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

["vivo75@gmail.com" <vivo75@gmail.com>]

On 01/27/14 08:35, Steev Klimaszewski wrote:
> 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?),
>>
it should be in kernel 3.11 "windows for workgroups" release (check anyway)

> 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.

yes, there are good reasons also for amd64

>
>> 2. dedicated SquashFS delta tool -- I'm working on it but
>> the format seems to be poorly documented so it will take some time :).
>>
>
>