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Great! This is good to know that Quorum is a good solution.

Do you have a config to enable in kolla-ansible deployment?

On Thu, Jun 15, 2023 at 5:43 AM Arnaud Morin <arnaud.morin at gmail.com> wrote:

> Hey,
>
> We are also using quorum in some regions and plan to enable quorum
> everwhere.
>
> Note that we also manage to enable quorum for transient queues (using a
> custom patch as it's not doable with current oslo.messaging, see my
> request in [1]).
> We also introduced some custom changes in py-amqp to handle correctly
> the rabbit disconnections (see [2] and [3]).
>
> So far, the real improvment is achieved thanks to the combination of all
> of these changes, enabling quorum queue only was not enough for us to
> notice any improvment.
>
> The downside of quorum queues is that it consume more power on the
> rabbit cluster: you need more IO, CPU, RAM and network bandwith for the
> same number of queues (see [4]).
> It has to be taken into account.
>
> Cheers,
> Arnaud.
>
> [1]
> https://lists.openstack.org/pipermail/openstack-discuss/2023-April/033343.html
> [2] https://github.com/celery/py-amqp/pull/410
> [3] https://github.com/celery/py-amqp/pull/405
> [4]
> https://plik.ovh/file/nHCny7psDCTrEm76/Pq9ASO9wUd8HRk4C/s_1686817000.png
>
>
>
> On 13.06.23 - 09:14, Sa Pham wrote:
> > Dear Khôi,
> >
> > Thanks for your reply.
> >
> >
> >
> > On Tue, Jun 13, 2023 at 9:05 AM Nguyễn Hữu Khôi <
> nguyenhuukhoinw at gmail.com>
> > wrote:
> >
> > > Hello.
> > > Firstly, when I used the classic queue and sometimes, my rabbitmq
> cluster
> > > was broken, the computers showed state down and I needed to restart the
> > > computer service to make it up. Secondly, 1 of 3 controller is down
> but my
> > > system still works although it is not very first as fully controller.
> I ran
> > > it for about 3 months compared with classic. My openstack is Yoga and
> use
> > > Kolla-Ansible as a  deployment tool,
> > > Nguyen Huu Khoi
> > >
> > >
> > > On Tue, Jun 13, 2023 at 8:43 AM Sa Pham <saphi070 at gmail.com> wrote:
> > >
> > >> Hi Khôi,
> > >>
> > >> Why do you say using the quorum queue is more stable than the classic
> > >> queue ?
> > >>
> > >> Thanks,
> > >>
> > >>
> > >>
> > >> On Tue, Jun 13, 2023 at 7:26 AM Nguyễn Hữu Khôi <
> > >> nguyenhuukhoinw at gmail.com> wrote:
> > >>
> > >>> Hello Huettner,
> > >>> I have used the quorum queue since March and it is ok until now. It
> > >>> looks more stable than the classic queue.  Some feedback to you.
> > >>> Thank you.
> > >>> Nguyen Huu Khoi.
> > >>>
> > >>>
> > >>>
> > >>> On Mon, May 8, 2023 at 1:14 PM Felix Hüttner
> <felix.huettner at mail.schwarz>
> > >>> wrote:
> > >>>
> > >>>> Hi Nguyen,
> > >>>>
> > >>>>
> > >>>>
> > >>>> we are using quorum queues for one of our deployments. So fare we
> did
> > >>>> not have any issue with them. They also seem to survive restarts
> without
> > >>>> issues (however reply queues are still broken afterwards in a small
> amount
> > >>>> of cases, but they are no quorum/mirrored queues anyway).
> > >>>>
> > >>>>
> > >>>>
> > >>>> So I would recommend them for everyone that creates a new cluster.
> > >>>>
> > >>>>
> > >>>>
> > >>>> --
> > >>>>
> > >>>> Felix Huettner
> > >>>>
> > >>>>
> > >>>>
> > >>>> *From:* Nguyễn Hữu Khôi <nguyenhuukhoinw at gmail.com>
> > >>>> *Sent:* Saturday, May 6, 2023 4:29 AM
> > >>>> *To:* OpenStack Discuss <openstack-discuss at lists.openstack.org>
> > >>>> *Subject:* [OPENSTACK][rabbitmq] using quorum queues
> > >>>>
> > >>>>
> > >>>>
> > >>>> Hello guys.
> > >>>>
> > >>>> IS there any guy who uses the quorum queue for openstack? Could you
> > >>>> give some feedback to compare with classic queue?
> > >>>>
> > >>>> Thank you.
> > >>>>
> > >>>> Nguyen Huu Khoi
> > >>>>
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> > >>>>
> > >>>> Hinweise zum Datenschutz finden Sie hier
> > >>>> <https://www.datenschutz.schwarz>.
> > >>>>
> > >>>>
> > >>>> This e-mail may contain confidential content and is intended only
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> > >>>> If you are not the intended recipient, please inform the sender
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> > >>>>
> > >>>
> > >>
> > >> --
> > >> Sa Pham Dang
> > >> Skype: great_bn
> > >> Phone/Telegram: 0986.849.582
> > >>
> > >>
> > >>
> >
> > --
> > Sa Pham Dang
> > Skype: great_bn
> > Phone/Telegram: 0986.849.582
>
>
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