Re: Selective checkout of www

[Thérèse Godefroy]

Le mardi 03 septembre 2013 à 17:59 +0000, Ineiev a écrit :
> On 09/03/2013 10:08 AM, Thérèse Godefroy wrote:
> > Le mardi 03 septembre 2013 à 12:29 +0400, Ineiev a écrit :
> > I alternated downloads with your script (select-www-co) and
> > mini-www-checkout, between 8:44 and 9:09 UTC. Here are the download
> > times:
> > 
> > select-www-co:    102s (started at 8:44:00) 
> >                    37s (8:51:00)
> >                   201s (8:54:00)
> >                    92s (8:58:30)
> >                    79s (9:00:30)
> >                    51s (9:06:30)
> > mini-www-co:       36s (8:48:00)
> >                    31s (8:52:00)
> >                    18s (8:57:30)
> >                    40s (9:03:00)
> >                    53s (9:05:00)
> >                    39s (9:08:30)
> > 
> > The number of items and the total size are slightly larger with your
> > script: 1991 (21.7 MB) vs. 1954 (21.3MB), but that doesn't explain the
> > difference in average download time. Bad luck, maybe?  ;)
> 
> I think so. the dispersion of checkout times is very high, so
> the sample may not be representative. select-www-co does download
> 5% more data and spends more time in computations, but the difference
> must not be so big.

The difference is visible also when running the 2 scripts in parallel,
in 2 terminals. But who cares for 10 seconds, after all, when we are
saving from 15min to over an hour?

Thérèse