On Sat, 30 Nov 2013, John Hynes wrote:
> I'm having some trouble figuring out what is causing a systemic performance
> issue. By "systemic" I mean that running even seemingly trivial things
> (i.e. 'ls' on a directory with only a few files in it) is accompanied by a
> substantial delay before any response, say, of 15-30 seconds. Not *every*
> single time, but pretty frequently. Looking at top, load average is higher
> than expected on a largely idle web & smtp server, usually between .7 and
> 1.6. This is a dual-core opteron box (Sun Fire X2100) with 8GB RAM. (dmesg
> below).
>
Check messages & dmesg for any HW problems - this sounds like you have bad
disk sectors that are getting hit and timing out.
Lee
