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<  RabbitMQ mailing list  ~  RabbitMQ randomly dying under Ubuntu 9.04

Guest
Posted: Fri Oct 16, 2009 3:12 pm Reply with quote
Guest
How can i debug a rabbitmq server that randomly dies/stops accepting connections? I'm running off ubuntu and installed via apt-get. Usually when restarting, it's the persister that won't restart. The current solution is to delete the contents of /var/lib/rabbmq, but that feels like a hack and not a solution.

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Guest
Posted: Mon Oct 19, 2009 3:06 pm Reply with quote
Guest
Tim,

Tim Rosenblatt wrote:
> How can i debug a rabbitmq server that randomly dies/stops accepting
> connections? I'm running off ubuntu and installed via apt-get. Usually
> when restarting, it's the persister that won't restart. The current
> solution is to delete the contents of /var/lib/rabbmq, but that feels
> like a hack and not a solution.

I recommend running 'rabbitmqctl list_queues' to get an idea of how many
messages are in the queues. You are probably feeding rabbit with more
messages than it can stomach.


Regards,

Matthias.

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Guest
Posted: Fri Oct 23, 2009 10:59 am Reply with quote
Guest
Hey Matthias, thanks for the comment. The queues are small, usually 5-15k items, never more than 50k. I seem to be getting a lot less errors since I've decreased the number of workers connecting to RabbitMQ. 12 seems to be OK, 20 does not. Any suggestions on how to increase this limit, as I'm going to have to add workers as this project grows.

-- Tim

On Mon, Oct 19, 2009 at 11:06 AM, Matthias Radestock <matthias@lshift.net (matthias@lshift.net)> wrote:
Quote:
Tim,


Tim Rosenblatt wrote:
> How can i debug a rabbitmq server that randomly dies/stops accepting
> connections? I'm running off ubuntu and installed via apt-get. Usually
> when restarting, it's the persister that won't restart. The current
> solution is to delete the contents of /var/lib/rabbmq, but that feels
> like a hack and not a solution.



I recommend running 'rabbitmqctl list_queues' to get an idea of how many
messages are in the queues. You are probably feeding rabbit with more
messages than it can stomach.


Regards,

Matthias.



--
Tim Rosenblatt
Cloudspace
Office: 407-823-8808
Cell: 407-719-2777

10244 E Colonial Dr, Suite 106
Orlando, FL 32817

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Guest
Posted: Fri Oct 23, 2009 11:02 am Reply with quote
Guest
Hi Tim,

On Fri, Oct 23, 2009 at 06:58:01AM -0400, Tim Rosenblatt wrote:
> Hey Matthias, thanks for the comment. The queues are small, usually 5-15k
> items, never more than 50k. I seem to be getting a lot less errors since
> I've decreased the number of workers connecting to RabbitMQ. 12 seems to be
> OK, 20 does not. Any suggestions on how to increase this limit, as I'm going
> to have to add workers as this project grows.

What kind of throughput rates are you using, how big are your messages
and are you using any sort of persistence? Also, what kind of error
messages do you see when clients are trying to connect?

Matthew

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