Agreed; my reading of this suggests database caching issues (i.e. all the frontend/middleware clients hitting the main sql cluster at once instead of the memcached farm they normally use), not HTTP/CDN caching issues. -C On Sep 23, 2010, at 7:17 12PM, Jay R. Ashworth wrote:
http://www.facebook.com/notes/facebook-engineering/more-details-on-todays-ou...
Apparently, our surmise about Akamai notwithstanding, the problem was actually internal to their app-specific caching facilities, which went into Sorcerer's Apprentice mode, and they had to kill them all and let ghod sort them out.
More if I get it; hope that posting's public.
Cheers, -- jra
-- Jay R. Ashworth Baylink jra@baylink.com Designer The Things I Think RFC 2100 Ashworth & Associates http://baylink.pitas.com '87 e24 St Petersburg FL USA http://photo.imageinc.us +1 727 647 1274
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