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Message-ID: <20160622122030.61bfcd2b@rafaela>
Date: Wed, 22 Jun 2016 12:20:30 -0300
From: "Matias A. Fonzo" <selk@...gora.org>
To: musl@...ts.openwall.com
Subject: Re: New Exherbo+musl stage: x86_64-pc-linux-musl-20160621
El Wed, 22 Jun 2016 14:01:17 +0200
Shiz <hi@...z.me> escribió:
> > On 22 Jun 2016, at 01:22, Matias A. Fonzo <selk@...gora.org> wrote:
> >
> >> The latest musl stage can always be found at:
> >> https://www.somasis.com/stages/exherbo-x86_64-pc-linux-musl-current.tar.xz
> >
> > Please, consider switching to another format, like lzip/clzip. See:
> >
> > http://www.nongnu.org/lzip/xz_inadequate.html
>
> Switching to a format almost nobody has a decompressor for,
> especially for something like a stage3 that is often extracted in a
> live environment with no options to extra install packages, doesn’t
> seem like a good idea.
>
> - Shiz
Distribute files and impose to your users in having xz, is a bad idea.
To decompress the stage3, the users will require an important amount of
RAM, because `xz -9' uses a dictionary size of 64MiB by default. Lzip
usually compresses large files about as much as xz, but using half the
RAM and requiring half the RAM to decompress[1].
For fun, I've re-compressed the stage3 using my lzip 1.15:
-rw-r--r-- 1 selk users 231566875 jun 21 17:55
exherbo-x86_64-pc-linux-musl-current.tar.lz
-rw-r--r-- 1 selk users 284602164 jun 21 17:55
exherbo-x86_64-pc-linux-musl-current.tar.xz
[1] http://www.nongnu.org/lzip/lzip_benchmark.html
See also:
http://www.nongnu.org/lzip/manual/lzip_manual.html#Quality-assurance
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