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News & Views

Posted by Barbie
on 3rd July 2014

Back at the 2014 QA Hackathon in March, Neil Bowers asked about the frequency of testers submitting reports. We looked at a few different stats, and he blogged about it in How soon do CPAN Testers start testing your releases?. However, he also gave me the idea to look some other statistics to do with when authors release their distributions.

This idea is now available as the CPAN Submission Rates pages and graphs on the CPAN Testers Statistics site. When I have a bit more free time, I'm going to look at providing the preceeding few ranges, so that for day of the week, I'll include the previous 4 weeks individually. This will hopefully show the fluctuations in each period a little more clearly. However, as a first step it does show that as authors we are pretty much consistent with our releases over the lifetime of CPAN.

The one graph that does show a noticeable difference is the hour of release. I had expected this to be reasonable even, but the fact that there is a dip around 05:00 UTC and two peaks around 15:00 UTC and 21:00 UTC did suprise me. I'm guessing the first peak equates with European submissions and the second with American submissions. However, we have plenty of authors in Australia, Japan, China and Korea, so I am suprised that there isn't a similar peak somewhere between 03:00 UTC and 05:00 UTC. It might be interesting to filter the results using the wealth of Acme::CPANAuthors::* modules to figure out what periods each group favours. If anyone fancies patching CPAN::Testers::WWW::Statistics, or even setting up their own statistics page for that, please let me know.

If you have any more ideas for these sorts of statistical analysis, please post to GutHub or RT.

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