[stein][neutron] l3 agent error

Slawek Kaplonski skaplons at redhat.com
Mon May 17 07:00:15 UTC 2021


Dnia poniedziaƂek, 17 maja 2021 07:43:20 CEST Ignazio Cassano pisze:
> Hello All, the l3 agent respawning error, cause neutron to fill controller
> memory and the controller stops to responding and it is fenced by the
> others.
> So the router ha move some jobs to another controller and it fills its
> memory and so on.

Do I understand correctly that You have some memory leak in the neutron? If 
so, is it in neutron-server or neutron-l3-agent? And also, if that is true, 
can You open LP bug for that and provide some more info, like how many routers 
do You have there how to maybe reproduce it, etc.

> I stopped neutron services and I cleaned HA directory under
> /var/lib/neutron.
> Restarting neutron services respawning errors disappeared but I had to
> create again some router static routes (not all).
> Probably it is a bug ?
> Ignazio
> Il Sab 15 Mag 2021, 19:41 Ignazio Cassano <ignaziocassano at gmail.com> ha
> scritto:
> > Hello Guys,
> > I've just upgraded from openstack queens to rocky and then to stein on
> > centos 7.
> > In my configuration I have router high availability.
> > After the upgrade and rebooting each controller one by one I get the
> > following errors on all my 3 controllers under /var/log/neutron/l3-
> > 
> > http://paste.openstack.org/show/805407/
> > 
> > If I run openstack router show for for one of uuid in the log:
> > http://paste.openstack.org/show/805408/
> > 
> > Namespace for router in present on all 3 controllers.
> > After the controllers reboot,some routers lost their routing tables, but
> > restarting l3-agent they went ok.
> > Is it possible router ha stopped working?
> > Any idea,please ?
> > Ignazio

Slawek Kaplonski
Principal Software Engineer
Red Hat
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