• reduce boot time

    any ideas on how to reduce userspace in boot time

    Startup finished in 4.033s (kernel) + 28.284s (userspace) = 32.317s
    graphical.target reached after 28.284s in userspace


  • systemd-analyze blame
  • hey thanks for help i got this back after the command

         12.858s systemd-journal-flush.service
         10.280s lvm2-monitor.service
          9.903s mariadb.service
          8.676s dev-sda2.device
          5.190s ModemManager.service
          2.876s NetworkManager.service
          2.441s systemd-udevd.service
          2.412s polkit.service
          2.158s systemd-logind.service
          2.151s avahi-daemon.service
          2.070s accounts-daemon.service
          1.607s systemd-rfkill.service
          1.592s ldconfig.service
          1.185s systemd-sysusers.service
           988ms systemd-modules-load.service
           951ms wpa_supplicant.service
           920ms udisks2.service
           896ms upower.service
           853ms systemd-tmpfiles-setup-dev.service
           716ms [email protected]
           674ms gdm.service
           586ms org.cups.cupsd.service
           562ms sys-kernel-debug.mount
           487ms boot.mount
           451ms systemd-journal-catalog-update.service
           413ms dev-mqueue.mount
           409ms colord.service
           339ms systemd-timesyncd.service
           329ms dev-disk-by\x2duuid-00cacf12\x2dd1d0\x2d44dc\x2da136\x2d3ff31>
           302ms kmod-static-nodes.service
           290ms systemd-random-seed.service
           272ms systemd-remount-fs.service
           271ms dev-hugepages.mount
           251ms systemd-tmpfiles-setup.service
           236ms systemd-udev-trigger.service
           198ms systemd-user-sessions.service
           194ms systemd-journald.service
           176ms bluetooth.service
           161ms [email protected]:intel_backlight.service
           111ms systemd-update-done.service
            95ms systemd-sysctl.service
            63ms systemd-update-utmp.service
  • you can see the longest 3:

    12.858s systemd-journal-flush.service
        10.280s lvm2-monitor.service
         9.903s mariadb.service

    lvm2-monitor.service can be diosabled if i am not wrong if you do not use (and not will in future ) LVM…

    mariadb.service is may needed for something…

    and 12.858s for systemd-journal-flush.service is unusual…

    systemd-analyze critical-chain

    is also a good one to see what is causing the lag…

  • ok sorry but i don’t know how to disable these services from startup can you help me out?

    graphical.target @29.459s
    └─multi-user.target @29.459s
    └─mariadb.service @19.555s +9.903s
    └─network.target @19.550s
    └─wpa_supplicant.service @21.680s +951ms
    └─basic.target @16.669s
    └─sockets.target @16.669s
    └─dbus.socket @16.669s
    └─sysinit.target @16.628s
    └─systemd-timesyncd.service @16.289s +339ms
    └─systemd-tmpfiles-setup.service @15.976s +251ms
    └─systemd-journal-flush.service @3.117s +12.858s
    └─systemd-remount-fs.service @2.842s +272ms
    └─systemd-journald.socket @2.549s
    └─system.slice @2.257s
    └─-.slice @2.257s

  • Thank you for the help i solved the issue by disabling a few services and clearing the log from from the journal /var/log/journal

  • du /var/log/Journal -h

  • Sorry and i can not edit

    du /var/log/journal -h

  • journalctl --disk-usage
    Archived and active journals take up 1008.1M in the file system.

    The config file for the journalctl lies under /etc/systemd/journald.conf

    set SystemMaxUse to something you can live with:

  • [[email protected] ~]$ sudo paccache -d
    ==> no candidate packages found for pruning
    [[email protected] ~]$
  • sudo /usr/bin/mandb

  • ⏫ and reboot

  • du /var/cache/pacman/ -h

    can be a shocking number after some years… as it will not be cleaned up…

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