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Still Running!

It is a bad day for some of the Amazon Cloud (see this for a report how Reddit, Airbnb, Github, CourseEra, Flipboard and many more went down).

Fortunately, we have been working on expanding our redundancy and failover.  And this was a good test of these expanded capabilities.  We were able to survive without manual intervention.  Our affected servers failed over to a different Amazon Zone without impacting customers.  You can read more about our Redundant Cloud Architecture in this post, as well as see our current architecture diagram here.

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