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Re: Issues with RabbitMQ update

 

Thanks!

> Do you know easy way to do it?
Yes. I do this soon.




On Thu, Mar 27, 2014 at 3:30 PM, Lukasz Oles <loles@xxxxxxxxxxxx> wrote:

> hi, comments inline
>
>
> On Thu, Mar 27, 2014 at 10:50 AM, Vladimir Sharshov <
> vsharshov@xxxxxxxxxxxx> wrote:
>>
>> I try to reproduce problem with new rabbitmq from this email and all
>> works fine without any delay with 7 astute workers.
>>
>> I think we should build ISO with new RabbitMQ and ttl fixes (today i
>> spend time to reinvestigate already solved problem with ttl).
>>
> Do you know easy way to do it?
>
>>
>> Several questions for you:
>>
>>    - does this problem repeat only in HA-case
>>    https://bugs.launchpad.net/fuel/+bug/1278336 ?
>>
>> No, I'm testing it by adding two nodes to cluster and pressing "Verify
> netoworks' in Netowork Tab. I'm waiting 10 min to see results on GUI.
>
>>
>>    - does problem repeat every time or episodically?
>>
>> Almost every time. Once it worked, with 2 astute workers, but after
> restart it stopped to work.
>
>>
>>    - does this problem affect 'generate diagnostic snapshot'  (it take
>>    much longer time)?
>>
>> I don't know. I tested it on 4.1 branch. I will repeat tests on trunk
> version.
>
>
>> I use simple CentOS cluster (1 controller + 1 compute) and 'generate
>> diagnostic snapshot', because a few month ago in this cases UI
>> have significant delays. As result — all work without delay. Now try with
>> HA.
>>
>>
>> On Tue, Mar 25, 2014 at 3:41 PM, Mike Scherbakov <
>> mscherbakov@xxxxxxxxxxxx> wrote:
>>
>>> Great findings, Lukasz!
>>>
>>> Adding larger audience of fuel-dev..
>>>
>>>
>>> On Tue, Mar 25, 2014 at 3:37 PM, Lukasz Oles <loles@xxxxxxxxxxxx> wrote:
>>>
>>>> Vladimir,
>>>>
>>>> there is no ISO, just install newest rabbitmq. I attached rpm package
>>>> for centos.
>>>>
>>>> I have done some more investigation and number of workers actually
>>>> doesn't matter. It just gives random results, but I think I found solution.
>>>>
>>>> Naily is using asynchronous library to communicate with Rabbitmq. It
>>>> uses amqp library which uses EventMachine. In Naily event loop is running
>>>> in main thread but consumer is running in another and publisher in yet
>>>> another thread.
>>>>
>>>> To solve the problem with hanging I moved the code for publisher and
>>>> consumer to EM::next_tick block. After this everything is working again
>>>> now.
>>>> EM::next_tick does two things. First, it schedules code to run in next
>>>> event loop iteration. Second it runs this code in event loop thread. I'm
>>>> not sure which of this things helps.
>>>> Debugging async code in threads is really hard. Why in the first place
>>>> Naily is using async library?
>>>>
>>>> What do you think about it? Maybe it would be better just move to
>>>> synchronous library like bunny?
>>>>
>>>> Please remember I'm not ruby programmer so I can be missing something
>>>> here.
>>>>
>>>> Regards
>>>>
>>>>
>>>> On Tue, Mar 25, 2014 at 10:42 AM, Vladimir Sharshov <
>>>> vsharshov@xxxxxxxxxxxx> wrote:
>>>>
>>>>> Guys, please share link to ISO. Without it i could not say anything
>>>>> useful about potencial problem with naily. Thanks!
>>>>>
>>>>>
>>>>> On Mon, Mar 24, 2014 at 4:34 PM, Andrey Danin <adanin@xxxxxxxxxxxx>wrote:
>>>>>
>>>>>> A huge ttl value was set in order to allow nodes with unsynchronized
>>>>>> time be able to use mcollective. if a master node has a local time more
>>>>>> than 6000 seconds in past in comparison with target nodes, these target
>>>>>> nodes will not be able to answer via mcollective.
