On Tue, Apr 7, 2009 at 8:57 AM, <jida...@jidanni.org> wrote: > I'm curious what does > SELECT COUNT(DISTINCT old_text), COUNT(*) FROM text; > show on Wikipedia's database? On mine I get > COUNT(DISTINCT old_text): 2913 > COUNT(*): 3560 > I.e., 1/7 of the rows are redundant. > > Currently undos, so frequent on wikis, just blindly create a duplicate row > instead of checking if the old one could be reused, > https://bugzilla.wikimedia.org/show_bug.cgi?id=18333 . Maybe some hardware > savings could even be achieved. > From my understanding they have to be kept within the system to keep us within the GFDL licenseing terms.
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