Can someone make a little bit clear about vmstat -i.
What exactly we should look for?
On my systems i have also high total column.
On 2/10/06, Chuck Swiger <[EMAIL PROTECTED]> wrote:
>
> Marcos Bedinelli wrote:
> [ ... ]
> > mull [~]$vmstat -i
> > interrupt total rate
> > irq1: atkbd0 3466 0
> > irq6: fdc0 10 0
> > irq13: npx0 1 0
> > irq14: ata0 47 0
> > irq21: fxp1 20462527 8
> > irq28: bge0 3511765157 1444
> > irq29: bge1 3633124373 1494
> > irq30: aac0 1842472 0
> > cpu0: timer 566751007 233
> > Total 7733949060 3181
>
> Interesting, what do you have HZ ("sysctl kern.clockrate") set to? Does
> setting
> it to somewhere around 500, 1000, or 2000 help? You're definitely going
> to want
> to increase HZ if you enable polling mode...
>
> > mull [~]$netstat -m
> > 644/646/1290 mbufs in use (current/cache/total)
> > 643/407/1050/17088 mbuf clusters in use (current/cache/total/max)
> > 0/5/4528 sfbufs in use (current/peak/max)
> > 1447K/975K/2422K bytes allocated to network (current/cache/total)
> > 0 requests for sfbufs denied
> > 0 requests for sfbufs delayed
> > 0 requests for I/O initiated by sendfile
> > 0 calls to protocol drain routines
>
> You might try increasing the # of kern.ipc.nmbclusters, say by a factor of
> 2.
> This may not help much, seems like you're bottlenecking servicing the bge
> interrupts.
>
> I assume you've read "man tuning" and do not have something like WITNESS
> enabled
> in your kernel? :-)
>
> --
> -Chuck
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