[mrtg] Re: Blown reports

Koelstra, J. (Jan) JKoelstra at MINSZW.NL
Tue Dec 6 10:13:27 MET 2005

Changing the Maxbytes value affects only new data. All old datapoints remain in the graph until they drop off.
For spikes in the daily graph you have to wait 28 hours before the spike is gone. For the yearly graph you have to wait 400 days.

"Logscale" and "Secondmean" were introduced in MRTG 2.11. See http://people.ee.ethz.ch/~oetiker/webtools/mrtg/mrtg-reference.html for details.



-----Original Message-----
From: Scott Haneda [mailto:lists at newgeo.com]
Sent: Tuesday, December 06, 2005 12:16 AM
Cc: Koelstra, J. (Jan); mrtg-bounce at list.ee.ethz.ch
Subject: Re: [mrtg] Re: Blown reports

on 12/5/05 12:36 AM, Koelstra, J. (Jan) at JKoelstra at MINSZW.NL wrote:

> There are several ways to deal with peaks caused by nightly backups:
> 1. Use rrdtool and a frontend where you can select the hours you want
> to see 2. Lower the Maxbytes value in your configfile 3. Use
> "Logscale" or "secondmean" at the options line

I have never even looked at options #1, I tried changing the value of Maxbytes in the config file to a very low number, re-run indexmaker and my croan jobs that call mrtg, and nothing changed.

Does that setting only affect new data, as in, once the report is already made, you have to wait 24 hours for the new setting to take place?

Can someone tell me how to deal with logscape and seconmean options, they do not show up in the cfgmaker manual at all, at least, not as far as I can tell.
Scott Haneda                                Tel: 415.898.2602
<http://www.newgeo.com>                     Novato, CA U.S.A.


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