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The Friday 2007-04-27 at 09:49 +0200, Klaus Kaempf wrote:
> > Perhaps you could add a tunning control (user accesable) to be able to
> > chose deltas, patches or whole rpm depending on the sizes of each and the
> > network bandwidth, and the available memory?
> >
> > Just an idea.
>
> And a good one.
>
> But how should the updater decide which one to use ?
That's the question! O:-)
> Automatically based on cpu power, memory and network ?
> Configurable by user ?
> Based on size of package ?
> ...
>
Al of them... automatically based on cpu, memory, network, and size of
package, plus user configuration. A triffle.
I don't know. Perhaps some thing that, based on previous assumptions
guestimates how long will it take on each road, and decide. The
calculation will depend a lot on each particular machine setup, so it's
doubtfull it can be acurately calculated, so perhaps best thing is to base
decisions on data from previous sessions. And unless that data is feedback
to you, you want be able to initialize the functions properly - but that
opens another problem, because people is sensitive to to data gathering.
Or from user configuration altogether.
A user on an expensive network will probably want deltas all the time, and
one on a cheap, big pipe will prefer big packagaes in full.
It's not simple to calculate...
- --
Cheers,
Carlos E. R.
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