launchpad-dev team mailing list archive

[Gary Poster <gary.poster@xxxxxxxxxxxxx>]

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On 12/22/2011 03:04 PM, Francis J. Lacoste wrote:
> On 11-12-22 01:29 PM, Gary Poster wrote:
>> Alert:
>> 
>> The yellow squad has a db branch that needs to be landed asap
>> when we return (r11239 of db-stable).  We are accumulating
>> branches that depend on the new table it creates.  We'll be
>> really eager to get this deployed once we return in January (or
>> sooner if that's possible).
>> 
>> Question:
>> 
>> According to 
>> https://wiki.canonical.com/Launchpad/PolicyandProcess/ProductionChange
>>
>> 
we have a daily 0830Z window for landing patches.  My impression is that
>> we have been landing patches weekly, not daily.  Is that a
>> mistaken impression, or something specific to the pre-holiday
>> season, or an indication of mistaken documentation?
>> 
>> Concern:
>> 
>> If we deploy patches weekly, fast downtime is slow and costly for
>> the scenario of branches that rely on new tables.  We have to sit
>> on them until the table lands.  If we actually have daily
>> deployment windows, never mind: that should alleviate my
>> concern.
>> 
> 
> We do have the potential to land daily. We are deploying more on a 
> weekly basis, simply because we don't have that many DB patches to
> land lately. But there is no constraint around that. We have done
> FDT twice in some weeks (because there was demand for it).
> 
> In theory, we could have rolled-out your DB patch today or
> tomorrow morning. In practice, webops prefer to have either Rob or
> Stub around during these in case anything goes wrong. Up to now, it
> never did, but this is a safety net that is easy to honor except
> during this week because Rob and Stub are on holidays. Some webops
> are also on holidays.

OK, thanks.

Gary

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