[NTLUG:Discuss] Utility to monitor performance of Linux server

[Thomas Cameron]

On Wed, 2008-02-27 at 12:01 -0600, Chris Cox wrote:
> Richard Geoffrion wrote:
> > I remember being referred to a linux utility that allowed me to log the 
> > various utilization statistics of a machine.  It wasn't tload or top, 
> > but some other utility with some name that (obviously) didn't lend 
> > itself to being remembered.  I remember having to run the program in a 
> > loop - outputting the results to a file so that I could gather 
> > statistics over time...like   % of time the processor was waiting on the 
> > disk to flush, % of time the disk was active....etc...
> > 
> > Does anyone know what utility that was?   I've  'whatis'ed in [/|/usr/] 
> > [bin|sbin] but can't seem to locate it.
> > 
> 
> What comes to mind is the sysstat package which has sar and iostat.

Also vmstat, which is very useful in watching what the kernel is doing.

-- 
Thomas