Yes.
On Wed, Nov 4, 2015 at 2:21 AM, Ihar Hrachyshka <ihrachys(a)redhat.com> wrote:
Matt Kassawara <mkassawara(a)gmail.com> wrote:
I agree that *-paste.ini files should remain static. Keystone contains the
> only one that we need to edit (for security reasons) and the patch to move
> this configuration out of keystone-paste.ini needs attention from the
> keystone project. As for the installation guide, I prefer to unify the
> documentation for editing keystone-paste.ini for all distributions.
> Furthermore, our audience (mostly new users) likely feels more confident
> about editing files that reside in a less "intimidating" location such as
> /etc/$service.
>
> Best I can tell, neutron (and all other services) separate "mandatory"
> message queue access (the 'rpc_backend' option) from notification access
> because the latter only pertains to deployments with a consumer for
> notifications such as ceilometer. Without a consumer, notification queues
> pile up and lead to stability problems. Hence, the 'notification_driver'
> option defaults to a blank value that essentially disables such
> notifications. The upstream configuration file comments this option out and
> installation guide doesn't explicitly configure it which means neutron uses
> the value of 'notification_driver' from the neutron-dist.conf file and
> sends notifications to a queue without a consumer. While I'm thinking about
> it, I'm trying to determine the source of a memory leak (or strange
> increase in consumption) in my RDO Liberty environment (and prior releases)
> and should try disabling the notification driver. In comparison, my Ubuntu
> Liberty environment containing the same services and virtual resources has
> stable memory usage.
>
Do you use DHCP agent from neutron? I think it requires notification
driver to be enabled.
Ihar