DNF: why does it refresh metadata all the time
Mat Booth
fedora at matbooth.co.uk
Fri Jun 20 10:36:39 UTC 2014
On 20 June 2014 11:19, Reindl Harald <h.reindl at thelounge.net> wrote:
>
>
> Am 20.06.2014 11:57, schrieb Mat Booth:
> > On 20 June 2014 10:19, Reindl Harald <h.reindl at thelounge.net <mailto:
> h.reindl at thelounge.net>> wrote:
> >
> > Am 20.06.2014 08:55, schrieb drago01:
> > > On Thu, Jun 19, 2014 at 8:59 PM, Jared K. Smith
> > > <jsmith at fedoraproject.org <mailto:jsmith at fedoraproject.org>>
> wrote:
> > >> On Thu, Jun 19, 2014 at 2:01 PM, Reindl Harald <
> h.reindl at thelounge.net <mailto:h.reindl at thelounge.net>>
> > >> wrote:
> > >> Whether you like it or not, one of the most common complaints
> about yum
> > >> (especially from people coming from another package management
> system) is
> > >> that it seems slow because of the necessity to download the
> metadata. The
> > >> DNF developers -- in trying to address this common complaint --
> had solved
> > >> it by handling metadata in a different way. They've also added
> settings so
> > >> that power users like you and I can tune it to better fit our
> particular
> > >> needs.
> > >>
> > >>> and *no* traffic is not cheap everywhere, by far not
> > >>
> > >> I probably understand this better than a lot of people on this
> list, as I've
> > >> been on a bandwidth-limited connection for the past nine years.
> Only in the
> > >> past month have I been able to get high speed internet in my home
> that
> > >> wasn't limited to a few gigabytes per month. So yes, I completely
> > >> understand that traffic isn't cheap (or fast) everywhere.
> > >
> > > It should be at least smart enough to not do it on mobile broadband
> > > (like packagekit does)
> >
> > how should it do that?
> >
> > it's imagination that any software knows anything about the internet
> connection
> > even 11 years ago with a 56k modem that access was shared for my LAN
> and so
> > the only thing the notebook knew about the inernet was "appears to
> be slow"
> >
> >
> > IIRC, NetworkManager's DBus API should be able to give you that
> information
>
> from where should it get that information if your network connection is
> a Gigabit-Ethernet LAN to the router with a slow DSL upstream?
>
> your whole machine has no idea about your WAN connection
>
>
Woah there... The suggestion was to simply let it be "smart enough to not
do it on mobile broadband" to which you asked "how?"
I answered only that question.
--
Mat Booth
http://fedoraproject.org/get-fedora
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