You need to ensure each of the cfg files can be processed in under 5 minutes, even if some devices are down (this actually makes the queries take much longer, due to timeouts and retries).
I usually split my files to contain under 200 interfaces each, and just run multiple instances using runasdaemon, but it depends if you frequently have multiple devices down. Right now, I have about a dozen running, totalling somewhere around 1000 counters, on a 7 year old Dell Wintel server. Ian Brogden EDS - CTO @ MolsonCoors Account ( Mobile Phone:+1-303-961-1850 + mailto:[EMAIL PROTECTED] -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Michael Silver Sent: Tuesday, February 19, 2008 3:56 PM To: [email protected] Subject: [mrtg] RunAsDaemon vs. cron job Hello, Another newbie question... I want to use MRTG to track traffic patterns on 51 devices, most having 6 interfaces I want to monitor. That brings us up to ~612 queries (51 devices x 6 interfaces x 2 counters) assuming worst case scenarios. The machine running MRTG runs two other services - Nagios and Request Tracker. The 15 min. load averages running those services plus monitoring 3 of the above devices runs around 0.02 with 1 min. spikes as high as 0.50. Given those loads, I don't think the server is going to have issues with the added snmp traffic. Still, I would like to set up MRTG to be reasonable in terms of its resources. As I see it, I could divide my devices into 5 groups, each with their own cfg file, so I can stagger the mrtg load across 5 minutes using cron, or I could run one big cfg file using RunAsDaemon. (I guess I could run one big file and cron, but I don't see the point in that.) Does anyone have any recommendations or experiences with this before I shoot myself in the foot by not seeing the obvious? I gotta admit, I'm leaning towards 5 groups and cron right now. Thanks for any pointers or advice. Michael Michael Silver, Network Administrator Parkland Regional Library 5404 56 Avenue Lacombe, AB T4L 1G1 Phone: 403.782.3850 Fax: 403.782.4650 http://www.prl.ab.ca/ [EMAIL PROTECTED] _______________________________________________ mrtg mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/mrtg _______________________________________________ mrtg mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/mrtg
