FreeBSD - Another example why dotcom servers choose FreeBSD

1 million concurrent TCP session, what kind of app need this???

Is WhatsApp :D

Over the past few months we have been making a lot of improvements to our servers to increase the performance, uptime and scalability. Today we have tuned some knobs, shifted some traffic around and achieved 1 million established tcp sessions on a single machine (and with memory and cpu to spare!)

$ netstat -an | grep -c EST

We are extremly proud of this achievement and wanted to share with other tech minded people out there. For those curious how we did it, the technology on the backend is simple: FreeBSD + Erlang

Taken from here.

Ciao !!!

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