Hi!
A second change I made
afterwards:
https://www.mediawiki.org/w/index.php?title=Wikibase/Indexing/Updater_perfo…
All I'm looking for is either a "Yes, that's mostly right" or a
"No,
change x, y, z".
Looks good to me. I've made small corrections, but overall it's good.
Thanks!
--
Stas Malyshev
smalyshev(a)wikimedia.org