Re: [gentoo-dev] RFC: Hosting daily gx86 squashfs images and deltas

[Michał Górny]

Dnia 2014-01-27, o godz. 01:35:52
Steev Klimaszewski <steev@g.o> napisał(a):

> On Sun, 2014-01-26 at 21:00 +0100, Michał Górny wrote:
> > Hi again.
> >
> > If someone is interested in the results of my tests and benchmarks,
> > I've uploaded the initial version of my article on the topic in our
> > dev-space.
> >
> > http://dev.gentoo.org/~mgorny/tmp/squashfs-deltas.pdf
> >
> > I am terribly busy with the uni right now so it will take some time
> > before I continue working on it. I will try to provide a final
> > specification for the first attempt at the idea and ask infra if they
> > are ready to sacrifice the hardware for it.
> >
> > Further possible improvements:
> >
> > 1. switch to LZ4 (stronger compression, even faster) -- will require
> > a newer kernel (3.14?),
> >
>
> While the stronger compression, and being faster is definitely nice,
> having portage on squashfs is really nice on ARM devices, however the
> number of them that have a decently running kernel newer than 3.8 are
> few and far between, so I'd like to ask that this be held off as long as
> possible.  I know these are just possible improvements, but doing so
> would definitely alienate a really good place where this would shine.

I think that if we decide to do the switch, we will host multiple
formats at least for some time. It won't be really helpful to prevent
people from upgrading their kernel due to new repo archive format :).

-- 
Best regards,
Michał Górny