RPM compression format
Rahul Sundaram
sundaram at fedoraproject.org
Thu Jun 19 19:50:34 UTC 2008
Michael Wiktowy wrote:
> Hi,
>
> I just read http://www.linuxformat.co.uk/static/suse11.html where is
> mentions that OpenSuSe 11 went with a different compression algorithm
> for their rpms (LZMA instead of bz2) and have a few questions:
>
> 1) While every distro seems to be coming together on a package
> management GUI (PackageKit), does this represent a splintering of
> package formats? or is rpm compression algorithm agnostic? Is there
> any hope that the various rpm development will start pulling in the
> same direction?
Distribution have been shipping patches for a long while and that
quantity against rpm seems to be dropping off now looking at SUSE,
Mandriva etc. Compression algorithm doesn't affect the spec file format.
> 2) LZMA appears to have some good characteristics for installation
> rpms (tighter compression, 50% decompression time ... at least as
> implemented by 7zip ref:
> http://www.maximumcompression.com/data/summary_mf4.php ). Is Fedora
> planing to follow this switch (or has it already and not advertised it
> as a prominent feature) or are there other considerations preventing
> that (patent issues?, not suitable for delta rpms?, 200% compression
> time)?
Refer to this RFE I filed a while back at
https://bugzilla.redhat.com/show_bug.cgi?id=441110
Rahul
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