DNF: why does it refresh metadata all the time
Reindl Harald
h.reindl at thelounge.net
Fri Jun 20 10:19:35 UTC 2014
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
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