UNIX domain sockets MFC's
Abdullah Ibn Hamad Al-Marri
almarrie at gmail.com
Fri May 11 20:26:39 UTC 2007
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 220.127.116.11. 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
Thanks for clearing this up.
How safe is using 7.0 for MySQL server now?
-Abdullah Ibn Hamad Al-Marri
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