[mrtg] Re: Logging / Graphing Issues

[Myers Brian]

     I'm not using the Gauge option so that could very well be the problem.
I'll try that and see what happens since the values will be rather small and
shouldn't change much from each polling.

However, should my log file still show all zeros beyond the initial line as
indicated below?  This was just an example, but the zeros continue on for
the remainder of the file.  Or is this related to not using the Gauge
option?  Just wanted to determine if there could be other issues beyond
MRTG.

Thanks,
Brian



-----Original Message-----
From: Peter Glanville [mailto:peter_glanville at cuk.canon.co.uk]
Sent: Friday, April 11, 2003 4:00 AM
To: Myers Brian; mrtg at list.ee.ethz.ch
Subject: Re: [mrtg] Logging / Graphing Issues





>The log file looks somewhat as follows:
>1050011711  227  227
>1050011711  0 0 0 0
>1050011112  0 0 0 0

Are you using the Guage option?
You have read in low values (227 for both variable being plotted). 5 mins
later MRTG re-runs, and (by default) takes the previous value from the
current value, and divides by 300 to get the 'per second' rate. Fractions
are not stored.
Values above Maxbytes (or AbsMax, if defined) are also dropped.

Using 'Gauge' cause the system to not divide by 300, but simply plot the
value (good for UPS voltage, current, etc)

For systems with very low rates of change (eg printer pages are normally
less than one per second), you can use options like PerMinute etc.

Without knowing what you are plotting, and what entries are in your log
file, it is impossible to be more specific.

The time value is seconds since the beginning of time, the first two colums
are the average/gauge values for the time interval and will be plotted in
the graph, the last two are the peak rates (in case you use the withpeak
option)

Regards
Peter




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