On 6/2/20 4:48 AM, Richard Shaw wrote: > > > On Mon, Jun 1, 2020 at 9:37 PM Adam Williamson > <adamw...@fedoraproject.org <mailto:adamw...@fedoraproject.org>> wrote: > > On June 1, 2020 7:13:51 p.m. PDT, Richard Shaw > <hobbes1...@gmail.com <mailto:hobbes1...@gmail.com>> wrote: > >I've noticed lately when doing mock builds that it takes a lot longer > >to > >install all the dependencies. Especially large -devel packages with > >tons of > >small files (boost-devel, vtk-devel, cmake-data). > Things I'm aware of that have changed is a switch to mock 2 (quite recently with an update) and rpm-compression since F31. The switch of mock might have affected which kind of build-container it defaults to. The switch to cgroup-v2 might have affected how the systemd-containers are working. Maybe you can try to force it to chroot to have the container as thin as possible.
Klaus > > > I've noticed the same problem but I'm not sure it's about the > packages. It may be something to do with mock or the kernel, > possibly. Are you running Rawhide on the machine where you're > doing the mock builds? > > > I'm building for rawhide, but on my F32 desktop... > > > > I most recently noticed it when building lives with Python 3.9 for > testing - that should take less than an hour per image, it > actually took 12+ hours per image. When I attach an strace to the > dnf process it seems like it doesn't really stick on any one call > for a *long* time, but it seems to do a lot of fsyncs, and each > one takes, like, a half second or so. I *think* the slowness is > the result of all those fsyncs piling up. > > > The actual package build time doesn't "feel" any difference, but > installing the dependencies definitely takes much longer. > > > I've tried installing nosync (both i686 and x86-64) on the host > but it didn't seem to make a difference, I didn't check for sure > that it actually kicked in. I'll try and do a bit more of a > systematic look at it tomorrow, since at least now I know I'm not > the only one... > > > I have nosync (both arches) installed as well... > > Thanks, > Richard > > _______________________________________________ > devel mailing list -- devel@lists.fedoraproject.org > To unsubscribe send an email to devel-le...@lists.fedoraproject.org > Fedora Code of Conduct: > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: > https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org
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