FWIW, I have implemented a query-able stand-alone web server that keeps all
of the wikidata property-item-links in memory. This uses the wikidata dumps
which appear to be rather frequent. I'll try do deploy a test version on
wikilabs (once I figure out how all that works); it seems to be more
favourable to such services than the toolserver.


On Fri, Apr 19, 2013 at 9:29 AM, Platonides <platoni...@gmail.com> wrote:

> On 19/04/13 01:19, DaB. wrote:
> > as you may know there is a rev_text_id-field in the revision-table. This
> field
> > points to the text-table where the actual text is – or should be.
> Because the
> > WMF doesn’t store the text here, but only a pointer
> ("DB://cluster25/11458305"
> > for example). If you query different wikis you will see that most of
> them point
> > to the same cluster or one with a number short by. That says me (and I
> was
> > also told so before) that all text of all wmf-projects are stored
> together.
> > The task would now to separate wikidata from the rest – but the
> storage-area
> > has no clue from where a text is which makes the separating very hard.
> And
> > there is another problem: Deleted texts are also in this area, so even
> more
> > filtering would be needed.
> > I very doubt that this situation will change at the TS and I also doubt
> that
> > it will be different for WikiLabs. So I guess your best bet is the API
> here.
> >
> > Sincerely,
> > DaB.
>
> I think the only hope would be if wikidata was stored under its own
> cluster (for easier differenciation) and at least one server of that
> group (the master?) only had that (so toolserver could get its binlogs).
>
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