[Bug 1979997] Update Released

[Łukasz Zemczak]

The verification of the Stable Release Update for ubiquity has completed
successfully and the package is now being released to -updates.
Subsequently, the Ubuntu Stable Release Updates Team is being
unsubscribed and will not receive messages about this bug report.  In
the event that you encounter a regression using the package from
-updates please report a new bug using ubuntu-bug and tag the bug report
regression-update so we can easily find any regressions.

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https://bugs.launchpad.net/bugs/1979997

Title:
  Ensure minimum total memory available to desktop systems

Status in ubiquity package in Ubuntu:
  Fix Released
Status in ubiquity source package in Jammy:
  Fix Released

Bug description:
  [Impact]

   * A Desktop install with a Desktop Environment, a web-browser, web-
  browser based apps (vscode / mattermost / slack / spotify / keybase /
  etc), may use quite a bit of RAM

   * To elivate or delay OOM behaviour bump our swap & ram calculations

   * Ensure that total available memory (RAM+SWAP) is at least 8GB,
  without taking up more than 10% of disk space (in non-zfs unencrypted
  case only).

  [Test Plan]

   * Perform following installs:
     - unencrypted
     - encrypted LUKS
     - zfs
     - zfs encrypted

   * .... with following ram configurations
     - 2GB RAM
     - 5GB RAM
     - 8GB RAM
     - 10GB RAM

   * Which should result in
     - 6GB of SWAP
     - 3GB of SWAP
     - 2GB of SWAP
     - 2GB of SWAP

  [Where problems could occur]

   * For a number of low RAM combinations this will result in higher
  swap sizes; which will be a higher % of disk space, meaning minimum
  amount of disk space required is also going up.

   * Higher RAM machines should not experience any changes

  [Other Info]

   * This is primarily driven by average basic desktop usage, with
  amount of anonymous pages that can be swapped out, as they are unused.

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