > Hi,
> >
> > Now i'm running RabbitMQ in 3 hosts in cluster mode, each Rabbit nodes
> run in disc mode,
> > but I found that even there is no produce and consume operation going
> on, the % cpu usage
> > remain very high especially on the master node.
> >
> > Below are the TOP result captured in the hosts:
> >
> > Master Node
> > PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
> > 13994 rabbitmq  25   0  206m 114m 2304 S 205.0  2.9 670:29.57 beam.smp
> >
> > 1st Slave
> > PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
> > 13775 rabbitmq  25   0  136m  49m 2252 S 60.7  1.3   7:02.15 beam.smp
> >
> > 2nd Slave
> > PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
> > 23053 rabbitmq  25   0  135m  47m 2248 S  8.7  1.2   8:14.07 beam.smp
> >
> > Based on the result captured on the hosts the memory usage is OK, but
> why the
> > %cpu usage can be so high? Is it due to my server configuration?
>
> What version of rabbit are you using? We fixed a couple of bugs that could
> cause
> things like this (I'm looking at you, gb_trees!).
>
> --
> Francesco * Often in error, never in doubt
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