[aklug] Re: Reasonable average server load?

On Wed, 23 Jun 2010, adam bultman wrote:

> Especially if the Virtualization Host you're on is making silly
> decisions (like loading your working RAM into it's swap - I've seen it
> happen) , or if your server's filesystem is on an high-latency platform
> (example: saturated NFS mount or busy filesystem.)
>
> Your load will be high, your server will be extremely slow, but there
> won't be 'anything' (even with a vmstat, and iostat, a sar, or a 'top')
> that leads you to believe there's a problem. It'll just be pokey.

That's not true. vmstat and iostat would indicate high io-wait states, as
would SAR. A full SAR report would even give you your NFS statistics,
should that be the issue. If you're working from swap you'll see that in
vmstat as well.

         --Arthur Corliss
           Live Free or Die
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Received on Wed Jun 23 12:15:08 2010