How can we speed up rpm downloads?

cornel panceac cpanceac at gmail.com
Thu Jun 12 19:18:56 UTC 2008


parallel downloads is the answer imho. ( or at least one of the answers :) )

2008/6/12 Justin Conover <justin.conover at gmail.com>:

>
>
> On Thu, Jun 12, 2008 at 12:40 PM, Caolan McNamara <caolanm at 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 at 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.
>>
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>>
>
> 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.
>
>
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