Erlang's 99.9999999% (nine nines) reliability
Erlang was reported to have been used in production systems for over 20 years with an uptime percentage of 99.9999999%. I did the math as the following: 20*365.25*24*60*60*(1 - 0.999999999) == 0.631 s That means the system only has less than one second of downtime during the period of 20 years. I am not trying to challenge the validity of this, I am just curious about how we can shut down a system
Nine Nines
Cowboy Small, fast, modern HTTP server. Cowboy is the ultimate server for the modern Web with support for Websocket, HTTP/2 and REST. Source Code User Guide Manual Cowlib Support library for the Web. The Web toolbox for HTTP/1.1, HTTP/2, Websocket, Multipart, Cookies, URL encoding... Source Code Manual
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What's all this fuss about Erlang? | The Pragmatic Bookshelf
Nine Nines: Cowboy User Guide
ninenines/cowboy · GitHub
