[erlang-questions] Inter nodes messaging bottleneck

Jesper Louis Andersen <>
Tue Dec 10 16:52:30 CET 2013


On Tue, Dec 10, 2013 at 4:09 PM, Eli Cohen <> wrote:

> Is there any flags/parameters that may affect this area?


First thing: Verify that you can actually get the bandwidth you assume
between the two nodes in a raw transmit without any Erlang in between.

Secondly, look at the TCP connection between the two machines. On a 10Gig
interface, it is often the case you need to tune the kernel and the network
card a bit before you can push data flawlessly.
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