[rabbitmq-discuss] Diagnosing crashes?

[Matthias Radestock]

Benno,

On 19/12/11 00:36, Benno Rice wrote:
> I've got a RabbitMQ instance running on Ubuntu that's suddenly
> decided to crash about once every 24 hours. How would I go about
> working out why this is the case?
>
> The system is a Ubuntu 10.04 LTS instance running under VMware. It's
> fully up to date, and using RabbitMQ from the rabbitmq.com package
> repo:
>
> % dpkg -l |grep rabbit ii  rabbitmq-server
> 2.7.0-1                           An AMQP server written in Erlang %
> dpkg -l |grep erlang-base ii  erlang-base
> 1:13.b.3-dfsg-2ubuntu2.1          Erlang/OTP virtual machine and base
> applicat

That all looks reasonable.

> I can't see anything untoward in the rabbitmq log files,

Indeed.

> The sasl log is empty.
>
> If it's an Erlang crash, where would I go hunting for the dumps?

I doubt Erlang crashed. Instead I suspect it fell victim to Linux' OOM 
killer. Check the syslogs for clues.

Regards,

Matthias.