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by MrBuddyCasino·12y ago·view on hn ↗
I'm curious if these kinds of setups are also used in other high-freq scenarios.

For instance, I could imagine using techniques like userland network stack and reserving cores exclusively in services like WhatsApp. I think they're currently on a highly customized Erlang stack and are able to handle huge numbers of queries per machine. Any insiders here with a good background story?

2 comments
You imagine correctly :)

I work in finance and have for the past 6.5ish years in electronic trading.

They're used as "First level triggers" at some LHC experiments to pick out which collisions are interesting enough to store data from.