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