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I was thinking about this the other day. This airplane is functioning fine with a failure like that. On the other hand my bug took down the entire fleet of servers the other day. It's terrifying because bug was in the unit tests!

As an industry we suck as reliability and failure handling!

Well, we might not be doing all that badly. Today's computer applications run on machines with billions of components. The machines execute billions of instructions with only a few observable errors. It is something of a miracle that anything works at all.