[mrtg] Re: CPU Load is too high

[Johan Buret]

Frank.Friedhof at sparkasse-lemgo.de wrote:                                    

>>Hello Folks,
>>
>>i´m running MRTG for approx. 56 Routers. This is a summary of approx.
>>300
>>Interfaces plus RouterCPU and Memusage per Router.
>>
>>I divided these routers in 7 services which describes 7 regions of our
>>Network (Locations).
>>
>>

>And no I´m not using rrdtool. Is there a possibilty to reduce the load with
>"normal" MRTG running or must i use rrdtool?
>  
>
As far as I know, using "normal" MRTG forces the computing of each PNG 
image you see in MRTG generated web pages. Any way you take this 
problem, computing so many images takes a *lot* of CPU time. In order to 
decrease the load, you must go through rrdtool: it's way faster, since 
it just logs the data - there are some scripts generating PNG graphs on 
the fly.


>And can somebody give me an step-by-step way for Windows NT & rrdtool ?
>  
>

The way to integrate mrtg and rrdtools is written here : 
http://people.ee.ethz.ch/~oetiker/webtools/mrtg/mrtg-rrd.html

Cheers, Johan Buret

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