Hi,
So on Tuesday, August 10th I'm going to go ahead and turn on CirrusSearch as the default for mw.org. There's still some bugs[0], and I'm sure people will find more[1].
Once it's default you can revert to the old lucene backend using srbackend=LuceneSearch like you can do now with Cirrus.
-Chad
[0] https://bugzilla.wikimedia.org/buglist.cgi?list_id=231822&resolution=---... [1] https://bugzilla.wikimedia.org/enter_bug.cgi?product=MediaWiki%20extensions&...