>>>>>>
>>>>>>
>>>>>> On Mon, Mar 24, 2014 at 2:07 PM, Vladimir Sharshov <
>>>>>> vsharshov@xxxxxxxxxxxx> wrote:
>>>>>>
>>>>>>> Hi all!
>>>>>>>
>>>>>>> > When I changed number of workers in naily from 3 to 2 everything
>>>>>>> started to work
>>>>>>> At now moment we increase this value to 7 as i remember. What about
>>>>>>> shared connection - at now moment it works without any issues. Due to this
>>>>>>> limitation only 2 clients in new version looks very strange.
>>>>>>>
>>>>>>> Please share link to iso, i try to reproduce and investigate this
>>>>>>> problem. Thanks!
>>>>>>>
>>>>>>>
>>>>>>> On Wed, Mar 19, 2014 at 1:36 PM, Mike Scherbakov <
>>>>>>> mscherbakov@xxxxxxxxxxxx> wrote:
>>>>>>>
>>>>>>>> Vladimir - I think you've been working with Naily workers, any
>>>>>>>> thoughts on the issue?
>>>>>>>>
>>>>>>>>
>>>>>>>> On Wed, Mar 19, 2014 at 1:04 PM, Andrey Korolyov <
>>>>>>>> akorolev@xxxxxxxxxxxx> wrote:
>>>>>>>>
>>>>>>>>> On 03/19/2014 12:52 PM, Dmitry Pyzhov wrote:
>>>>>>>>> > + more guys.
>>>>>>>>> >
>>>>>>>>> >
>>>>>>>>> > On Wed, Mar 19, 2014 at 12:10 PM, Lukasz Oles <
>>>>>>>>> loles@xxxxxxxxxxxx
>>>>>>>>> > <mailto:loles@xxxxxxxxxxxx>> wrote:
>>>>>>>>> >
>>>>>>>>> >     Hello guys,
>>>>>>>>> >
>>>>>>>>> >     After a lot of testing and debugging finally I have
>>>>>>>>> something to share.
>>>>>>>>> >
>>>>>>>>> >     First change is in mcollective settings. In
>>>>>>>>> >     /etc/mcollective/server.cfg value  ttl = 2000000000 is too
>>>>>>>>> big.
>>>>>>>>> >     Rabbitmq returns error. I changed it to 6000, without this
>>>>>>>>> >     mcollective will not work.
>>>>>>>>>
>>>>>>>>> The problem is not in value itself but in way how rmq drivers
>>>>>>>>> pushes it.
>>>>>>>>> Somehow it turns as a *concatenation* of default value around 10k
>>>>>>>>> and
>>>>>>>>> this one, which is definitely too large for first one`
>>>>>>>>> concatenation
>>>>>>>>> result. Just remove this value entirely as I did before from the
>>>>>>>>> config,
>>>>>>>>> three hours are acceptable enough.
>>>>>>>>> >
>>>>>>>>> >     Another problem is with task status update. In my tests it
>>>>>>>>> hangs for
>>>>>>>>> >     about 10 minutes. After that task is updated. Unfortunately
>>>>>>>>> it's not
>>>>>>>>> >     a problem with python but with naily. When I changed number
>>>>>>>>> of
>>>>>>>>> >     workers in naily from 3 to 2 everything started to work. I
>>>>>>>>> think
>>>>>>>>> >     it's because all thread are using the same connection and
>>>>>>>>> chanel to
>>>>>>>>> >     publish results but I'm still investigating it.
>>>>>>>>> >
>>>>>>>>> >     Regards
>>>>>>>>> >
>>>>>>>>> >
>>>>>>>>> >     On Thu, Mar 13, 2014 at 12:38 PM, Dmitry Pyzhov
>>>>>>>>> >     <dpyzhov@xxxxxxxxxxxx <mailto:dpyzhov@xxxxxxxxxxxx>> wrote:
>>>>>>>>> >
>>>>>>>>> >         Lukasz,
>>>>>>>>> >
>>>>>>>>> >         Feel free to contact us if you need anything else.
