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Date:      Tue, 30 Nov 2010 00:40:33 +0100
From:      Matthias Andree <matthias.andree@gmx.de>
To:        freebsd-ports@freebsd.org
Subject:   Re: packages compressed with xz
Message-ID:  <4CF439F1.6050703@gmx.de>
In-Reply-To: <4CF3F16E.3020501@DataIX.net>
References:  <AANLkTimHL9_qj3nB0jCvH_rah5JZBzEroz_J_Ou-TH52@mail.gmail.com>	<4CF38D7F.6070206@gmx.de> <4CF3F16E.3020501@DataIX.net>

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Am 29.11.2010 19:31, schrieb jhell:

> Adding to this, as the manual says... The decompressing host will need
> to have at minimal 5% -> 20% of memory 'available' for decompression of
> what the compressing host had. Seeing as FreeBSD still runs on systems
> with memory as little as 200MB "~20% of 1024MB" and quite possible to
> run on systems with memory of 64MB "~5% of 1024MB" I would not see any
> benefit in modifying the default memory limit on a compressing host to
> accommodate for these system rather than using gzip(1) or bzip2(1) by
> default.

You can specify limits during compression, so the question is should we do that
so that hosts with N MB of RAM can decompress packages?  Do we retain the
compression ratio over bzip2 if we limit compression memory to 512 MB so that
decompression would be possible with, say, 128 MB?

> It would be nice to support xz(1) compression for large selective
> packages like firefox or openoffice as those will never run on smaller
> systems.

Yes, would be nice.  I doubt it will happen soon.

-- 
Matthias Andree



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