But Network World reader Biju Chacko commented that he experienced a multiple-AZ failure. "This is clearly an AWS screwup - their recommended redundancy strategies are not working," he wrote in a comment.
This is the third significant outage AWS has experienced in the past two years. In late June, powerful storms that led to power outages in the mid-Atlantic region were partially the cause of an outage that then was worsened by bugs and bottlenecks within AWS's system. The company issued a detailed postmortem report after that event.
In April 2011, AWS experienced another major outage that took down Reddit, Foursquare, HootSuite, Quora and others, some for as many as four days.
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