Server crashing, no explanations

[Alan Gilmour]

Hi Roberto,

There's nothing in /var/crash

Any other ideas?

Cheers

Alan

On 20/05/2008, Roberto Nunnari <roberto.nunnari at supsi.ch> wrote:
> Crash dumps should help.
>
>
> Alan Gilmour wrote:
> >
> > Hey all,
> >
> > We have recently been getting a lot of traffic to one of our sites.
> > The CPU is consistently during busy periods using 100% utilisation.
> > When this happens we have approx 150 apache threads, and the loads
> > goes way above 15.
> >
> > However recently the server has been auto-restarting (when under heavy
> > load) with no explanation in any logs. I've checked the console log,
> > messages, db logs e.t.c. but no mention of anything wrong.
> >
> > Brief server summary :
> >
> > FreeBSD 6.3-STABLE #0:
> > CPU: Intel(R) Xeon(TM) CPU 2.80GHz (2800.11-MHz 686-class CPU)
> >  Logical CPUs per core: 2
> > real memory  = 17716740096 (16896 MB)
> > avail memory = 16837763072 (16057 MB)
> > FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
> >
> > We tried installing mbmon and lmmon and healthd, but none seem to work.
> >
> > Anyone got any suggestions for other things we can try to detect why
> > the server is failing? or other ways to check things like CPU temp and
> > memory status?
> >
> > Cheers
> >
> > Alan
> > _______________________________________________
> > freebsd-questions at freebsd.org mailing list
> >
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> >
>
>
>


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