Sidnei da Silva wrote:
> On Thu, Oct 8, 2009 at 5:40 PM, Bjorn Tillenius <[email protected]> wrote:
>> Just to clarify. The reason I'm asking these question is that we should
>> think carefully before adding another moving part. Foundations team has
>> to do the initial setup, which requires time from LOSAs. Then the Code
>> team has to take what Foundations did and integrate it with their work.
>> I'm a strong believer in kiko's rule of software engineering: It will
>> never work the first time. So this means even more work for Foundations,
>> Code, and LOSAs. Will all these teams have time to take on this kind of
>> work, given their current priorities?
>>
>> Also, this adds another thing for the LOSAs to run and maintain. What
>> happens if there's something wrong with the RabbitMQ server (software or
>> hardware). Do we run multiple servers to avoid Launchpad stop working if
>> one server fails?
>>
>> These are all questions I'd like us to answer before committing to
>> anything. Maybe these question have been answered already, but I haven't
>> been involved in the discussion, so I don't know.
> 
> There's some shared knowledge within the company about RabbitMQ in general.
> 
> There was a Messaging Sprint back in March(?) where Muharem
> participated, along with Gustavo for the Landscape team and Steve
> Alexander. I don't remember who else was there, but there are notes in
> the wiki about what was discussed.

Yes, the notes are here:

  - https://wiki.canonical.com/canonical-mq/
  - https://wiki.canonical.com/canonical-mq/Sprints/2009-03-18/report

> Both Landscape and Ubuntu One are running RabbitMQ in production
> successfully. We particularly haven't had any issues so far.
> 
> I would definitely recommend moving forward with adopting RabbitMQ,
> but it is critical that some cross-team discussion happens such that
> existing knowledge and specifications are shared.

My feelings exactly.

Best regards

-- 
Muharem Hrnjadovic <[email protected]>
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