Regards,
Tigran A. Aivazian, http://www.aivazian.demon.co.uk/
On Sun, 3 Jan 1999, Matti Aarnio wrote:
> > I'm getting a bit disturbed by an inconsistency between the
> > kernel.org mirrors. For example, I have just connected to
> > katelyn.optilinkcomm.net, which apparently carries only bz2 files
> > and not gz files.
>
> That is foolish, in fact I think the BZ2 at this point
> is foolish thing to do as the only compression algorithm.
> In case of ftp.kernel.org archive:
> gz 2.4 GB
> bz2 2.1 GB
> That is, the 'bz2' version of compression is only about
> 1/8:th denser, than gzip.
>
> Way back when the BSD compress got into trouble with
> LZW patents, the rapid move to GNU-zip was well founded,
> but now such a thing is not really warranted.
>
> Over the time there have been available other free high-
> density compression algorithms (LHA, ARJ), which have not
> gotten very wide adoptation. Mainly perhaps because while
> they often produce denser results than GZIP, they always
> do it with way more heavy CPU usage. Also the expansion-
> algorithms of those seem to be heavier than gunzip.
>
> This thinking is basis on why ftp.funet.fi does not
> mirror BZ2 files if the same files are also available
> as GZ files.
>
> > It seems to defeat the purpose if kernel.org mirrors don't
> > actually carry the full contents of kernel.org, even accounting
> > for any lag in pulling down new files.
>
> Yeah, the http://www.kernel.org/mirrors/ COULD be further divided
> down per what the sites have announced to mirror, e.g.:
> ftp-gz.xx.kernel.org
> ftp-bz2.xx.kernel.org
> www-gz.xx.kernel.org
> www-bz2.xx.kernel.org
> if the site has both formats, then it should be aliased both ways.
>
> /Matti Aarnio <mea@nic.funet.fi> <matti.aarnio@sonera.fi>
>
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