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Re: Debian popcon will soon pass 70 000 submissions

On Sun, Jan 06, 2008 at 04:33:42PM +0100, Petter Reinholdtsen wrote:
> The popcon count reached 70 000, and then it started falling.  

I believe popcon.d.o expires entries older than about a month, so the
70k number is measuring `systems configured to report their configuration
to Debian in, that have been able to do so within the last month'. If a
system running oldstable had reported to popcon on day 1, was reinstalled
with stable and re-reported to popcon on day 14, then it'd be counted
once on days 1-13, twice on days 14-30 and once on days 31-onwards, eg,
causing a perceived decrease in systems, when actually the number of
systems is constant.

popcon's better for estimating proportions of systems within the Debian
user base, than comparisons outside it -- how many systems total, how
many compared to Ubuntu, etc.


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