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<div class="moz-cite-prefix">Have you tried to look at the RabbitMQ
web interface to see what could be stuck ?<br>
Activating it is quite straightforward, as per Ops Guide :<br>
<a class="moz-txt-link-freetext" href="http://docs.openstack.org/trunk/openstack-ops/content/logging_monitoring.html#rabbitmq">http://docs.openstack.org/trunk/openstack-ops/content/logging_monitoring.html#rabbitmq</a><br>
<br>
-Sylvain<br>
<br>
<br>
Le 12/04/2013 17:48, Lowery, Mathew a écrit :<br>
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<div>Hi all,</div>
<div><br>
</div>
<div>I am using OpenStack Folsom with nova-network. In the logs
I observed some RPC call timeouts during
associate_floating_ip. I assume the timeout is actually a
timeout experienced by RabbitMQ when trying to push the
associate_floating_ip message to a chosen consumer and not a
timeout from nova.network.API when trying to publish the
associate_floating_ip message in the first place. Could this
be possible? If so, how can I tell what consumer RabbitMQ
chose (i.e. the "down" consumer)?</div>
<div><br>
</div>
<div>Furthermore, I'm seeing multiple thousands of
exchanges (associate_floating_ip was called a lot) with UUIDs
as their names. Is it possible that these exchanges were
created to receive responses from the down consumer? Who is
responsible for cleaning these exchanges up? I do see an
"auto-delete" flag set to true.</div>
<div><br>
</div>
<div>Finally, it appears that when an RPC call times out, the
original message, at least is some cases like
'network.hostname' queue, is left in place to be consumed when
a consumer is available. This seems like an odd design--if I
take corrective action in response to an RPC timeout, I don't
think I want that message processed ever.</div>
<div><br>
</div>
<div>I am somewhat new to message queues so feel free to simply
share links that might explain some of these observations.</div>
<div><br>
</div>
<div>Thanks in advance.</div>
<div>Mat</div>
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