[Bug 2065739] Re: Unnattended upgrades take a long time due to excessive running of "apt-check"

[Alistair Buxton]

The result of this is usually that the user gets frustrated waiting for
updates that never finish installing, so they just turn off the
computer. Then next time there are even more updates, making he problem
worse.

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https://bugs.launchpad.net/bugs/2065739

Title:
  Unnattended upgrades take a long time due to excessive running of
  "apt-check"

Status in unattended-upgrades package in Ubuntu:
  New

Bug description:
  The unattended upgrade services runs "apt-check" to update the MOTD
  where a summary of available updates is displayed. It does this after
  every package that is installed. Unfortunately, apt-check is extremely
  expensive - it takes about 15 seconds to run.

  If you have a computer that is infrequently used, you may have as many
  as 300 available updates. Unattended upgrade will therefore run apt-
  check 300 times. This takes 1 hour 15 minutes, during which time no
  packages are actually installed.

  Suppose you turn on your computer once a week to do something like pay
  some bills. It takes 5 minutes. Then you have to wait 2 hours before
  you can turn it off. Every time.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: unattended-upgrades 2.8ubuntu1
  ProcVersionSignature: Ubuntu 5.15.0-71.78-generic 5.15.92
  Uname: Linux 5.15.0-71-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.4
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: Unity:Unity7:ubuntu
  Date: Wed May 15 00:17:47 2024
  InstallationDate: Installed on 2013-12-22 (3796 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  PackageArchitecture: all
  RebootRequiredPkgs: Error: path contained symlinks.
  SourcePackage: unattended-upgrades
  UpgradeStatus: Upgraded to jammy on 2023-04-16 (394 days ago)
  modified.conffile..etc.apt.apt.conf.d.10periodic:
   APT::Periodic::Update-Package-Lists "1";
   APT::Periodic::Download-Upgradeable-Packages "1";
   APT::Periodic::AutocleanInterval "0";
  mtime.conffile..etc.apt.apt.conf.d.10periodic: 2017-11-17T12:55:49.319695

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