Re: Linux v.s. Mac OS-X Performance

Greg Smith <gsmith@gregsmith.com>

From: Greg Smith <gsmith@gregsmith.com>
To: pgsql general <pgsql-general@postgresql.org>
Date: 2007-11-28T08:51:54Z
Lists: pgsql-general
On Tue, 27 Nov 2007, Ron Johnson wrote:

> There was a benchmark in Feb 2007 which demonstrated that FBSD 7.0
> scaled *better* than Linux 2.6 after 4 CPUs.
> http://jeffr-tech.livejournal.com/5705.html
> Turns out that there was/is a bug in glibc's malloc().  Don't know
> if it's been fixed yet.

Last I heard it was actually glibc combined with a kernel problem, and 
changes to both would be required to resolve:

http://kerneltrap.org/mailarchive/linux-kernel/2007/4/3/73000

I'm not aware of any resolution there but I haven't been following this 
one closely.

--
* Greg Smith gsmith@gregsmith.com http://www.gregsmith.com Baltimore, MD