It's used for monitoring, not the actual trading. The Erlang scheduler is fantastic, but it targets a context switch roughly every 1ms, it's obviously not suita

It's used for monitoring, not the actual trading. The Erlang scheduler is fantastic, but it targets a context switch roughly every 1ms, it's obviously not suitable for HFT where a process must respond to a network event within microseconds. https://hackernoon.com/successful-companies-use-erlang-and-elixir-470188bceb9f https://hackernoon.com/successful-companies-use-erlang-and-e... > Erlang is used as part of the real-time monitoring solution for this distributed trading system. http://zerohedge.blogspot.com/2009/07/is-case-of-quant-trading-industrial.html http://zerohedge.blogspot.com/2009/07/is-case-of-quant-tradi... > Implemented a real-time monitoring solution for the distributed trading system using a combination of technologies (SNMP, Erlang/OTP, boost, ACE, TibcoRV, real-time distributed replicated database, etc) to monitor load and health of trading processes in the mother-ship and co-located sites so that trading decisions can be prioritized based on congestion and queuing delays.