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.
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philippe@wikimedia.org
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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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