FreeBSD 5.3 SMP freezes with MySQL 4.1
Young Lee
ncisoft at 163.com
Tue Apr 12 09:24:10 PDT 2005
I had repeated the panic by reset debug.mpsafenet from 0 to 1,
after that, the system automatically reboot after several hours,
and if debug.mpsafenet was set to 0, the system is stable.
so i guess this is a tcp stack or NIC driver SMP thread-safe issue,
normally my server got over 1000 interrupts/s on bge, I have plan
to replace the onboard bge NIC to fxp and set debug.mpsafenet
to 1 to see what will happen this week.
--
Young Lee
On Thu, 31 Mar 2005 18:03:08 +0200
Uzi Klein <uzi at bmby.com> wrote:
> Young Lee wrote:
> > Thank you very much. My server's uptime last two days by refer to
> > Klein's configuration, it's impactful, thanks to Klein.
> >
> > My concern of stablility is focus on mysql's build options as
> > BUILD_STATIC & BUILD_OPTIMIZED, but it looks like ridiculous
> > without any logicality, build_static should have not any different
> > between dynamatic lib. I will do some testing after the current
> > configuration to be proven by uptime over one week, and try to
> > find out how to repeat the panic.
> >
>
> I think the real change was usin linuxthreads for SMP honestly.
> The BUILD_STATIC & BUILD_OPTIMIZED only increase speed by not setting
> shared libs and enables assembly AFAIK.
>
> --
> Uzi Klein
> Software Development Manager
> BMBY Software Systems Ltd
> 2 Hataasia St., Yokneam, Israel
> P: +972 4 959 79 89
> F: +972 3 617 93 36
> http://www.bmby.com
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