On Mon, Jun 1, 2020 at 9:37 PM Adam Williamson <adamw...@fedoraproject.org> wrote:
> On June 1, 2020 7:13:51 p.m. PDT, Richard Shaw <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). > > 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
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