> On 11 May 2015, at 01:47, Kent Fredric <kentfred...@gmail.com> wrote: > So the quality of a dist could be measured indirectly by the failure rate of > its dependents.
This was kind of the basis of the “River Smoker” idea that Tux and and I discussed late on the last day of the QAH: http://neilb.org/2015/04/24/cpan-downstream-testing.html > Or as an analogy, we have 2 sampling points in the river 100m apart. > > If we sample at point 1, we can't sense the fecal matter because it enters > the river downstream of the sampling point. > > But the fecal matter is sampled at point 2, so by conjecture, either point 2 > created it, or it entered between points 1 and 2. > > Sampling across the river at point 2 helps infer where the probable fecal > matter is. Sort of a cpan bisest, or rather a cpan testers bisect: look at 2 or more CPAN Testers fails where the only difference is an upriver version number. Neil