On Mon, Dec 01, 2014 at 01:05:46PM +0100, Reindl Harald wrote: > > Am 01.12.2014 um 12:57 schrieb Pierre-Yves Chibon: > >On Mon, Dec 01, 2014 at 12:38:24PM +0100, Reindl Harald wrote: > >>Am 01.12.2014 um 12:36 schrieb Alec Leamas: > >>>On 01/12/14 12:29, Reindl Harald wrote: > >>>> > >>>>Am 01.12.2014 um 12:26 schrieb Alec Leamas: > >>> > >>>>>Lets face it: I envy those who can measure the usage from a download > >>>>>counter or so. Can we have something similar? > >>>> > >>>>no - you have no clue which mirror was used without explicit tracking in > >>>>YUM/DNF and given the noise about the recent Firefox changes you won't > >>>>even consider seriously tracking inside the distribution > >>>> > >>>>additionally downloads are meaningless - many setups with more than one > >>>>machine have their local mirrors and a download can be 1, 10 or 50 > >>>>installed instances > >>> > >>>I hesitated when writing my initial message, didn't include this: > >>> > >>>Feedback why this is impossible isn't really helpful here, most of us > >>>are aware of the limitations. Given that we agree on the overall goals > >>>(?), useful input is what can be done, and how > >> > >>it is helpful because the fact it is impossible will shutdown that > >>discussion because - well, it's impossible > > > >The question becomes, is any numbers better than no number? > > > >In theory, we could get an idea of how much a package is downloaded. Mirror are > >syncing all the content, so they introduce a baseline while user is what > >introduce the variability. > >So if we were to be able to gather logs from a) the main repos + b) some > >volunteer repos, we could get a trend. > >The number would of course not be exact as you mentioned but we could get an > >idea, something like: we have 132 mirrors and my package was downloaded 133 > >times, which potentially means there is one user (me) using that package. > >There might be more, but if no-one ever reports a bug and we see the number of > >download is basically equal to the number of mirrors, we can get an impression > >that this package isn't used by many people. > > > >So we come back to the question: is any number better than no number at all? > >Even to get a trend? > > no number is in fact better than wrong numbers backed by nothing beause they > lead in wrong conclusions - your 122/133 numbers could in reality also be > 1000 users installed them from mirrors and your calculation is the best > example for wrong assumptions Well statistically, if 1000 users download the package, some will hint the main mirrors, or there is a big geographic skew in the data (which is also possible of course). > you don't have 132 downloads because 132 mirrors > in fact you have *zero* - mirrors are done with rsync So the baseline is even easier to determine :) Piere
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