[Gluster-infra] Reducing the number of builders in the cage

[Nigel Babu]

I think it might we worth pulling out some utilization numbers to see how
many to pull. If we can get the freebsd builder working, that would
eliminate the need to run it on rackspace and having two of them would
increase the speed at which we process the smoke queue.

On Mon, Oct 15, 2018 at 5:32 PM Michael Scherer <mscherer at redhat.com> wrote:

> Le lundi 15 octobre 2018 à 15:29 +0530, Sankarshan Mukhopadhyay a
> écrit :
> > On Mon, Oct 15, 2018 at 3:19 PM Michael Scherer <mscherer at redhat.com>
> > wrote:
> >
> > > so we currently have 50 builders in the cage, and I think that's
> > > too
> > > much. While that's not a huge issue, having too much VMs do cause
> > > slowdown on ansible, consume ressources for nothing (disk space,
> > > CPU,
> > > bw). When I look on the graph on https://munin.gluster.org/ , there
> > > isn't much load.
> > >
> > > So I would like to start remove some of them and see how that go.
> >
> > What is the value of this "some of them"? 10%, 20% ...
>
> It depend on the builders, but I think i would remove 10% for a start,
> so around 4.
>
> Now, not all builders are equal, I am not gonna remove the debian nor
> the freebsd one, of course.
>
> I think the easiest would be to mark them offline in jenkins, see if
> that create issues (such as the queue becoming large), and if nothing
> happen, remove them.
>
> AFAIK, thoses are mostly here for smoke tests, format, warnings, etc.
> So fast jobs.
> --
> Michael Scherer
> Sysadmin, Community Infrastructure and Platform, OSAS
>
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-- 
nigelb
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