On Fri, May 29, 2020 at 12:02 PM Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: [ ... ] > As I saw stallings with e2scrub_reap.service and swap partition > (partly seen in the boot-process and noted the UUID 3f8e). > I disabled e2scrub_reap.service and deactivated swap partition in /etc/fstab. > I switched over from using a swap-partition to a swap-file. The boot-slowdown is "gone" in sense of 1m30s stalls or better in sense of boot-time is shorter. # cat systemd-analyze-time.txt Startup finished in 6.903s (kernel) + 1min 13.501s (userspace) = 1min 20.404s graphical.target reached after 1min 13.481s in userspace # cat systemd-analyze-time_swapfile.txt Startup finished in 6.721s (kernel) + 1min 9.470s (userspace) = 1min 16.192s graphical.target reached after 1min 9.451s in userspace # cat systemd-analyze-blame.txt | head -20 35.943s udisks2.service 32.559s accounts-daemon.service 27.925s smartmontools.service 26.561s NetworkManager.service 24.543s dev-sdc2.device 24.478s polkit.service 20.426s NetworkManager-wait-online.service 19.785s avahi-daemon.service 19.586s switcheroo-control.service 19.185s rtkit-daemon.service 18.661s wpa_supplicant.service 18.269s systemd-logind.service 17.627s rsyslog.service 16.312s gpm.service 14.842s e2scrub_reap.service 14.387s packagekit.service 12.017s ModemManager.service 10.584s alsa-restore.service 8.407s atd.service 6.025s exim4.service # cat systemd-analyze-blame_swapfile.txt | head -20 29.571s udisks2.service 26.383s accounts-daemon.service 24.564s smartmontools.service 20.735s NetworkManager.service 19.254s NetworkManager-wait-online.service 18.675s polkit.service 15.523s dev-sdc2.device 14.152s avahi-daemon.service 14.006s switcheroo-control.service 13.800s rtkit-daemon.service 13.662s packagekit.service 13.353s wpa_supplicant.service 13.178s rsyslog.service 12.788s systemd-logind.service 12.313s e2scrub_reap.service 11.105s ModemManager.service 11.003s gpm.service 10.018s networking.service 6.608s apparmor.service 5.858s exim4.service Thanks. Time to experience with ZRAM :-). - Sedat - LINK: https://wiki.debian.org/Swap LINK: https://help.ubuntu.com/community/SwapFaq mount -t auto /dev/sdb1 /mnt/sandisk fallocate -l 8g /mnt/sandisk/swapfile 8 x 1024 x 1024 = 8388608 dd if=/dev/zero bs=1024 count=8388608 of=/mnt/sandisk/swapfile 8388608+0 Datensätze ein 8388608+0 Datensätze aus 8589934592 bytes (8,6 GB, 8,0 GiB) copied, 176,511 s, 48,7 MB/s # chmod 600 /mnt/sandisk/swapfile # ll /mnt/sandisk/swapfile -rw------- 1 root root 8,0G Mai 29 12:23 /mnt/sandisk/swapfile # mkswap /mnt/sandisk/swapfile Setting up swapspace version 1, size = 8 GiB (8589930496 bytes) no label, UUID=d3b72e81-c0fc-49fa-9704-cbbaba3822fc # swapon /mnt/sandisk/swapfile # free -h total used free shared buff/cache available Mem: 7,7Gi 1,6Gi 4,8Gi 167Mi 1,3Gi 5,7Gi Swap: 8,0Gi 0B 8,0Gi - EOT -