Tracker miners (eg. tracker-miner-fs-3) are started for GDM and other system users

[Mantas Kriaučiūnas]

Tracker miners (for example tracker-miner-fs-3) are started for GDM, lightdm, other system users, and waste RAM + SSD resources. I don't think tracker miners should be started for such users.
At https://bugs.debian.org/981089 I've found solution how to fix this important issue - I'm pasting with trivial change to work on Ubuntu 22.04 and newer:

The fix is to change one line in all tracker-miners systemd files:
/usr/lib/systemd/user/tracker-miner-fs-3.service
/usr/lib/systemd/user/tracker-miner-fs-control-3.service
/usr/lib/systemd/user/tracker-extract-3.service

From: ConditionUser=!root
To: ConditionUser=!@system

On running system you can run simple sed command:

sed -i 's|ConditionUser=!root|ConditionUser=!@system|' /usr/lib/systemd/user/tracker-{extract-3,miner-fs-*}.service

I can provide a debdiff if you can include this trivial patch into LTS release.

[Ubuntu Foundations Team Bug Bot (crichton)]

The attachment "disable tracker-miners for system-users - patch" seems to be a patch. If it isn't, please remove the "patch" flag from the attachment, remove the "patch" tag, and if you are a member of the ~ubuntu-reviewers, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by ~brian-murray, for any issues please contact him.]

[Jeremy Bícha (jbicha)]

Please report this issue upstream. I'd like to get upstream's opinion on this before making this change directly in Ubuntu.

https://gitlab.gnome.org/GNOME/tracker-miners/-/issues

[Jeremy Bícha (jbicha)]

I proposed doing this upstream:

https://gitlab.gnome.org/GNOME/tracker-miners/-/merge_requests/472

[Jeremy Bícha (jbicha)]

I have fixed this bug for inclusion in the next Ubuntu stable release, 23.10, to be released in October.

To fix this in Ubuntu 22.04 LTS, someone needs to update this bug's description:

https://wiki.ubuntu.com/StableReleaseUpdates#Procedure

[Launchpad Janitor (janitor)]

This bug was fixed in the package tracker-miners - 3.4.3-2

---------------
tracker-miners (3.4.3-2) unstable; urgency=medium

  [ Jeremy Bícha ]
  * debian/gbp.conf: Branch for trixie
  * Cherry-pick 2 patches to improve tracker systemd services
    - Fix tracker-extract.service WantedBy target so that gvfsd has
      access to KRB5CCNAME. Thanks Denison Barbosa (LP: #1779890)
    - Don't start the daemons for non-root system users like gdm
      and lightdm (LP: #2007755) (Closes: #981089)

  [ Daniel van Vugt ]
  * Add tracker-extract-Add-missing-break-to-remove-a-single.patch
    to fix SIGSEGV in decorator_item_cache_remove (LP: #2012638)

 -- Jeremy Bícha <email address hidden> Mon, 21 Aug 2023 08:32:05 -0400