Re: Giving back to a particular buildd
On Mon, Jun 28, 2010 at 11:26:21PM +0200, Kurt Roeckx wrote:
> On Mon, Jun 28, 2010 at 08:36:18PM +0200, Joachim Breitner wrote:
> > Hi,
> >
> > the Haskell team maintains (besides a lot of unproblematic) a handful of
> > package that require a lot of resources (mostly RAM) when building. On
> > some architectures, these packages can only be built by certain buildds,
> > while they are failing on others. So far, I have observed buildd admins
> > just repeatedly giving back packages in question until the "right"
> > buildd machine picked it up.
>
> What I have noticed on hppa is that ghc is just taking 100% CPU
> time all the time. Trying it on a different buildd is unlikely
> to change the result, and setting the timeout higher is also
> unlikely to be helping. All hppa buildds have 4 GB ram or more and
> I've only seen ghc use like 250 MB. I have no idea what the problem
> is, but just retrying clearly isn't helping.
>
> Not sure what the status is on other arches.
>
> > Would it be possible to improve this situation? I don't know that part
> > of the wanna-build suite (nor any of the sbuild/buildd code), but I
> > could imagine either
> > * a field in the database, optionally specifying for each source
> > package/arch tuple, the list of buildds that are allowed to take the
> > source
>
> We currently don't have this option. And this is probably
> something useful to have.
>
> > or
> > * a local bit of configuration on the buildd site, listing packages
> > that _this_ buildd should not build.
>
> We have this option now, but it's only used for a small amount of
> problematic packages.
>
> > Which would fit the general scheme of things better? Does wanna-build
> > decide who gets to build what, or do the buildds pick their choice of
> > package? I'd probably try to provide a patch when I'm pointed in the
> > right direction.
>
> buidd does wanna-build --list=needs-build, buildd then takes the
> first of that list that isn't in it's exclude (or low priority)
> list.
I believe it did wanna-build -U buildd_arch-host --list=needs-build,
actually. And if it doesn't, it should be fairly straightforward to make
it do that and have wanna-build not list some packages if the "wrong"
user was used.
--
The biometric identification system at the gates of the CIA headquarters
works because there's a guard with a large gun making sure no one is
trying to fool the system.
http://www.schneier.com/blog/archives/2009/01/biometrics.html
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