F21 downloads repository metadata in 3 places!

Robert Marcano robert at marcanoonline.com
Mon Dec 15 04:27:43 UTC 2014

On Dec 14, 2014 10:12 PM, "Kevin Kofler" <kevin.kofler at chello.at> wrote:
> Sudhir Khanger wrote:
> > Most decision are being made on two assumptions 1. people have fast and
> > unlimited internet connections and 2. people have high RAM and multiple
> > core CPU powerful computers. Both of these assumptions are arbitrarily
> > best. DNF regularly downloads cache, disables delta RPM support,
> It's actually ENABLING DeltaRPM support (as the latest DNF update now
> that makes assumption 2. DeltaRPMs reduce download bandwidth consumption
> the expense of a lot of CPU power. It's a tradeoff between 1. and 2. If
> have 1. more than 2. (as is the case for me), then DeltaRPMs actually make
> your updates slower. If you have 2. more than 1., they make your updates
> faster.

I don't know why the time to rebuild rpms is important, updates are now
applied at boot time, so rpms can be rebuilt with smaller nice/ionice
before the user reboots (on Workstation product). Meanwhile bandwidth cost

>         Kevin Kofler
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