Le vendredi 26 juin 2020 à 12:30 -0400, Josef Bacik a écrit :
> On 6/26/20 11:15 AM, Matthew Miller wrote:
> > On Fri, Jun 26, 2020 at 11:13:39AM -0400, Josef Bacik wrote:
> > > Not Fedora land, but Facebook installs it on all of our root
> > > devices, so millions of machines.  We've done this for 5 years.
> > > It's worked out very well. Thanks,
> > 
> > Josef, I'd love to hear your comments on any differences between
> > that
> > situation and the typical laptop-user case for Fedora desktop
> > systems.
> > Anything we should consider?
> > 
> We buy worse hardware than a typical laptop user uses, at least for
> our hard drives. 

The difference between an operation like Facebook and the Fedora user
base, it that Facebook will have a huge fleet of crap hardware, with
the support teams to baby-sit the crap hardware, and attention to
reducing the variety of crap hardware to limit the support matrix
breadth, while Fedora has to deal with a huge support matrix breadth,
without the support teams and the support team tooling to baby-sit
hardware. (Besides Facebook designs the levels of crapiness they allow
in their hardware, meaning they know exactly where they are pushing
limits to lower hardware costs).

And, it’s not always the crap hardware that hits bugs. Sometimes
expensive gamer hardware will fail first because its manufacturer has
pushed the limits to eke some performance points over the competition.

Therefore, using btrfs in Fedora, is inherently more ambitious, than
using it at Facebook.


Nicolas Mailhot
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