Στις 26-09-2011, ημέρα Δευ, και ώρα 17:59 +0300, ο/η Ariel T. Glenn
έγραψε:
> Στις 26-09-2011, ημέρα Δευ, και ώρα 08:47 +0200, ο/η melvin_mm έγραψε:
> > Ariel T. Glenn<ariel<at>  wikimedia.org>  writes:
> > >  Στις 26-09-2011, ημέρα Δευ, και ώρα 02:20 +0200, ο/η melvin_mm έγραψε:
> > >  >  Ok, thanks! So in pages-meta-history, those ~33.000.000 archived /
> > >  >  deleted revisions are not included. Probably this number consists of
> > >  >  content from all Namespaces.
> > >  >  What about the 37.000.000 revisions that are left now?
> > >  >
> > >
> > >  I guess that the wikistatistics.net page must get its values from
> > >  Special:Statistics, since I see today that total number of edits as of
> > >  Mon 26 Sept 2011 05:47:31 am UTC is 487,971,977, which is not far off
> > >  from wikistatistics' value of 487 914 061. However, this number is not
> > >  guaranteed to be accurate.  The real number is
> > >
> > >    mysql>  select max(rev_id) from revision;
> > >  +-------------+
> > >  | max(rev_id) |
> > >  +-------------+
> > >  |   452476647 |
> > >  +-------------+
> > >  1 row in set (0.00 sec)
> > >
> > >  Ariel
> > 
> > Thanks! Summing up:
> > 412.482.641 counted "<revision" tags in 20110901
> > +
> > 33.263.574 deleted revisions not included in pages-meta-history
> > +
> > 5.391.296 revisions from September 1st to September 26th (according to
> > wikistatistics.net, with 482.522.765 on September 1st)
> > we get to
> > 451.137.511
> > .
> > 
> > About 1.339.136 left from the current rev_id from the database. Where
> > could the missing ones be? Incorrect wikistatistics.net results?
> 
> So I'd prefer not to count fromm a bunch of different times and web
> sites.  Here's what I can tell you:
> 
> Sometime after Sept 1 16:06:24 UTC and before Sept 1 17:24:20 there were
> 412482641 revisions not deleted, according to the dumps. 
> 
> On Sept 1 at 16:32 there were a total of 447880000 revisions, including
> deleted revisions.
> 
> That gives a difference of 35397359 deleted revisions (revisions no
> longer in the revision table).  Some of those are outright deleted, and
> therefore among the 33000000 or so that landed in the archive table.
> 
> When a page gets restored it and all the revisions get new ids. the old
> ids don't point to anything any more, they are unused.  I suppose that
> is true for undeleting selected revisions as well. That is where the
> missing revisions are going to be.

Clarification: this is the old behavior for revisions before mid-2005.
Newer revisions keep their revision ids.

Ariel



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