>>>>>>>>> >
>>>>>>>>> >
>>>>>>>>> >         On Thu, Mar 13, 2014 at 3:22 PM, Lukasz Oles <
>>>>>>>>> loles@xxxxxxxxxxxx
>>>>>>>>> >         <mailto:loles@xxxxxxxxxxxx>> wrote:
>>>>>>>>> >
>>>>>>>>> >             ok, thx for rpm
>>>>>>>>> >
>>>>>>>>> >
>>>>>>>>> >             On Thu, Mar 13, 2014 at 11:40 AM, Dmitry Burmistrov
>>>>>>>>> >             <dburmistrov@xxxxxxxxxxxx <mailto:
>>>>>>>>> dburmistrov@xxxxxxxxxxxx>>
>>>>>>>>> >             wrote:
>>>>>>>>> >
>>>>>>>>> >                 Package rabbitmq-server has been built from
>>>>>>>>> changeset:
>>>>>>>>> >                 http://gerrit.mirantis.com/13455
>>>>>>>>> >                 RPM Repository URL:
>>>>>>>>> >                 http:///
>>>>>>>>> osci-obs.vm.mirantis.net:82/centos-fuel-5.0-stable-13455/centos
>>>>>>>>> >                 <
>>>>>>>>> http://osci-obs.vm.mirantis.net:82/centos-fuel-5.0-stable-13455/centos
>>>>>>>>> >
>>>>>>>>> >
>>>>>>>>> >                 Package rabbitmq-server has been built from
>>>>>>>>> changeset:
>>>>>>>>> >                 http://gerrit.mirantis.com/13457
>>>>>>>>> >                 DEB Repository URL:
>>>>>>>>> >                 http:///
>>>>>>>>> osci-obs.vm.mirantis.net:82/ubuntu-fuel-5.0-stable-13457/ubuntu
>>>>>>>>> >                 <
>>>>>>>>> http://osci-obs.vm.mirantis.net:82/ubuntu-fuel-5.0-stable-13457/ubuntu
>>>>>>>>> >
>>>>>>>>> >
>>>>>>>>> >                 On Thu, Mar 13, 2014 at 2:11 PM, Dmitry Pyzhov
>>>>>>>>> >                 <dpyzhov@xxxxxxxxxxxx <mailto:
>>>>>>>>> dpyzhov@xxxxxxxxxxxx>> wrote:
>>>>>>>>> >                 > Lukasz,
>>>>>>>>> >                 >
>>>>>>>>> >                 > Sorry for long response. Our OSCI team will
>>>>>>>>> build a
>>>>>>>>> >                 package. Dmitry B, could
>>>>>>>>> >                 > you reply with the download link when it is
>>>>>>>>> available?
>>>>>>>>> >                 Ticket OSCI-1016.
>>>>>>>>> >                 >
>>>>>>>>> >                 >
>>>>>>>>> >                 > On Wed, Mar 12, 2014 at 2:18 PM, Lukasz Oles
>>>>>>>>> >                 <loles@xxxxxxxxxxxx <mailto:loles@xxxxxxxxxxxx>>
>>>>>>>>> wrote:
>>>>>>>>> >                 >>
>>>>>>>>> >                 >> Sure, I will look into it. Can you give me a
>>>>>>>>> link to
>>>>>>>>> >                 rabbitmq rpm which
>>>>>>>>> >                 >> you used?
>>>>>>>>> >                 >>
>>>>>>>>> >                 >> Regards,
>>>>>>>>> >                 >>
>>>>>>>>> >                 >>
>>>>>>>>> >                 >> On Wed, Mar 12, 2014 at 11:10 AM, Dmitry
>>>>>>>>> Pyzhov
>>>>>>>>> >                 <dpyzhov@xxxxxxxxxxxx <mailto:
>>>>>>>>> dpyzhov@xxxxxxxxxxxx>>
>>>>>>>>> >                 >> wrote:
>>>>>>>>> >                 >>>
>>>>>>>>> >                 >>> Lukasz,
>>>>>>>>> >                 >>>
>>>>>>>>> >                 >>> actually we have no idea what is wrong with
>>>>>>>>> fresh
>>>>>>>>> >                 rabbitmq. For some
>>>>>>>>> >                 >>> reason refresh of task status takes too much
>>>>>>>>> time.
