[Bug 1955084] [NEW] systemd unit leaves a process running for the system lifetime but it only does anything at shutdown

[Steve Langasek]

Public bug reported:

The /lib/systemd/system/unattended-upgrades.service unit leaves a
process, /usr/share/unattended-upgrades/unattended-upgrade-shutdown
--wait-for-signal, running from system start until shutdown.  This
increases the minimum memory footprint of every host, VM, or container
where unattended-upgrades is installed.  The motivation for having this
systemd unit is clear in terms of the practicalities of implementing
what this unit needs to do, but we should try to find some way to
achieve this which does not rely on increasing the low water mark of
system memory.

** Affects: unattended-upgrades (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: rls-jj-incoming

** Tags added: rls-jj-incoming

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https://bugs.launchpad.net/bugs/1955084

Title:
  systemd unit leaves a process running for the system lifetime but it
  only does anything at shutdown

Status in unattended-upgrades package in Ubuntu:
  New

Bug description:
  The /lib/systemd/system/unattended-upgrades.service unit leaves a
  process, /usr/share/unattended-upgrades/unattended-upgrade-shutdown
  --wait-for-signal, running from system start until shutdown.  This
  increases the minimum memory footprint of every host, VM, or container
  where unattended-upgrades is installed.  The motivation for having
  this systemd unit is clear in terms of the practicalities of
  implementing what this unit needs to do, but we should try to find
  some way to achieve this which does not rely on increasing the low
  water mark of system memory.

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