I have jumped back into using Ubuntu again, but I am having real issues with the overall performance of Ubuntu 19.04. It's very sluggish, it locks up, but the worst is that it can take about 5 mins to boot up.
I have an old Dell Optiplex 7010 with an i3 3000 processor with 8 GB of ram and using Intel HD 3000 onboard graphics. So performance shouldn't be such an issue.
As I mentioned I'm still new to Ubuntu so I'm still learning.
After searching for a fix, I found this command to see what's taking so much time to boot Ubuntu:
systemd-analyze blame
Which gives me this output:
tux@tux-OptiPlex-7010:~$ systemd-analyze blame
5min 13.441s sav-protect.service
1min 20.310s apt-daily.service
57.163s plymouth-quit-wait.service
30.008s systemd-journal-flush.service
27.969s dev-mapper-ubuntu\x2d\x2dvg\x2droot.device
22.765s accounts-daemon.service
22.205s snapd.service
21.924s ModemManager.service
19.630s networkd-dispatcher.service
18.044s udisks2.service
17.974s dev-loop30.device
17.899s dev-loop26.device
17.824s dev-loop49.device
17.768s dev-loop34.device
17.713s dev-loop55.device
17.480s dev-loop45.device
17.435s dev-loop29.device
17.384s dev-loop48.device
17.350s dev-loop31.device
17.231s dev-loop2.device
17.218s dev-loop39.device
17.185s dev-loop40.device
17.168s dev-loop44.device
17.071s dev-loop46.device
16.724s dev-loop19.device
15.978s dev-loop51.device
15.836s dev-loop43.device
15.791s dev-loop47.device
15.764s dev-loop41.device
15.762s dev-loop50.device
15.707s dev-loop42.device
15.638s dev-loop37.device
15.587s dev-loop38.device
15.524s dev-loop54.device
15.377s dev-loop35.device
15.185s dev-loop33.device
15.090s dev-loop24.device
15.049s dev-loop7.device
15.014s dev-loop14.device
14.889s dev-loop13.device
14.560s dev-loop53.device
14.519s dev-loop52.device
14.087s dev-loop15.device
14.077s dev-loop32.device
14.000s dev-loop20.device
13.948s dev-loop27.device
13.832s dev-loop3.device
13.830s dev-loop8.device
13.824s dev-loop11.device
13.708s dev-loop6.device
13.614s dev-loop25.device
13.574s dev-loop36.device
13.518s dev-loop16.device
13.424s dev-loop23.device
13.375s dev-loop10.device
13.346s dev-loop28.device
13.168s dev-loop21.device
12.864s grub-common.service
12.737s dev-loop17.device
12.667s systemd-resolved.service
12.616s avahi-daemon.service
12.473s dev-loop18.device
12.407s sddm.service
12.358s rsyslog.service
12.342s apport.service
12.142s wpa_supplicant.service
12.134s NetworkManager.service
12.130s systemd-logind.service
12.124s dev-loop9.device
12.122s dev-loop12.device
12.120s dev-loop22.device
11.944s gpu-manager.service
11.733s lm-sensors.service
11.645s apparmor.service
11.362s thermald.service
11.075s [email protected]
10.956s switcheroo-control.service
10.822s dev-loop0.device
10.702s dev-loop4.device
10.488s dev-loop1.device
10.442s dev-loop5.device
9.189s systemd-udevd.service
9.112s NetworkManager-wait-online.service
8.930s nginx.service
8.629s snap.ufw.srv.service
7.295s ufw.service
6.514s networking.service
6.239s fwupd.service
5.406s gdm.service
4.896s systemd-sysctl.service
4.688s snap-gnome\x2d3\x2d26\x2d1604-90.mount
4.641s [email protected]
4.472s snap-gtk\x2dcommon\x2dthemes-1313.mount
4.304s snap-polar\x2dbookshelf-69.mount
4.181s snap-chromium-821.mount
4.023s snap-core18-1074.mount
3.946s snap-webcatalog-10.mount
3.872s snap-easy\x2dopenvpn-5.mount
3.697s apt-daily-upgrade.service
3.691s snap-code-13.mount
3.680s virtualbox.service
3.598s snap-gnome\x2dlogs-45.mount
3.556s snap-ao-20.mount
3.456s snap-riseup\x2dvpn-152.mount
3.424s snap-gnome\x2d3\x2d26\x2d1604-70.mount
3.375s snap-gnome\x2dcalculator-406.mount
3.348s snap-hexchat-42.mount
3.317s snap-core-5662.mount
3.242s snap-odrive\x2dunofficial-2.mount
3.157s snap-translatium-6.mount
3.084s uwsgi.service
3.010s snap-ufw-296.mount
2.931s polkit.service
2.925s snap-tinc\x2dvpn-2.mount
2.825s snap-tusk-29.mount
2.784s snap-ubuntu\x2dapp\x2dplatform-34.mount
2.718s snap-gtk\x2dcommon\x2dthemes-701.mount
2.693s snap-gnome\x2dlogs-61.mount
2.643s snap-ubuntu\x2dcloud\x2dimage-63.mount
2.582s snap-zaproxy-4.mount
2.550s snap-nmap-564.mount
2.511s snap-opera-47.mount
2.369s snap-midori-550.mount
2.278s snap-tor-2.mount
2.278s lvm2-monitor.service
2.264s systemd-modules-load.service
2.194s snap-gnome\x2d3\x2d28\x2d1804-71.mount
