packages compressed with xz
itetcu at FreeBSD.org
Mon Nov 29 20:23:54 UTC 2010
On Mon, 29 Nov 2010 13:31:10 -0500
jhell <jhell at DataIX.net> wrote:
> On 11/29/2010 06:24, Matthias Andree wrote:
> > Am 28.11.2010 22:12, schrieb Goran Tal:
> >> Now that the base system supports xz compression, it should be
> >> used as the default compression for packages.
> >> Files compressed with xz are smaller and decompress faster than
> >> those compressed with bzip2. This can make an installation much
> >> quicker, especially when the complete system is installed or
> >> upgraded.
> >> Any reasons against it?
> > xz compressed files can take up CONSIDERABLY more memory to
> > decompress than files compressed with bzip2 or gzip. Keep that in
> > mind so that systems that are low on memory can still decompress xz
> > packages. If you don't fit into RAM for decompression, it will be
> > unusable.
> 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.
> It would be nice to support xz(1) compression for large selective
> packages like firefox or openoffice as those will never run on smaller
Trouble is it ain't no way (CPU, space, banhdwidth on our side and
space,bandwidth on our mirrors side) we could build a double set of
IOnut - Un^d^dregistered ;) FreeBSD "user"
"Intellectual Property" is nowhere near as valuable as "Intellect"
FreeBSD committer -> itetcu at FreeBSD.org, PGP Key ID 057E9F8B493A297B
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