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Groups > linux.debian.user > #180726

Re: Installation Input required

From Henrique de Moraes Holschuh <hmh@debian.org>
Newsgroups linux.debian.user
Subject Re: Installation Input required
Date 2017-05-05 16:10 +0200
Message-ID <tDM5I-2OG-21@gated-at.bofh.it> (permalink)
References <tDHfH-7Oz-13@gated-at.bofh.it> <tDI27-8l5-21@gated-at.bofh.it> <tDLjj-2bY-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Fri, 05 May 2017, Richard Owlett wrote:
> >The advantage of Jigdo for the DVD mirror servers is that the bulk
> >of data can be fetched from Debian servers which provide packages.
> >Jigdo loads a compressed ISO image with lots of holes and then loads
> >all the package files which fit exactly into the holes.
> 
> That eases problems for Debian servers, I don't see an advantage to me.

Correct when your issue is low-bandwidth or bandwidth cap.  Jigdo cannot
help, there... but a direct image download wouldn't, either: buying a
DVD/BD set makes more sense.

Jigdo is indeed a direct advantage for the Debian mirror network, and an
indirect advantage to users that would download the image sets from the
mirrors: we would [likely] not be able to provide the larger images *at
all* nowadays on most mirrors.  Jigdo solves that *important* issue.

Jigdo can also be a direct advantage (as in: it will be much faster) for
an user that has a close (or even local) mirror that does not carry the
full DVD/BD images, though:  it will download >95% of the data from the
close mirror, and rsync whatever is missing from the (relatively few)
mirrors that have the full images.

Evidently, when the mirror closer to you also happens to mirror the full
DVD/BD images, downloading those directly makes sense.

-- 
  Henrique Holschuh

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Thread

Installation Input required Ashok Inder <ashoka.inder.dev@gmail.com> - 2017-05-05 11:00 +0200
  Re: Installation Input required <tomas@tuxteam.de> - 2017-05-05 11:20 +0200
    Re: Installation Input required Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-05-05 20:50 +0200
  Re: Installation Input required "Thomas Schmitt" <scdbackup@gmx.net> - 2017-05-05 11:50 +0200
    Re: Installation Input required Richard Owlett <rowlett@cloud85.net> - 2017-05-05 15:20 +0200
      Re: Installation Input required Henrique de Moraes Holschuh <hmh@debian.org> - 2017-05-05 16:10 +0200
      Re: Installation Input required "Thomas Schmitt" <scdbackup@gmx.net> - 2017-05-05 16:20 +0200
      Re: Installation Input required David Wright <deblis@lionunicorn.co.uk> - 2017-05-05 17:50 +0200
      Re: Installation Input required Stefan Monnier <monnier@iro.umontreal.ca> - 2017-05-05 19:50 +0200
  Re: Installation Input required Richard Owlett <rowlett@cloud85.net> - 2017-05-05 15:20 +0200

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