[erlang-questions] Status of kqueue on FreeBSD
Sat Apr 21 23:12:52 CEST 2007
Would this mean that for an Erlang application with a large number of
sockets (several hundred), OpenBSD might outperform FreeBSD?
On 4/19/07, Rickard Green <rickard.s.green@REDACTED> wrote:
> Alex Arnon wrote:
> > Hi Rickard,
> > Is there also such problem on OpenBSD or NetBSD? Or can I safely use
> > kqueue on those platforms?
> We haven't had any problems with kqueue on OpenBSD in our daily builds.
> For NetBSD I cannot give you an answer, since we haven't got any NetBSD
> daily build machines.
> > In any case, is there an alternative option?
> Using poll/select is of course an alternative, but no other kernel-poll
> alternative (our configure test is written to prefer /dev/poll and
> epoll, but those interfaces will probably not be present).
> Rickard Green, Erlang/OTP, Ericsson AB.
> > Cheers,
> > Alex.
> > On 4/18/07, *Rickard Green* <rickard.s.green@REDACTED
> > <mailto:rickard.s.green@REDACTED>> wrote:
> > Oscar Hellström wrote:
> > > Hi,
> > >
> > > I've understood that kqueue support is disabled on FreeBSD due to
> > issues
> > > with (at least) pipes. I've also forced Erlang to build with
> > > support on FreeBSD and are experiencing weird behaviors.
> > >
> > Kqueue's EVFILT_READ didn't always trigger when writing on a pipe
> > writev (depending on the buffer sizes used) on FreeBSD.
> > > I cannot find much on this issue on the web though, is this an
> > > issue or a FreeBSD issue?
> > FreeBSD
> > > Is there work going on to solve it etc?
> > >
> > Not at OTP.
> > > Best Regards
> > BR,
> > Rickard Green, Erlang/OTP, Ericsson AB:
> > _______________________________________________
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> > erlang-questions@REDACTED <mailto:erlang-questions@REDACTED>
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