>>>>>>>>> >                 Dmitry tried to find the
>>>>>>>>> >                 >>> root cause, but did not succeed. Could you
>>>>>>>>> >                 investigate the issue?
>>>>>>>>> >                 >>>
>>>>>>>>> >                 >>>
>>>>>>>>> >                 >>> On Tue, Mar 11, 2014 at 9:49 PM, Lukasz Oles
>>>>>>>>> >                 <loles@xxxxxxxxxxxx <mailto:loles@xxxxxxxxxxxx>>
>>>>>>>>> wrote:
>>>>>>>>> >                 >>>>
>>>>>>>>> >                 >>>> Dmitry,
>>>>>>>>> >                 >>>>
>>>>>>>>> >                 >>>> rabbitmq update looks interesting, I can
>>>>>>>>> look into
>>>>>>>>> >                 it. Do I need any
>>>>>>>>> >                 >>>> additional information?
>>>>>>>>> >                 >>>>
>>>>>>>>> >                 >>>> regards,
>>>>>>>>> >                 >>>>
>>>>>>>>> >                 >>>>
>>>>>>>>> >                 >>>> On Tue, Mar 11, 2014 at 2:05 PM, Dmitry
>>>>>>>>> Pyzhov
>>>>>>>>> >                 <dpyzhov@xxxxxxxxxxxx <mailto:
>>>>>>>>> dpyzhov@xxxxxxxxxxxx>>
>>>>>>>>> >                 >>>> wrote:
>>>>>>>>> >                 >>>>>
>>>>>>>>> >                 >>>>> Great!
>>>>>>>>> >                 >>>>>
>>>>>>>>> >                 >>>>> Lukasz, could you help us with rabbitmq
>>>>>>>>> update? We
>>>>>>>>> >                 faced an issue with
>>>>>>>>> >                 >>>>> it:
>>>>>>>>> https://bugs.launchpad.net/fuel/+bug/1278336
>>>>>>>>> >                 >>>>>
>>>>>>>>> >                 >>>>> Also, could you participate it design
>>>>>>>>> review:
>>>>>>>>> >                 >>>>>
>>>>>>>>> >
>>>>>>>>> https://docs.google.com/document/d/1zqV58LZBLQ-0gllb_i3MyIKIMj-Qx8ELJohjcWs459s/edit?usp=sharing
>>>>>>>>> >                 >>>>>
>>>>>>>>> >                 >>>>>
>>>>>>>>> >                 >>>>> On Mon, Mar 10, 2014 at 9:01 PM, Mike
>>>>>>>>> Scherbakov
>>>>>>>>> >                 >>>>> <mscherbakov@xxxxxxxxxxxx
>>>>>>>>> >                 <mailto:mscherbakov@xxxxxxxxxxxx>> wrote:
>>>>>>>>> >                 >>>>>>
>>>>>>>>> >                 >>>>>> Lukasz,
>>>>>>>>> >                 >>>>>> please take any bugs from
>>>>>>>>> >                 https://launchpad.net/fuel/+milestone/5.0
>>>>>>>>> >                 >>>>>> which are not assigned to particular
>>>>>>>>> person. You
>>>>>>>>> >                 are likely to be interested
>>>>>>>>> >                 >>>>>> in those which are assigned to
>>>>>>>>> "fuel-python". Of
>>>>>>>>> >                 course, it's preferred to
>>>>>>>>> >                 >>>>>> work on Critical and High priority bugs
>>>>>>>>> in a
>>>>>>>>> >                 first order.
>>>>>>>>> >                 >>>>>>
>>>>>>>>> >                 >>>>>> We are in a design phase for 5.0. Please
>>>>>>>>> take a
>>>>>>>>> >                 look at
>>>>>>>>> >                 >>>>>>
>>>>>>>>> >
>>>>>>>>> https://mirantis.jira.com/wiki/display/PRD/5.0+-+Mirantis+OpenStack+release+home+page
>>>>>>>>> .
