Open Stack

We are not using kolla on our side, sorry

Le 18 juin 2023 04:04:39 GMT+02:00, Satish Patel <satish.txt at gmail.com> a écrit :
>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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>> > >>>
>> > >>
>> > >> --
>> > >> 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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