[openstack-dev] [oslo.messaging] Why the needed version of kombu to support heartbeat is >=3.0.7

Davanum Srinivas davanum at gmail.com
Wed Oct 28 04:46:49 UTC 2015


"Bot with No reason" <<< Not really accurate. The process in openstack is
to update global requirements first and then bot proposes the update to
different projects. So please look at
https://github.com/openstack/requirements/commit/c7f69afd6af56e8f7956c6fa0bea8fd776151fe6
for the commit which updated the global requirements

Thanks,
dims

On Wed, Oct 28, 2015 at 1:07 PM, me,apporc <appleorchard2000 at gmail.com>
wrote:

> Thanks again.
>
> This kombu >=3.0.7 requirement is added in commit
> 5b9fb6980220dbfa18bac4c3231d57efb493ebf0, which is from a Bot with no
> reason.
>
>  As i see, we are directly requiring amqp >=1.4.0 in requirement.txt from
> commit 0c954cffa2f3710acafa79f01b958a8955823640 on.
> So maybe there is no need to require kombu >= 3.0.7 ?
>
> Another reason I am asking about this, in the latest centos 7 epel repo,
> the versions of these two packages are :
> python-kombu : 2.5.16-1.el7
> python-amqp : 1.4.5-1.el7
>
> I have not test whether there are problems about heartbeat with this
> version pair though.
>
> On Tue, Oct 27, 2015 at 11:02 PM, Mehdi Abaakouk <sileht at sileht.net>
> wrote:
>
>>
>> [1] seems just socket timeout issue, and admins can adjust those kernel
>>> params themselves.
>>>
>>
>> Yes, but if you trick kernel settings, like putting very low tcp
>> keepalive values, you don't need to have/enable heartbeat.
>>
>> [2] and [3] truly a problem about the heartbeat implementation, but it
>>> says
>>> the fix is a part of py-amqp 1.4.0, and the dependency with kombu was not
>>> specified.
>>> [4] is a bug of kombu's autoretry method which is said to be fixed in
>>> kombu
>>> 3.0.0, it is not directly related to heartbeat.
>>>
>>
>> As far as I can remember, this is because oslo.messaging doesn't really
>> require py-amqp but only kombu, so to ensure kombu depends of py-amqp 1.4.0
>> we have to depends on kombu 3.0.7 (that have amqp>=1.4.0 in its
>> requirements I guess).
>>
>>
>> ---
>> Mehdi Abaakouk
>> mail: sileht at sileht.net
>> irc: sileht
>>
>
>
>
> --
> Regards,
> apporc
>
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-- 
Davanum Srinivas :: https://twitter.com/dims
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