Facebook Engineering on today's outage
rekoil at semihuman.com
Fri Sep 24 15:43:23 CDT 2010
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.
On Sep 23, 2010, at 7:17 12PM, Jay R. Ashworth wrote:
> 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.
> -- jra
> Jay R. Ashworth Baylink jra at baylink.com
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