~kajiya/+git/gce-compute-image-packages:ubuntu/focal-update-to-20240307.00

Branch merges

Propose for merging

Merged into ~ubuntu-core-dev/+git/gce-compute-image-packages:ubuntu/focal at revision 21a4053e35d3ae16dc2b676617d36ee473ba75f7

Utkarsh Gupta: Approve on 2024-05-27

Diff: 192 lines (+67/-21)

5 files modified

OWNERS (+5/-2)
debian/changelog (+23/-0)
src/lib/udev/google_nvme_id (+1/-1)
src/usr/bin/google_set_hostname (+2/-1)
src/usr/bin/google_set_multiqueue (+36/-17)

api

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21a4053... by Chloé Smith on 2024-05-23

d/changelog for Focal (LP: #2066314)

965bc04... by Chloé Smith on 2024-05-23

Merge remote-tracking branch 'core-dev/ubuntu/master' into ubuntu/focal-update-to-20240307.00

ae91f22... by Utkarsh Gupta on 2024-05-23

Update d/ch for 20240307.00-0ubuntu1 release

7b4ac0b... by Chloé Smith on 2024-05-21

d/changelog entry (LP: #2066314)

5d20e83... by Chloé Smith on 2024-05-21

Update upstream source from tag 'upstream/20240307.00'

Update to upstream version '20240307.00'
with Debian dir eb5e65cce38fc26a5468a3c0b455e7679efa82c5

6ed6854... by Chloé Smith on 2024-05-21

New upstream version 20240307.00

d42501f... by Utkarsh Gupta on 2024-02-06

Update d/ch for 20230808.00-0ubuntu1~20.04.1 release

863a048... by Chloé Smith on 2024-01-09

d/changelog entry

dc2edee... by Chloé Smith on 2023-10-16

Reduce udev rule scope and change I/O scheduler

The previous udev rule was drastically reducing the bootspeed on
SSD backed instances. Experiments found that swapping HDDs to "none"
in this file yeilded the best results.

These experiments were conducted by building GCE cloud-images (with this commit)
and measuring the boot speed. The boot speed concentrated primarily on
"time-to-SSH". A home-made "SSH timer" was created [0] and used to
measure the speed across different I/O schedulers (namely `bfq`,
`mq-deadline`, `kyber`, `noop` and `none`). After numerous runs `none`
was the best option for HDDs.

Refs: [0] https://github.com/canonical/cloud-image-boot-time-surveyor

aa1ced3... by Utkarsh Gupta on 2023-12-06

Add bug reference and fix versioning