[openstack-dev] [all] OpenStack races piling up in the gate - please stop approving patches unless they are fixing a race condition
joe.gordon0 at gmail.com
Thu Jun 5 23:04:18 UTC 2014
On Thu, Jun 5, 2014 at 3:29 PM, Kevin Benton <blak111 at gmail.com> wrote:
> Is it possible to make the depth of patches running tests in the gate very
> shallow during this high-probability of failure time? e.g. Allow only the
> top 4 to run tests and put the rest in the 'queued' state. Otherwise the
> already elevated probability of a patch failing is exacerbated by the fact
> that it gets retested every time a patch ahead of it in the queue fails.
> Such a good idea that we already do it.
The grey circles refer to patches that are in the queued state. But this
only helps us from hitting resource starvation but doesn't help us get
patches through the gate. We haven't been landing many patches this week
> Kevin Benton
> On Thu, Jun 5, 2014 at 5:07 AM, Sean Dague <sean at dague.net> wrote:
>> You may all have noticed things are really backed up in the gate right
>> now, and you would be correct. (Top of gate is about 30 hrs, but if you
>> do the math on ingress / egress rates the gate is probably really double
>> that in transit time right now).
>> We've hit another threshold where there are so many really small races
>> in the gate that they are compounding to the point where fixing one is
>> often failed by another one killing your job. This whole situation was
>> exacerbated by the fact that while the transition from HP cloud 1.0 ->
>> 1.1 was happening and we were under capacity, the check queue grew to
>> 500 with lots of stuff being approved.
>> That flush all hit the gate at once. But it also means that those jobs
>> passed in a very specific timing situation, which is different on the
>> new HP cloud nodes. And the normal statistical distribution of some jobs
>> on RAX and some on HP that shake out different races didn't happen.
>> At this point we could really use help getting focus on only recheck
>> bugs. The current list of bugs is here:
>> Also our categorization rate is only 75% so there are probably at least
>> 2 critical bugs we don't even know about yet hiding in the failures.
>> Helping categorize here -
>> would be handy.
>> We're coordinating changes via an etherpad here -
>> If you want to help, jumping in #openstack-infra would be the place to go.
>> Sean Dague
>> OpenStack-dev mailing list
>> OpenStack-dev at lists.openstack.org
> Kevin Benton
> OpenStack-dev mailing list
> OpenStack-dev at lists.openstack.org
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