[erlang-questions] Is there a lomit on erlang vm nodes connection speed

[Dror Mein]

I'm trying to send data between two nodes on two different servers, that talk through a 10 Gbps switch. Running iperf on the connection shows consistent 5-7 gbps throughput. But with Erlang I can't exceed 300Mbps, when looking through iptraf, and all I do is send data from one node to a dummy process on the other.
Is there a limitation on connection speed on erlang? Is there a flag that need to be configured?
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