On Thu, Jul 26, 2001 at 12:27:05AM +1000, jason andrade wrote:
> On Wed, 25 Jul 2001, Richard Atterer wrote:
> > - getting rid of rsync. rsync is a cool program and works well for
> > syncing images between mirrors, but it's not good to use for end
> > users because it puts such a high load on the server. (Also,
> > corporate firewalls often block the port.)
>
> i would agree to a certain point - rsync is a great tool for
> intermirror stuff.. but it doesn't scale at all well - i believe it
> is on the todo list for rsync 3 if/when it gets developed.
AIUI there are patent issues once the rsync algorithm is reversed to
shift more of the work to the client. Grrr...
[If you want, I could dig out the relevant message from my archive of
the rsync list; an employee of the company holding the patent stated
his own, *unofficial* opinion that reversing the algorithm would
definitely violate the patent in their eyes, even though they might
not prosecute the violation.]
Also, the authors of rsync have been "maintaining" rather than
"developing" it for a long time now - no good sign for a V3...
> > jigdo by itself cannot generate the image. It's more like a
> > post-processing stage: The finished image is fed to jigdo which
> > generates the much smaller ".template" file, in which .deb package
> > contents are replaced with references to the package (via a
> > checksum). Using the template and your local Debian mirror, you
> > can recreate the image.
>
> so the end user runs jigdo and points it at their closest mirror and
> it builds the image for em - much like PIK ?
Exactly! The way I imagine it, all the end user will ever see is a
small app which looks roughly like Netscape's SmartDownload tool.
Cheers,
Richard
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