On 8/15/23 09:51, Stephen Smoogen wrote:
Each of these groups have 'farms' of several hundred of each type of
phone which get continual updates and they have a long certification
process to make sure that they reach 'all the phones updated without
problems and ran N hours without issues afterwards'. This is part of
the reason it can take months for a release from The OS manufacturer
(aka Android) to get pushed out to fleets of phones. It is fairly
'expensive' work with lots of little issues having to be tracked down
and passed. [Because even when you 'built the phone' you find out that
N% of that batch still acts slightly different from the rest on this
update.]
In the desktop/computer mode this is just outside of anything that I
think a volunteer oriented organization could try to make work at scale.
I do see your point that there's too much variability in the hardware
and software setup to be able to exhaustively test all the upgrade
paths, but Adam W. and his group do such excellent job of testing that I
think statistically a failed update is a black swan. It would be nice to
know the actual failure numbers, but we'd need some telemetry for that
:). Maybe the technical challenge that would solve this is rollback of
failed updates. OStree arguably has an advantage here over file-based
updates.
For what it's worth I personally was blessed with simple upgrade
problems, fixed by temporarily deleting a bunch of large packages like
KiCAD 3D models RPM, etc. I was always able to upgrade, so my anecdata
makes me trust Fedora updates. In fact, the main challenge I encountered
is the accidental persistence of various 'experimental' UI and OS
settings I did over time that result in a behavior different from a
fresh install---I sometimes wish there was an interactive, granular
'restore factory defaults' option that would let me keep some settings
and revert others.
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