On Fri, 11 May 2007, Abdullah Ibn Hamad Al-Marri wrote:
On 5/11/07, Robert Watson <[EMAIL PROTECTED]> 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
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