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Yes, fully agree with Graham. I do rabbitmqctl queue_purge notifications.*
In cron every hour + add policy to remove them after 1 min...

Also double check other queues:
rabbitmqctl list_qeues | awk '{if($2>5)print $0}' or smth like that.

On Mon, 21 Oct 2019, 20:17 Graham Hayes, <gr at ham.ie> wrote:

> On 21/10/2019 17:54, Albert Braden wrote:
> > I installed the RMQ management plugin in my dev and qa clusters and
> > noticed a queue called notifications.info that has 0 consumers:
> >
> >
> >
> > root at us01odc-qa-ctrl1:~# rabbitmqctl list_queues|grep notific
> >
> > notifications.info      15496
> >
> >
> >
> > If I cold-start RMQ it starts without a notifications.info queue but
> > after I create a VM it appears with 1 or 2 messages and then gradually
> > grows over time. The messages in it appear to be Openstack operations:
> <snip/>
> >
> >
> > I didn’t install the management plugin in prod, but it appears that I
> > have the same issue there:
> >
> >
> >
> > root at us01odc-p01-ctrl1:~# rabbitmqctl list_queues|grep notific
> >
> > notifications.info      226869
> >
> >
> >
> > What should be consuming the notifications.info queue?
>
> Usually something like ceilometer or other telemetry projects,
> or projects like Designate and searchlight that don't always have hooks
> into nova or neutron, or custom tooling.
>
> If nothing is consuming them,. you can either set the ttl on the
> RMQ queue [1] to something small (just in case you want to look at them)
> or disable them [2]
>
> >
> >
> >
> >
> >
> 1 - https://www.rabbitmq.com/ttl.html
> 2 - e.g. in Nova
> https://docs.openstack.org/nova/latest/reference/notifications.html
>
>
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