[mrtg] Re: Configuration Question

[Michael Markstaller]

Optimisation in general heavily depends on many things.. 
have a look at the forks option, it's ages better than starting separate instances of mrtg itself.
I'm running fine with approx 2500 targets on 200 hosts with one config-file including each host. 
normally it's finished within 150 which is fine for 5 minute polling intervall.
first you should find your bottleneck, considering
- CPU and RAM
- reponsiveness of the hosts (64k isn't that much..), forks and RAM might help
- do you really want 1 minute-collection - you'll get many troubles..
- plain snmp with no external script-stuff (?)
- how much hosts can fail at once (change timeout/retry-settings in the main-cfg)

Michael

-----Original Message-----
From: mrtg-bounce at list.ee.ethz.ch [mailto:mrtg-bounce at list.ee.ethz.ch]On
Behalf Of Michael Louis
Sent: Thursday, December 18, 2003 10:31 PM
To: mrtg at list.ee.ethz.ch
Subject: [mrtg] Configuration Question


I am setting up MRTG & RRD to monitor CPU and interface stats for 600 
routers on a WAN.  Remote sites are connected via 64k PVC.  I tried to 
create one CFG file using INCLUDE for the individual sites, however the 
collection does not complete within 1 minute so I had to split this up to 
about 50 sites per CFG file.  So I have multiple instances of perl running, 
the collections will complete but now I am suffering on the server side with 
very high CPU usage.  Anyone have any ideas.  Thanks

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