UNIX domain sockets MFC's

[Abdullah Ibn Hamad Al-Marri]

On 5/11/07, Robert Watson <rwatson at freebsd.org> wrote:
> On Fri, 11 May 2007, Abdullah Ibn Hamad Al-Marri wrote:
>
> > On 5/11/07, Robert Watson <rwatson at freebsd.org> wrote:
> >> On Tue, 8 May 2007, Robert Watson wrote:
> >>
> >> > Right now I am tracking two known issues with UNIX domain sockets in
> >> > RELENG_6:
> >> >
> >> > - Reported NULL point derference in unp_connect(), which occurs due to
> >> the
> >> >  dropping of locks around sonewconn().  This is fixed in HEAD, and I am
> >> >  preparing an MFC of this patch.
> >>
> >> The fix for this has now been merged as 1.155.2.22.  As there have been no
> >> new reports of UNIX domain socket problems in the last couple of days, it
> >> sounds like the MFC of the last batch of fixes and cleanups has not lead to
> >> problems.
> >
> > I updated my server which has dual CPU with SMP one hour ago, and I didn't
> > see any speed improvement in the MySQL.
>
> The speed improvements associated with these MFC's is minor; primarily they
> are stability improvements under high load.  There are major performance
> improvements in the 7.x implementation, especially for multi-core systems, but
> I have no current plans to MFC them, as they interact with other system
> components and may depend on other changes that also haven't been MFC'd.
>
> Robert N M Watson
> Computer Laboratory
> University of Cambridge
>

Robert,

Thanks for clearing this up.

How safe is using 7.0 for MySQL server now?
-- 
Regards,

-Abdullah Ibn Hamad Al-Marri
Arab Portal
http://www.WeArab.Net/