[erlang-questions] kqueue support

[Kip Macy]

On Nov 19, 2007 7:47 AM, Lev Walkin <vlm@REDACTED> wrote:
>
>  From the looks of it, someone's looking into this list:
>
> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/kern/sys_pipe.c
> http://lists.freebsd.org/pipermail/freebsd-arch/2007-September/006790.html
>


Thanks for that information - Bob mentioned switching to Linux because
of this issue but when I tried to follow up with the list about a
month ago I got absolutely no responses. Bear in mind that this patch
has only gone into HEAD, in order to be useful it needs to be MFC'd to
RELENG_6 and RELENG_7. Assuming that happens, it will be fixed in 6.3
and 7.0.

-Kip


>
> === cut ===
> Mon Nov 19 15:05:20 2007 UTC (36 minutes, 42 seconds ago) by dumbbell
>
> This should fix issues with Erlang (lang/erlang) and kqueue.
> Reported by:    Rickard Green (Erlang)
> === cut ===
>
>
> George B Hazan wrote:
> >    Hello.
> >
> > Is it possible to enable the kqueue support in erlang under FreeBSD
> > 6.2-STABLE #13? Note says that 5.2 & 5.3 have some problems with kqueue, but
> > maybe new versions are more stable? At least a lot of software uses it under
> > FreeBSD without problems... The problem is that ejabberd uses 60% of cpu
> > under 1000 http-bind connections, and kqueue is known to be a great CPU
> > saver.
> >
> > Right now I got the following error:
> > ============== 8< ============== >8 ==============
> > checking for working poll()... ok
> > checking whether kqueue() is known to be broken... yes; FreeBSD
> > implementation
> > checking whether kernel poll support should be enabled... configure: error:
> > no; kernel poll support requested but not found
> > configure: error: /bin/sh
> > '/usr/local/ports/work/usr/ports/lang/erlang/work/otp_src_R11B-5/erts/configure'
> > failed for erts
> > ============== 8< ============== >8 ==============
> >
>
>
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