32bit PowerPC questions.
jwboyer at gmail.com
Thu Jun 26 21:27:29 UTC 2008
On Thu, 2008-06-26 at 17:16 -0400, Dan Williams wrote:
> On Thu, 2008-06-26 at 15:41 -0500, Jason L Tibbitts III wrote:
> > >>>>> "JB" == Josh Boyer <jwboyer at gmail.com> writes:
> > JB> That might have had a bigger effect. I though koji would only run
> > JB> one build job per builder? Or is it per CPU?
> > I don't know what koji does, but in this case koji was unaware that
> > the jobs were still running. I guess they had been killed from the
> > server but not cleaned up on the builders.
> This happened a lot with plague too. I think it's Just Hard in *NIX to
> ensure that all ancestors of a given task have been killed dead dead
> dead. Maybe they somehow get out of the parent's process group, they
> are just hung and don't respond to signals, they are in D state when the
> signals get sent, whatever. Running craploads of scripts and programs
> as part of the build process that fork and exec and do God-knows-what
> doesn't lend itself to being cleaned up easily.
> I think either cgroups (?) or putting each build in a clean VM which can
> be torn down completely is probably the answer. And out of those two, a
> whole new VM would be pretty heavy to create/destroy so it's probably
> out of the question.
And impossible on ppc without LPAR support for every builder.
Hopefully containers will help when the builders move to RHEL6 (if RHEL6
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