Alex Druk, 12/05/2015 07:56:
Going from 86,000,000 a month to 31,000 a month is quite a drop, and the shift is pretty dramatic. It goes from 1.7 million one day to 715 the next and stays flat (http://stats.grok.se/en/201410/Special:Random).
That's expected. The new data excludes redirecting URLs (requests which got a 301, 302 or 303 status code. https://phabricator.wikimedia.org/T73790
Nemo