[erlang-questions] Improved IO polling in erts

Lukas Larsson <>
Mon Sep 11 15:36:07 CEST 2017


I've pushed a number of bug fixes to the branch on github.

Again I would like to encourage you all to try the changes out and see if
you can notice any differences in your system.

Lukas

On Tue, Aug 29, 2017 at 8:11 PM, Lukas Larsson <> wrote:

> Hello everyone,
>
> I've just opened up a new PR at github containing a solution to the
> scalability problems that the current polling mechanism in erts has. You
> can read more about it in the PR here: https://github.com/
> erlang/otp/pull/1552.
>
> Our internal measurements have shown great potential, but creating
> realistic benchmarks is very hard. I would therefore encourage as many as
> possible to test and see how the changes proposed effects your
> applications. Please come back with any findings/questions, be they good or
> bad. As this is an essential part of many applications, we want to make the
> new implementation as good as can be.
>
> Lukas
>
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