Date: Fri, 20 Mar 2009 11:57:00 -0800 From: Mel Flynn <mel.flynn+fbsd.questions@mailing.thruhere.net> To: Matt Juszczak <matt@atopia.net> Cc: freebsd-questions@freebsd.org Subject: Re: MySQL 5.0 on FreeBSD 7 Message-ID: <200903201157.01180.mel.flynn%2Bfbsd.questions@mailing.thruhere.net> In-Reply-To: <alpine.BSF.2.00.0903201444500.37325@pluto.atopia.net> References: <alpine.BSF.2.00.0903201338190.29988@pluto.atopia.net> <200903201015.00654.mel.flynn%2Bfbsd.questions@mailing.thruhere.net> <alpine.BSF.2.00.0903201444500.37325@pluto.atopia.net>
next in thread | previous in thread | raw e-mail | index | archive | help
On Friday 20 March 2009 10:46:20 Matt Juszczak wrote:
> > You're confusing linux-threads with pthreads. The performance boosts
> > mentioned are done using the FreeBSD Posix threads ("pthreads") library,
> > in FreeBSD 7.x they are implemented using libthr(3).
> > The benchmarks also assume you are using SCHED_ULE, rather then
> > SCHED_4BSD. Nothing should be configured if you run GENERIC later then
> > 7.0-RELEASE.
>
> Mel,
>
> So, from a standard FreeBSD 7.x install:
>
> - Recompile kernel to use SCHED_ULE
7.1 and 7-STABLE later then feb 2008 all have SCHED_ULE as default.
Only 7.0-RELEASE has SCHED_4BSD as default.
> - In the port, use: BUILD_OPTIMIZED=yes
> - In the port, use: WITH_PROC_SCOPE_PTH=yes
> - In the port, use: BUILD_STATIC=yes
Yes. If you don't mind loosing the ability to kill off sleeping connections,
you can add WITHOUT_THR_ALARM.
> And that should be it? So the "libpthread" they discuss in the
> description for WITH_PROC_SCOPE_PTH is different than the linux pthreads?
Yes. Linux threads is a port of the linux threading library
(devel/linuxthreads).
--
Mel
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200903201157.01180.mel.flynn%2Bfbsd.questions>