Comment # 4 on bug 1158474 from robert spitzenpfeil

Is your disk dying, any SATA errors in syslog?


time sudo zypper in -y -f kernel-default-5.3.12-1.1.x86_64

real    0m37.287s
user    0m22.173s
sys     0m5.152s

That's including about 10s for downloading the package.