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Maniphest T5626

Only select required Kernel CGROUP controllers
Closed, ResolvedPublicFEATURE REQUEST
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Description

TL;DR: systemd does not require the performance-sensitive bits of Linux control groups enabled in the kernel. However, it does require some non-performance-sensitive bits of the control group logic.

http://0pointer.de/blog/projects/cgroups-vs-cgroups.html

The only controllers required for VyOS to function are the memory and PID controller required by the container feature. All other controlles can be disabled

Details

Difficulty level
Normal (likely a few hours)
Version
-
Why the issue appeared?
Will be filled on close
Is it a breaking change?
Perfectly compatible
Issue type
Performance optimization

Event Timeline

c-po claimed this task.Oct 2 2023, 2:07 PM
c-po created this task.
pasik added a subscriber: pasik.Oct 2 2023, 2:11 PM
c-po moved this task from Need Triage to Finished on the VyOS 1.5 Circinus board.Oct 2 2023, 3:01 PM
c-po moved this task from Need Triage to In Progress on the VyOS 1.4 Sagitta board.
c-po added a comment.Oct 3 2023, 7:27 AM

PR for 1.4 https://github.com/vyos/vyos-build/pull/433

c-po moved this task from In Progress to Finished on the VyOS 1.4 Sagitta board.Oct 3 2023, 7:27 AM
c-po closed this task as Resolved.Oct 3 2023, 4:01 PM
c-po triaged this task as Normal priority.
c-po changed Difficulty level from Unknown (require assessment) to Normal (likely a few hours).