> ----- Original Message -----
> > From: "Mike McLean" <[email protected]>
> > On 10/27/2013 05:36 AM, Bojtos Péter wrote:
> > > I have a working koji setup with several clients. When I submit a few
> > > jobs,
> > > it works great. However when I submit lots of package (>100), some of the
> > > builds fail with the following error when mock is populating the
> > > buildroot
> > > (in root.log):
> 
> > > Is it because newRepo task is not finished but somehow creates the
> > > softlink to latest (and unfinished) koji repo? Have anyone seen the
> > > same error before?
> > Highly unlikely. Each newRepo task creates an entirely new repo (the old
> > one stays around for a while until kojira clears it). When a build
> > starts, it asks the hub for the current active repo, so there should be
> > no way for a build to recieve a repo that is still being created.
> 
> It could be the other way around though -- the build could be trying to use
> an out of date repo that is being deleted...
> 
> Something like:
> 
>  a) submit 100 jobs
>  b) build 1 starts, ..., completes
>  c) build 2 starts, compile begins
>  d) build 3 starts, build task grabs the latest build repo id, passes that to
>  buildArch
>  e) kojira triggers newRepo task
>  f) buildArch remains on hold as all builders are busy
>  g) newRepo finishes
>  h) buildArch 3 begins actually doing things, working with old repo
>  i) kojira starts deleting old repos
>  j) buildArch 3 fails because its repo is no longer there
> 
> If you're not doing chain-builds, you could just turn off kojira while the
> 100 package build is happening. If you are doing chain-builds, this
> shouldn't be an issue because each build task won't get started until the
> newRepo is completed anyway, so the buildArch tasks will always be looking
> at the most recent repo.
> 
> If that's really the problem, I guess the long-term fix would be for kojira
> to look for any active tasks referencing a repo before scheduling it for
> deletion?
> 
> Cheers,
> aj

This is an interesting case, but this is very unlikely. I've set up kojira to 
keep repositories for 1 day with the following in the kojira config:
deleted_repo_lifetime = 86400

It means that the build task should be picked up by a build host and the 
buildArch task should be picked up 1 day later.
Anyway I'm going to set it to 1 week and see, what happens.

Cheers,
Peter

> 
> --
> Anthony Towns <[email protected]>
> Red Hat Release Engineering
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