>>>>>>>>> >                 >>>>>> I'm discussing this still with
>>>>>>>>> management, and we
>>>>>>>>> >                 will likely have only part
>>>>>>>>> >                 >>>>>> of what is on the page. Your comments and
>>>>>>>>> input
>>>>>>>>> >                 into design docs (which you
>>>>>>>>> >                 >>>>>> can find following blueprint link, then
>>>>>>>>> "Read the
>>>>>>>>> >                 full spec") is very
>>>>>>>>> >                 >>>>>> welcome.
>>>>>>>>> >                 >>>>>>
>>>>>>>>> >                 >>>>>> Start looking over and try to identify
>>>>>>>>> spot which
>>>>>>>>> >                 is in most interest
>>>>>>>>> >                 >>>>>> of you. Dmitry/Evgeny will help to
>>>>>>>>> identify areas
>>>>>>>>> >                 where help is mostly
>>>>>>>>> >                 >>>>>> needed. Sorry for not responding to you
>>>>>>>>> in time.
>>>>>>>>> >                 I'll get my team to fix
>>>>>>>>> >                 >>>>>> this.
>>>>>>>>> >                 >>>>>>
>>>>>>>>> >                 >>>>>> FYI: Today is holiday in Russia & Ukraine
>>>>>>>>> >                 >>>>>> Thanks,
>>>>>>>>> >                 >>>>>>
>>>>>>>>> >                 >>>>>>
>>>>>>>>> >                 >>>>>> On Thu, Mar 6, 2014 at 12:37 AM, Mike
>>>>>>>>> Scherbakov
>>>>>>>>> >                 >>>>>> <mscherbakov@xxxxxxxxxxxx
>>>>>>>>> >                 <mailto:mscherbakov@xxxxxxxxxxxx>> wrote:
>>>>>>>>> >                 >>>>>>>
>>>>>>>>> >                 >>>>>>> It's great. I would be happy to see
>>>>>>>>> Lukasz
>>>>>>>>> >                 working on Fuel.
>>>>>>>>> >                 >>>>>>> Actually, Lukasz already doing great job
>>>>>>>>> helping
>>>>>>>>> >                 us with Nailgun
>>>>>>>>> >                 >>>>>>> scalability issues resolution.
>>>>>>>>> >                 >>>>>>>
>>>>>>>>> >                 >>>>>>> Dmitry, please arrange meeting between
>>>>>>>>> our
>>>>>>>>> >                 Python engineers and
>>>>>>>>> >                 >>>>>>> Lukasz, and identify areas where
>>>>>>>>> contribution of
>>>>>>>>> >                 Lukasz will be the most
>>>>>>>>> >                 >>>>>>> effective. It should be aligned with the
>>>>>>>>> >                 development of our engineers too.
>>>>>>>>> >                 >>>>>>>
>>>>>>>>> >                 >>>>>>> Thanks,
>>>>>>>>> >                 >>>>>>>
>>>>>>>>> >                 >>>>>>>
>>>>>>>>> >                 >>>>>>> On Tue, Mar 4, 2014 at 3:27 PM, Piotr
>>>>>>>>> Siwczak
>>>>>>>>> >                 <psiwczak@xxxxxxxxxxxx <mailto:
>>>>>>>>> psiwczak@xxxxxxxxxxxx>>
>>>>>>>>> >                 >>>>>>> wrote:
>>>>>>>>> >                 >>>>>>>>
>>>>>>>>> >                 >>>>>>>> Mike,
>>>>>>>>> >                 >>>>>>>>
>>>>>>>>> >                 >>>>>>>> For now I see Lukasz has finished his
>>>>>>>>> work for
>>>>>>>>> >                 Softlayer/Express (at
>>>>>>>>> >                 >>>>>>>> least for the next few weeks)and can
>>>>>>>>> use his
>>>>>>>>> >                 time to engage into Fuel
>>>>>>>>> >                 >>>>>>>> development. Please feel free to assign
>>>>>>>>> him to
>>>>>>>>> >                 Fuel tasks.
