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To:launchpad-dev@lists.launchpad.net From:Gary Poster Subject:Re: [Launchpad-dev] memcache errors in ec2 and buildbot -- newer python-memcached to blame? Date:Thu, 05 Apr 2012 16:51:07 -0400
 

On 03/23/12 10:07, Deryck Hodge wrote:
> On Fri, Mar 23, 2012 at 8:25 AM, Aaron Bentley<aaron@canonical.com> wrote:
>> On 12-03-23 06:20 AM, Stuart Bishop wrote:
>>> On Fri, Mar 23, 2012 at 3:57 PM, William Grant
>>> <william.grant@canonical.com> wrote:
>>
>>>> python-memcached was upgraded a week ago, so it's tempting to
>>>> revert it to see if it makes things more stable. What do people
>>>> think?
>>>
>>> The old one was very simple. Anyone recall why we upgraded it?
>>
>> I believe it was to fix this bug:
>> https://bugs.launchpad.net/launchpad/+bug/954232
>>
>
> Yeah, as Aaron notes, it was to fix an issue with the homepage for
> Launchpad borking over memcached not returning data. This was fixed
> in the recent release. I'm fine to roll back to the older release if
> we think its required, but it would be better if we could sort out
> what about the new python-memcached is causing this, if indeed it is.
>
> Like William says, it's really the only thing that has changed around
> memcached, so it seems suspect. But it also isn't happening
> consistently enough to really pin it on the upgrade, IMHO.
>
> So I guess I'm a +0 on reverting. I'd rather we could work out what's
> really going on, but in the absence of that, I'm willing to rollback
> to see if the issues go away.

I'm seeing these pretty consistently on parallel test runs. It seems to
affect both test environments. I filed bug 974632.

Gary

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