2.168s snap-deja\x2ddup-190.mount
2.142s systemd-tmpfiles-setup.service
2.135s snap-usdxworldparty-30.mount
1.936s snap-xmr\x2dminer\x2dgui-9.mount
1.753s snap-google\x2dplay\x2dmusic\x2ddesktop\x2dplayer-70.mount
1.645s snap-webcatalog-4.mount
1.525s lvm2-pvscan@8:1.service
1.519s snap-john\x2dthe\x2dripper-297.mount
1.470s privoxy.service
1.402s snap-google\x2dwebapp-4.mount
1.338s snap-chromium\x2dffmpeg-13.mount
1.320s snap-gnome\x2dcharacters-124.mount
1.253s snap-communitheme-1768.mount
1.131s snap-canonical\x2dlivepatch-81.mount
1.117s systemd-tmpfiles-setup-dev.service
1.094s keyboard-setup.service
1.044s plymouth-start.service
988ms dns-clean.service
916ms systemd-sysusers.service
896ms snap-firefox-253.mount
895ms snap-opera-46.mount
833ms pppd-dns.service
829ms snap-i2pd-25.mount
828ms snap-gnome\x2dcalculator-238.mount
796ms snap-gnome\x2dsystem\x2dmonitor-100.mount
796ms snap-gnome\x2dcharacters-296.mount
785ms tor.service
772ms snap-google\x2dcloud\x2dsdk-95.mount
740ms colord.service
688ms snap-wonderwall-13.mount
687ms snap-gnome\x2dsystem\x2dmonitor-57.mount
575ms systemd-timesyncd.service
557ms plymouth-read-write.service
522ms snap-googletools\x2ddesktop-1.mount
520ms snap-vlc-1049.mount
497ms snap-gtk2\x2dcommon\x2dthemes-5.mount
448ms grub-initrd-fallback.service
429ms upower.service
397ms ifupdown-pre.service
387ms kerneloops.service
320ms snapd.seeded.service
311ms systemd-tmpfiles-clean.service
311ms systemd-journald.service
296ms dev-mqueue.mount
295ms dev-hugepages.mount
290ms dev-mapper-ubuntu\x2d\x2dvg\x2dswap_1.swap
274ms systemd-udev-trigger.service
265ms [email protected]
265ms snap-qshodan-196.mount
261ms systemd-backlight@backlight:acpi_video0.service
219ms bolt.service
217ms console-setup.service
207ms setvtrgb.service
203ms blk-availability.service
201ms systemd-remount-fs.service
178ms snap.canonical-livepatch.canonical-livepatchd.service
173ms systemd-user-sessions.service
168ms snap.easy-openvpn.easy-openvpn.service
163ms hddtemp.service
163ms sys-kernel-debug.mount
161ms kmod-static-nodes.service
152ms systemd-random-seed.service
144ms snap.tor.tor.service
124ms snap-hello\x2dworld-29.mount
116ms snap-core-7396.mount
115ms rtkit-daemon.service
102ms proc-sys-fs-binfmt_misc.mount
89ms systemd-update-utmp.service
84ms systemd-update-utmp-runlevel.service
59ms snapd.socket
14ms openvpn.service
4ms sys-fs-fuse-connections.mount
3ms sys-kernel-config.mount
As you can see something is not right. I'd appreciate if somebody could help me fix this please.
Ubuntu 19.04 is a relatively fresh install. But I can say I've had performance issues from clean installation. I hope someone can help me rectify this please. I'm looking forward to learning how to do so.
You have Sophos Anti-Virus for Linux installed:
sav-protect.servicebelongs to Sophos. Please read here. So doessav-rms.service.The delay is due to boot-time virus scan.While the sluggish overall performance is due to real-time (on-access) Scanning. Please read similar issues here, here and here.
If virus scan at boot-time and on-access is not critical for your system, you can disable the service and gain back speed at boot-time and system responsiveness. To do this, please run the following command in the terminal and reboot your system:
If it shows up again after reboot, you can follow the above command with this:
If you get alerts at boot-time about real-time protection being disabled, you can follow the above commands with this:
If it shows up again after reboot, you can follow the above command with this:
To roll back the above changes anytime, please run:
Then follow it with this:
Then follow it with this:
Then follow it with this:
Notice:
All the above is done without the need to uninstall Sophos Anti-Virus for Linux. It will remain on your system so that you can use other features of the Anti-Virus or you can later roll back the changes done above and go back to the full blown package as you wish.
Around 1 year ago on Debian 9 I had a 50% performance decrease on gcc compilation. Page Table Isolation caused this, it has something todo with Spectra/Meltdown. You could add -no-pti from grub on startup. Note that this was on a Haswell i7 and only when using 32 bits Linux, on 64 bits there are is no such big performance decrease.
Are you using 32 or 64 bits?