99.9999999% up time!

Just fin­ished watch­ing a good video by Bryan Hunter titled Erlang for C# Devel­op­ers where he told a great sto­ry about the first project Erlang was used in inside Eric­son and how they man­aged a Nine Nines uptime with that project.

For any­one who’s won­der­ing what ‘Nine Nines’ means, it means the ser­vice is avail­able 99.9999999% of the time or, a total of 32 mil­lisec­onds of down­time a year! Unbe­liev­able!


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