[mrtg] Re: Wrong figures being graphed?!

[Roger Leitch]

Hi,

I don't know why you are getting zero figures, however, I can tell you that
your percentage figures are meaningless as they are calculated against
maxbytes.
If you are counting open files, the percentage is not relevent unless there
is a system limit.
I sugeest that you add the "nopercent" parameter to the Options.
Guage is correct for this kind of measurement.

It is worth noting that the average figure will not include zero data, as
mrtg/rateup will assume that this is missing data. ( I would assume you will
always receive a nonzero reply from your script as there will always be
files open).

Hope this helps.

Roger
----- Original Message -----
From: "Michael Bartlett" <michael_jw_bartlett at hotmail.com>
To: <mrtg at list.ee.ethz.ch>
Sent: Monday, August 27, 2001 3:21 AM
Subject: [mrtg] Wrong figures being graphed?!


>
>  hi all
> i've just started running mrtg (2.8.12)
> i've got a configuration entry that looks like this:
>
> Target[performance.disc]: `/usr/local/etc/mrtg/scripts/file_stats.sh`
> MaxBytes[performance.disc]: 1000
> Title[performance.disc]: Open Files
> PageTop[performance.disc]: <H1>Open Files</H1>
> Options[performance.disc]: growright, gauge
> ShortLegend[performance.disc]: F
> Legend1[performance.disc]: Open Files
>
> now, if i run file_stats.sh manually - at this point in time i get:
>
> su-2.03# ./file_stats.sh
> 75
> 75
>
> if i take a look at my graph, the has been an original spike of 72 (which
> was about 30 mins ago), but its now registering no data as can be
> illustrated by pasting:
>
> Max  In:72.0 F (7.2%) Average  In:41.0 F (4.1%) Current  In:0.0 F (0.0%)
> Max  Out:72.0 F (7.2%) Average  Out:41.0 F (4.1%) Current  Out:0.0 F
(0.0%)
>
>
> i would have expected that behaviour if i didn't have the "gauge" in the
> options. any idea why on earth i would be getting such results. is there
any
> way to run mrtg so that it prints out the output of each script that it
runs
> so i can maybe see what is going on? i've tried looking at the log file,
but
> it doesn't make much sense to me!
>
> additionally. on the same graph, if i look at the weekly graph, its values
> appear to be less than the daily (max values):
> Max  In: 35.0 F (3.5%)   Average  In: 35.0 F (3.5%)   Current  In: 0.0 F
> (0.0%)
> Max  Out: 35.0 F (3.5%)   Average  Out: 35.0 F (3.5%)   Current  Out: 0.0
F
> (0.0%)
>
> sure the average should be different, yes, but the Max must be the same
> because the week time period has to experience the same Max value of a day
> time perioud. or is the 30 minute calls done as snapshot and not averages?
>
> cheers
> mike
>
>
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