[Bug 1979997] Re: Ensure minimum total memory available to desktop systems

[Dimitri John Ledkov]

** Description changed:

  [Impact]
  
-  * A Desktop install with a Desktop Environment, a web-browser, web-
+  * 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
+  * 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 5% of disk space (when unencrypted).
+  * 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
+  * Perform following installs:
+    - unencrypted
+    - encrypted LUKS
+    - zfs
+    - zfs encrypted
  
-  * .... with following ram configurations
-    - 2GB RAM
-    - 5GB RAM
-    - 8GB RAM
-    - 10GB RAM
+  * .... 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
-  
+  * 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
+  * 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
+  * 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.
+ 
+  * 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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https://bugs.launchpad.net/bugs/1979997

Title:
  Ensure minimum total memory available to desktop systems

Status in ubiquity package in Ubuntu:
  New

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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