On Thu, 12 Apr 2007, John R Pierce wrote:
> Dale Sykora wrote:
> > I know of a few techniques for minimizing server bandwidth when
> > bittorent is not an option.
> >
> > 1) If you have the beta isos, you can rename them as centos 5 isos and
> > then rsync from a mirror that allows rsync (such as kernel.org). Then
> > only changes from beta to centos 5 plus some overhead is downloaded. I
> > suppose you could use this technique with bittorrent too.
> >
>
> if one file near the beginning of the ISO changes size by even a block,
> then the whole rest of the ISO will be different, this will gain you
> nothing.
With bittorrent, that is perhaps true.
Rsync will be able to handle that difference. But if most RPMs are rebuild
that it will have not much matching data.
Wojtek
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