Well it's time for more alpha code, and I'm a bit behind on my mail from the weekend, so if there is stuff I should be replying to, that will happen tomorrow. As of MW 1.19 we ise interwiki.cdb on the projects, instead of the sql table. This makes life harder for folks setting up their own copies. So here's some docs and a tool, not vetted by anyone at all yet:
http://www.mediawiki.org/wiki/Interwiki_cache#Setting_this_up_on_your_own_wi...
Please follow the link to the 'cheap(er) way' if you are willing to be a guineau pig. Also if you see errors or know something that was left out, feel free to edit. Hey, it's a wiki!
Thanks,
Ariel