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Re: CPAN.org stats
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From:
Ask Bjoern Hansen
Date:
March 22, 2000 13:59
Subject:
Re: CPAN.org stats
Message ID:
Pine.LNX.4.10.10003221348120.14168-100000@impatience.valueclick.com
On Wed, 22 Mar 2000, Matt Sergeant wrote:
> > The cpan.org (+ftp.perl.org etc) ftp/web server alone is throwing more
> > than 2.5GB of Perl modules and source code out a day. (average over the
> > last ~3 weeks)
>
> Might be really cool to get a breakdown of stats for module authors...
yes, but it's not that simple[tm].
I think we talked about it before, but some of the issues are:
People mirroring everything also fetches the never used foobar-0.1 module.
A module updated 3 times in a month gets downloaded 30 times. Another
module doing the same thing haven't been updated for 2 months but got
downloaded 12 times. Which one is more popular?
A module from a popular Bundle (say Bundle::CPAN) gets downloaded a
lot, but might never be used (CPAN::WAIT maybe).
We can only get logs from some mirrors. There could be a big difference in
how the different mirrors are used. (ftp.perl.org probably have more
people mirroring everything than most other sites, funet too). There's a
lot of private mirrors too.
Modules for handling different character sets are probably more popular
with the mirrors in Europe and Asia.
The CPAN site referenced from search.cpan.org might have a larger number
of downloads from users new to Perl. (assuming that more experienced users
will use the CPAN module).
Point being that it's hard to make any reasonable numbers and if you do
that, it will still be easy to read all sorts of stuff that is not there
into them.
But if someone wants to be a CPAN statistican and get logs from around the
world I'll be happy to provide all the logs from my site, cpu power and
diskspace to crunch the numbers and whatnot. :)
- ask
--
ask bjoern hansen - <http://www.netcetera.dk/~ask/>
more than 70M impressions per day, <http://valueclick.com>
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