Re: apt-get curiosity
On 28 Feb, Mark Phillips wrote:
>
> I'm using apt-get, which seems to be downloading stuff quite nicely,
> but there is one thing which I am curious about.
>
> On the right side of the downloading status line, it says:
>
> 7h2m21s
>
> which presumably is the amount of time till it finishes downloading.
> It is happily counting down the seconds from this time, till a while
> later when it gives the new estimate:
>
> 7h37m46s
>
> This new estimate happily counts down the seconds for a while, then it
> switches back to the old estimate. It seems to oscillate between
> these two estimates.
>
> Now I have two guesses about why this is:
>
> 1. One is a lower estimate, the other an upper estimate, and the
> display deliberately oscillates between the two.
>
> 2. This behaviour is a strange quirk of the method used to estimate
> time till completion.
>
> Which one is it? Or is there a third explanation?
>
> Cheers,
>
> Mark.
>
>
>
> _/~~~~~~~~\___/~~~~~~\____________________________________________________
> ____/~~\_____/~~\__/~~\__________________________Mark_Phillips____________
> ____/~~\_____/~~\________________________________mark@ist.flinders.edu.au_
> ____/~~\HE___/~~\__/~~\APTAIN_____________________________________________
> ____/~~\______/~~~~~~\____________________________________________________
> __________________________________________________________________________
> "They told me I was gullible ... and I believed them!"
>
>
>
>
I think it does this because it periodicly(sp?) recalculates the time
to d/l based upon the current d/l speed. Since the speed will vary,
the time may seem to jump back and forth a bit.
HTH,
chris
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