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Re: How can we speed up rpm downloads?



--- On Thu, 6/12/08, Justin Conover <justin conover gmail com> wrote:

> From: Justin Conover <justin conover gmail com>
> Subject: Re: How can we speed up rpm downloads?
> To: "For testers of Fedora Core development releases" <fedora-test-list redhat com>
> Cc: "For users of Fedora" <fedora-list redhat com>
> Date: Thursday, June 12, 2008, 10:54 AM
> On Thu, Jun 12, 2008 at 12:40 PM, Caolan McNamara
> <caolanm redhat com>
> wrote:
> 
> > On Thu, 2008-06-12 at 17:54 +0200, drago01 wrote:
> > > On Thu, Jun 12, 2008 at 5:42 PM, Justin Conover
> > > <justin conover gmail com> wrote:
> > >   At 34MB it still takes
> > > > time, but .deb is 50MB cheaper that the
> .rpm.
> > >
> > > you are comparing two different packages (2.0.4
> and 2.4)
> >
> > There's a few other problems with a direct
> comparison of sizes because
> > they are two packages called "core" with
> somewhat differing content. The
> > Debian "core" package depends on a
> "common" package which is an
> > additional 27megs in size. The content of both of
> these is included in
> > the single Fedora "core" rpm. Additionally
> the default help content is
> > included in the Fedora "core" rpm, which is
> available in the deb
> > packages as help-en_US, which is another additional 11
> megs.
> >
> > Additionally displaying help itself requires the use
> of the core writer
> > libraries to render the html help, in Debian this
> means that the
> > "writer" package is a dependency of help,
> and that's an additional 6megs
> > in size in its .deb. While in Fedora writer is split
> into the optional
> > bits called "writer" and the core required
> for use by help. Shrinking
> > the "writer" rpm by approx 3 megs, and
> inflating the "core" one by the
> > same.
> >
> > To manually extract the various contents for
> side-by-side comparison you
> > can use
> >
> > rpm2cpio something.rpm | cpio -ivd
> > vs
> > ar x something.rpm
> > tar xzf data.tar.gz
> >
> > C.
> >
> > --
> > fedora-test-list mailing list
> > fedora-test-list redhat com
> > To unsubscribe:
> >
> https://www.redhat.com/mailman/listinfo/fedora-test-list
> >
> 
> Ok, everyone in this thread is replying to OOO, that was
> not my intent.  If
> you compare the speed of getting updates in debian and
> fedora, debian is
> much faster.  Forget package size at this point.  Is it
> parallel downloads
> maybe.
> 
> My main deal here is about the speed in which it takes to
> download all
> updates and install.  I was merely trying to understand why
> debian seems to
> be much faster.
> 
> I've been a loyal Fedora user since RH 6.2 or some were
> in there :) so I'm
> not leaving, just trying to understand when i play with it
> once in awhile it
> just handles downloads differently.-- 

As I understand, Fedora 9 was to have deltarpms by default, but it did not get through :(, OpenSuse uses them that is a + for them, As far as debian/ubuntu is concerned I cannot comment on them.  But to update a rawhide machine/fedora 9 machine with dialup and that size of MB is pointless.  I willa get back to testing when I have access to a higher speed connection last week in August.  As of now I have to be selective as to which updates I pick up like kernel updates and such.  

Regards,

Antonio 


      


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