(This may not be 100% accurate; the person who knows most about this is
on vacation, but I'll try to explain to the best of my understanding.)
Those weird URLs are part of a clicktracking process. It's a test to
see how people go about editing the page *most often* (by section, or by
edit tab) and further to see how effective various calls-to-action (such
as those given by Article Feedback) are.
The longevity of the data isn't something I can comment to but I'd be
surprised if it lasted even 3 months. I do not know if there are
identity markers connected to them but I wouldn't be surprised.
To that end, the data is only useful in roll-ups, and wouldn't be
something published anywhere except in aggregate.
On 2/4/12 2:27 PM, Philippe Beaudette wrote:
MZ is correct: 3 months is the purge for Checkuser data.
As to the rest of it, Diederick van Liere, our resident guru of data, will
be checking into this, and will confirm back when we know exactly wht is
intended by the devs for that data. I will say that generally speaking,
the Foundation prefers to maintain the minimum data possible for the
shortest period of time.
Thanks,
pb
___________________
Philippe Beaudette
Head of Reader Relations
Wikimedia Foundation, Inc.
415-839-6885, x 6643
phili...@wikimedia.org
To check my email volume (and thus know approx how long it will take me to
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On Sat, Feb 4, 2012 at 2:19 PM, MZMcBride<z...@mzmcbride.com> wrote:
Fred Bauder wrote:
David Gerard wrote:
3 months I can live with :-) Can someone from WMF just confirm what data
is kept for how long?
The exact time is confidential.
Err, no, I don't think so. It's not defined in the files at
<http://noc.wikimedia.org/conf/>, which means it should be using the
default, as defined at
<
http://svn.wikimedia.org/viewvc/mediawiki/trunk/extensions/CheckUser/CheckU
ser.php?revision=106556&view=markup>. From that file:
---
# How long to keep CU data?
$wgCUDMaxAge = 3 * 30 * 24 * 3600; // 3 months
---
The last attempt to change this value (without community discussion) was
summarily shot down:
<http://svn.wikimedia.org/viewvc/mediawiki?view=revision&revision=40847>.
That's only CheckUser data, though. I'm not sure what David wants confirmed
from the Wikimedia Foundation. Different data has different expiries. A lot
of it is permanent (e.g., revisions aren't going anywhere for the most
part). I guess the question is specific to the ClickTracking extension:
<https://www.mediawiki.org/wiki/Extension:ClickTracking>?
MZMcBride
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