>>>>>>>>> >                 >>>>>>>>
>>>>>>>>> >                 >>>>>>>> -Piotr
>>>>>>>>> >                 >>>>>>>
>>>>>>>>> >                 >>>>>>>
>>>>>>>>> >                 >>>>>>>
>>>>>>>>> >                 >>>>>>>
>>>>>>>>> >                 >>>>>>> --
>>>>>>>>> >                 >>>>>>> Mike Scherbakov
>>>>>>>>> >                 >>>>>>> #mihgen
>>>>>>>>> >                 >>>>>>
>>>>>>>>> >                 >>>>>>
>>>>>>>>> >                 >>>>>>
>>>>>>>>> >                 >>>>>>
>>>>>>>>> >                 >>>>>> --
>>>>>>>>> >                 >>>>>> Mike Scherbakov
>>>>>>>>> >                 >>>>>> #mihgen
>>>>>>>>> >                 >>>>>
>>>>>>>>> >                 >>>>>
>>>>>>>>> >                 >>>>
>>>>>>>>> >                 >>>>
>>>>>>>>> >                 >>>>
>>>>>>>>> >                 >>>> --
>>>>>>>>> >                 >>>> Łukasz Oleś
>>>>>>>>> >                 >>>
>>>>>>>>> >                 >>>
>>>>>>>>> >                 >>
>>>>>>>>> >                 >>
>>>>>>>>> >                 >>
>>>>>>>>> >                 >> --
>>>>>>>>> >                 >> Łukasz Oleś
>>>>>>>>> >                 >
>>>>>>>>> >                 >
>>>>>>>>> >
>>>>>>>>> >
>>>>>>>>> >
>>>>>>>>> >
>>>>>>>>> >             --
>>>>>>>>> >             Łukasz Oleś
>>>>>>>>> >
>>>>>>>>> >
>>>>>>>>> >
>>>>>>>>> >
>>>>>>>>> >
>>>>>>>>> >     --
>>>>>>>>> >     Łukasz Oleś
>>>>>>>>> >
>>>>>>>>> >
>>>>>>>>> > --
>>>>>>>>> > You received this message because you are subscribed to the
>>>>>>>>> Google
>>>>>>>>> > Groups "fuel-core-team" group.
>>>>>>>>> > To unsubscribe from this group and stop receiving emails from
>>>>>>>>> it, send
>>>>>>>>> > an email to fuel-core-team+unsubscribe@xxxxxxxxxxxx
>>>>>>>>> > <mailto:fuel-core-team+unsubscribe@xxxxxxxxxxxx>.
>>>>>>>>> > For more options, visit
>>>>>>>>> https://groups.google.com/a/mirantis.com/d/optout.
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> You received this message because you are subscribed to the Google
>>>>>>>>> Groups "fuel-core-team" group.
>>>>>>>>> To unsubscribe from this group and stop receiving emails from it,
>>>>>>>>> send an email to fuel-core-team+unsubscribe@xxxxxxxxxxxx.
>>>>>>>>> For more options, visit
>>>>>>>>> https://groups.google.com/a/mirantis.com/d/optout.
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Mike Scherbakov
>>>>>>>> #mihgen
>>>>>>>>
>>>>>>>
>>>>>>>  --
>>>>>>> You received this message because you are subscribed to the Google
>>>>>>> Groups "fuel-core-team" group.
>>>>>>> To unsubscribe from this group and stop receiving emails from it,
>>>>>>> send an email to fuel-core-team+unsubscribe@xxxxxxxxxxxx.
>>>>>>> For more options, visit
>>>>>>> https://groups.google.com/a/mirantis.com/d/optout.
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Andrey Danin
>>>>>> adanin@xxxxxxxxxxxx
>>>>>> skype: gcon.monolake
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Łukasz Oleś
>>>>
>>>
>>>
>>>
>>> --
>>> Mike Scherbakov
>>> #mihgen
>>>
>>
>>
>
>
> --
> Łukasz Oleś
>

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