OT: Munin (was Re: Determining server load from client)

Joe Healy wrote:
> (forgot to send to list)
> Dan Harris wrote:
>> architecture of the server hardware.  It would be very nice if I could
>> check the load of the server at certain intervals to throttle the
>> number of concurrent queries and mitigate load problems when other
>> processes might be already inducing a significant load.

> I have installed munin (http://munin.projects.linpro.no/) on a few
> systems. This lets you look at graphs of system resources/load etc. I
> have also added python scripts which do sample queries to let me know if
> performance/index size is changing dramatically. I have attached an
> example script.

For general monitoring of a handful of servers, I've been impressed with
munin. It's very simple to get it running and write your own plugins.

--
   Richard Huxton
   Archonet Ltd