[rabbitmq-discuss] Seeming high CPU for broker

Fri Jan 6 14:59:34 GMT 2012

Sorry, I really should know better than to be that vague...

Rabbit/Erlang version: 2.3.1 / R14B

Plugins:
[{running_applications,
     [{rabbit_jsonrpc_channel,"RabbitMQ JSON-RPC Channels","2.3.1"},
      {rabbit_management,"RabbitMQ Management Console","2.3.1"},
      {webmachine,"webmachine","1.7.0"},
      {rabbit_management_agent,"RabbitMQ Management Agent","2.3.1"},
      {rabbit_jsonrpc_channel_test,"rabbit_jsonrpc_channel_test","0.01"},
      {amqp_client,"RabbitMQ AMQP Client","2.3.1"},
      {rfc4627_jsonrpc,"JSON RPC Service","0.01"},
      {rabbit_jsonrpc,"Rabbit JSON-RPC","2.3.1"},
      {rabbit_mochiweb,"RabbitMQ Mochiweb Embedding","2.3.1"},
      {mochiweb,"MochiMedia Web Server","1.3"},
      {crypto,"CRYPTO version 2","2.0.1"},
      {inets,"INETS  CXC 138 49","5.5"},
      {rabbit_stomp,"Embedded Rabbit Stomp Adapter","2.4.1"},
      {rabbit,"RabbitMQ","2.3.1"},
      {mnesia,"MNESIA  CXC 138 12","4.4.15"},
      {os_mon,"CPO  CXC 138 46","2.2.5"},
      {sasl,"SASL  CXC 138 11","2.1.9.2"},
      {stdlib,"ERTS  CXC 138 10","1.17.1"},
      {kernel,"ERTS  CXC 138 10","2.14.1"}]},
 {nodes,[{disc,['rabbit at cam-amqp1']}]},
 {running_nodes,['rabbit at cam-amqp1']}]

Cheers,

Chris

> -----Original Message-----
> From: rabbitmq-discuss-bounces at lists.rabbitmq.com [mailto:rabbitmq-
> discuss-bounces at lists.rabbitmq.com] On Behalf Of Jerry Kuch
> Sent: 05 January 2012 23:27
> To: Chris Hampson
> Cc: rabbitmq-discuss at lists.rabbitmq.com
> Subject: Re: [rabbitmq-discuss] Seeming high CPU for broker
>
> Hi, Chris...
>
> What Rabbit version are you running?  Which, if any, plugins do you
> have
> enabled?
>
> Best regards,
> Jerry
>
> ----- Original Message -----
> From: "Chris Hampson" <Chris.Hampson at arm.com>
> To: rabbitmq-discuss at lists.rabbitmq.com
> Sent: Thursday, January 5, 2012 5:50:36 AM
> Subject: [rabbitmq-discuss] Seeming high CPU for broker
>
> Hi All,
>
> We've been running a few brokers for quite some time now. About a month
> ago one of them pretty much maxed out the CPU of the machine it was
> running on and has maintained this high level ever since.
>
> It's only ever using 20% (max) of the memory, not swapping, the load
> average of the machine is less than one and the service seems
> unaffected.
>
> Is this something I shouldn't be concerned with, it's not really having
> to cope with too much at the moment, a couple of active VHOSTS, small
> handful of exchanges, and in general less than 200/sec messages to even
> the busiest of those.
>
> I'm getting nagged by the ops guys due to it setting off notifications
> for the high CPU load, if it's expected or not something to worry about
> this I can just tell them to disable that notification (or at least
> ignore it).
>
> Are there any ways (beyond rabbitmqctl and the web interface) to see
> what's going on and if there's trouble ahead?
>
> Many thanks,
>
> Chris
>
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