On Tuesday, June 2, 2020, 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). > > > >Checking on my NVME 970 EVO, all the stats look good: > >SMART/Health Information (NVMe Log 0x02) > >Critical Warning: 0x00 > >Temperature: 60 Celsius > >Available Spare: 98% > >Available Spare Threshold: 10% > >Percentage Used: 0% > >Data Units Read: 5,144,488 [2.63 TB] > >Data Units Written: 16,635,882 [8.51 TB] > >Host Read Commands: 138,600,710 > >Host Write Commands: 223,768,039 > >Controller Busy Time: 1,133 > >Power Cycles: 56 > >Power On Hours: 2,658 > >Unsafe Shutdowns: 36 > >Media and Data Integrity Errors: 2 > >Error Information Log Entries: 25 > >Warning Comp. Temperature Time: 0 > >Critical Comp. Temperature Time: 0 > >Temperature Sensor 1: 60 Celsius > >Temperature Sensor 2: 83 Celsius > > > >I run the fstrim service weekly... > > > >Ideas? > > > >Thanks, > >Richard > > 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 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. > > 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... > > Educated guess: it's the sqlite rpm db change.
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