[brlug-general] mosix clusters?

[Adam Melancon]

I use cacti for performance monitoring.
http://cacti.net/
It's like a beefed up MRTG.

On 1/16/07, -ray <ray at ops.selu.edu> wrote:
> On Mon, 15 Jan 2007, Dustin Puryear wrote:
>
> > You should, at a minimum, have sysstat (the Linux sar package)
> > installed on all of your servers and monitor that. Also, do some
> > remote SNMP performance monitoring to start seeing where your
> > bottlenecks are. Keep in mind that IO issues may appear as CPU issues
> > at times.
>
> Good point.  And also memory issues may appear as I/O issues (swapping).
> The right order to track down bottlenecks is: Network->Memory->I/O->CPU.
> Read the vmstat and iostat man pages, and actually learn what those
> columns mean. :)
>
> What are you guys using for SNMP performance monitoring?  We have some
> homegrown scripts that generate some RRD graphs.  The pretty graphs are
> really good for trend analysis (and the boss likes them haha).
>
> > Oh, and finally, do realize that there is a difference between local
> > performance counters and end-to-end performance testing. An important
>
> "Hmmmm...It's really fast from my computer....not sure why it's so
> slow on your end..."
>
> ray
> --
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> Ray DeJean                                       http://www.r-a-y.org
> Systems Engineer                    Southeastern Louisiana University
> IBM Certified Specialist              AIX Administration, AIX Support
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>
>
> _______________________________________________
> General mailing list
> General at brlug.net
> http://mail.brlug.net/mailman/listinfo/general_brlug.net
>


-- 
Adam Melancon
"Any intelligent fool can make things bigger, more complex, and more
violent. It takes a touch of genius - and a lot of courage - to move
in the opposite direction." --Albert Einstein