Hi,
So I have an annoying bug that started near the beginnings of F35.
My papirus-icon-theme became very slow to install:
https://bugzilla.redhat.com/show_bug.cgi?id=2029709#c18
During the installation, all the files are copied, then renamed by rpm
(no idea why it works like this).
It works fast in a Mock chroot but incredibly slow on bare metal.
I've done a small test of moving files:
[root@cassini icons]# mkdir test
[root@cassini icons]# for (( i = 0; i < 10000; i++ )) do > test/file_$i;
done
[root@cassini icons]# cd test
On host:
time $(for f in *; do mv "$f" "${f%}.txt"; done)
real 2m3,500s
user 0m3,966s
sys 2m0,431s
In nspawn container:
<mock-chroot> sh-5.1# time $(for f in *; do mv "$f" "${f%}.txt"; done)
real 0m6.702s
user 0m4.237s
sys 0m3.344s
Since papirus-icon-theme contains more than 100,000 (small) files, it is
a problem. One minute of waiting is ok, 20 mn is not.
What can cause this? I read that nspawn virtualizes the file system,
could it be file system related on the host? (I use btrfs btw)
Any input welcome!
Best regards,
Robert-André
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