Amazon Web Services has issued a a postmortem of a Christmas Eve cloud computing outage that took many services — most particularly Netflix — offline for a apportionment of a night. The cause, according to AWS: A developer incidentally deleted Elastic Load Balancer state information in Amazon's US-East segment that a service's control craft needs in sequence to conduct bucket balancers in that region.
All told, a outage (which began during 12:24 p.m. PT) lasted 23 hours and 41 mins and, during a peak, crippled 6.8 percent of bucket balancers in a segment while withdrawal others using — despite incompetent to scale or be mutated by users. The Elastic Load Balancer group didn't comprehend a base means of a problem for several hours, during that indicate it began the
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Source:
http://www.news.ezonearticle.com/2012/12/31/amazon-blames-human-error-for-xmas-eve-outage-netflix-vows-better-resiliency/
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