[erlang-questions] remote message send latencies on low-latency 10Gb/s hardware

Hynek Vychodil <>
Tue Jan 19 10:45:39 CET 2010


I have measured 50-60us (yes, it is microseconds) ping-pong on
absolutely ordinary 1GB switch and absolutely ordinary endpoints (low
level laptop and 7 years old desktop). It was probably working in
100MB mode ;-)

On Mon, Jan 18, 2010 at 5:10 AM, Bill O'Hara <> wrote:
> Hi,
>
> I wonder if anyone has benchmarked Erlang messaging performance on
> low-latency 10Gb setups, such as machines with Solarflare NICs using
> OpenOnload talking via Arista 10Gb switches?
>
> Given server to switch to server latencies in the single digit
> microseconds, can Erlang remote messaging achieve near this? I guess
> a ping-pong of 15ms or so would be the best case (assuming 6ms one-way
> latency plus some processing time).
>
> Thanks
> B.
>
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>
>



-- 
--Hynek (Pichi) Vychodil

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