[Bug 1836475] Re: [SRU] update-notifier-common weekly cron job runs at the same time for all computers across the globe

[Launchpad Bug Tracker]

This bug was fixed in the package update-notifier - 3.192.1.12

---------------
update-notifier (3.192.1.12) bionic; urgency=medium

  * Sleep for up to an hour in the background in order to spread the load
    of checking for release updates on the Ubuntu infrastructure
    (LP: #1836475)

 -- Brian Murray <brian at ubuntu.com>  Mon, 23 Aug 2021 15:33:27 -0700

** Changed in: update-notifier (Ubuntu Bionic)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1836475

Title:
  [SRU] update-notifier-common weekly cron job runs at the same time for
  all computers across the globe

Status in update-notifier package in Ubuntu:
  Fix Released
Status in update-notifier source package in Bionic:
  Fix Released
Status in update-notifier source package in Focal:
  Fix Released
Status in update-notifier source package in Groovy:
  Fix Released

Bug description:
  [Impact]

  * The fix spreads access to changelogs.ubuntu.com over a full week (it was decided this was preferable to the 24h originally requested)
  * This results in reduced load on Canonical's infrastructure, of benefit to all users

  [Test Case]

  On Focal desktop and server installations:

  * sudo add-apt-repository ppa:waveform/update-notifier
  * sudo apt update
  * sudo apt install update-notifier-common
  * Ensure that /etc/cron.daily/update-notifier-common and /etc/cron.weekly/update-notifier-common have been removed
  * Ensure systemctl status update-notifier-motd.timer shows a valid timer
  * Ensure systemctl status update-notifier-download.timer shows a valid timer

  [Regression Potential]

  Low; the patch is already in active use in Groovy.

  [Original Description]

  Hi,

  /etc/cron.weekly/update-notifier-common is run at the same time on all
  machines across the globe. It's putting unnecessary stress on
  Canonical's infrastructure (changelogs.ubuntu.com, specifically).
  Could we please have this job spread out over 24h ?

  And could we please SRU this change ?

  Thanks

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