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by myng111
2 hours ago
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From an infrastructure PoV, I seem to recall that WhatsApp was one of the few major companies that used Erlang, and were famous for being able to run the entirety of WhatsApp on only a few servers, each of which was serving millions of concurrent connections, mostly thanks to Erlang/BEAM (at least, from what I read). When it got acquired by Facebook, they then proceeded to rewrite the entirety of the backend in C++. Seems kind of baffling to me. |
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