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

[Dror Mein]

>From shell:
1> SendFunc = fun(Pid, Msg, Times, Func) when Times>0 -> Pid ! Msg, Func(Pid, Msg, Times-1. Func); (_,_,0,_)-> ok end.
2> F = SendFunc(Pid, <<00>>, 300000000, SendFunc).
3> spawn(F).

where Pid is the pid of a simple receive function on the other node, that counts messages. 


________________________________
 From: Gleb Peregud <gleber.p@REDACTED>
To: Dror Mein <drormein@REDACTED> 
Cc: Erlang-Questions Questions <erlang-questions@REDACTED> 
Sent: Tuesday, July 2, 2013 10:11 AM
Subject: Re: [erlang-questions] Is there a lomit on erlang vm nodes connection speed
 

I was able to get 5+gbps over multiple connections out of a single
Erlang VM. Max probably did even more. There is no explicit limit in
connection speed. Show us your code and we'll probably be able to tell
you why it can not get good throughput.

On Tue, Jul 2, 2013 at 8:47 AM, Dror Mein <drormein@REDACTED> wrote:
> 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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