From owner-freebsd-stable@FreeBSD.ORG  Mon Jun 13 15:34:26 2005
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Date: Mon, 13 Jun 2005 11:34:24 -0400 (EDT)
From: Daniel Eischen <deischen@freebsd.org>
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To: Pete French <petefrench@ticketswitch.com>
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Cc: freebsd-stable@freebsd.org, rwatson@freebsd.org, steve@lonres.com
Subject: Re: FreeBSD MySQL still WAY slower than Linux
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On Mon, 13 Jun 2005, Pete French wrote:

> > You can set the environment variable LIBPTHREAD_SYSTEM_SCOPE to force
> > libpthread to use system scope.  This is easier than rebuilding libpthread
> > (with SYSTEM_SCOPE_ONLY defined) and allows you to use M:N for some
> > applications and 1:1 for others.
>
> Is the sysctl kern.threads.thr_scope_sys supposed to achieve the same
> thing ? using the environment variable solves a different problem I
> have, but setting the sysctl doesn't. Is there any way to force pthreads
> to system scope by default ?

kern.threads.thr_scope_sys is for libthr only.

Reread the above for the answer to your last question.

-- 
DE