Message-ID: <4600E13F.3070806@archonet.com>
Date: Wed, 21 Mar 2007 07:39:43 +0000
From: Richard Huxton <dev@archonet.com>
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To: Joe Healy <joe@omc-international.com.au>
Cc: Dan Harris <fbsd@drivefaster.net>,
	PostgreSQL Performance <pgsql-performance@postgresql.org>
Subject: OT: Munin (was Re: Determining server load from client)
References: <460080A2.20800@drivefaster.net>
	<46008931.8060605@omc-international.com.au>
In-Reply-To: <46008931.8060605@omc-international.com.au>
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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