WhatsApp server serves over a million TCP connections
The developers of the popular program WhatsApp Messenger reported on a blog that they optimized the server backend to improve performance, uptime and scalability. As a result, they managed to achieve that one server serves more than a million tcp-sessions.
WhatsApp backend works on FreeBSD + Erlang. They are not the first to achieve a million simultaneous tcp sessions on the same server.
$ netstat -an | grep -c EST
1016313WhatsApp backend works on FreeBSD + Erlang. They are not the first to achieve a million simultaneous tcp sessions on the same server.
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Source: https://habr.com/ru/post/129035/
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