[rrd-users] Re: Data not exact

[Stephan Harren]

RRA:LAST
DEF:myclean=foo.rrd:clean:LAST

 will do. I guess the problem comes from AVERAGE consolidation. Ho often do 
you feed the rrd? Do you give it the timestamp? If you always give it a 
proper timestamp (1047670800,1047671100,1047671400 .....) there will also be 
no problem with AVERAGEs.

Try rrdtool dump to see what has been calculated in the rrd.

Best regards,

Stephan

Am Mittwoch, 7. Mai 2003 02:52 schrieb Matthew Daubenspeck:
> I am trying to create a rrdtool graph to track the amount of spam and
> clean messages that pass through our spamassassin mail scanner. But I
> can't seem to get the config correct. I have some shell scripts that do
> all the counting, and they work just as they should when run manually.
> However, when the data is added to the rrd and graphed, it seems to come
> up short sometime. I have a single spam message and instead of the graph
> displaying 1, it displays like .8. Am I doing something wrong?
> Database:
> rrdtool create foo.rrd \
> --step 300 \
> DS:clean:GAUGE:600:0:10000 \
> DS:spam:GAUGE:600:0:10000 \
> RRA:AVERAGE:0.5:1:600
>
> And the graph:
> rrdtool graph foo.png \
> --imgformat=PNG \
> --start="-86400" \
> --title="Email Message Breakdown" \
> --alt-autoscale-max \
> --rigid \
> --width=500 \
> --height=150 \
> --base=1000 \
> --vertical-label="Messages" \
> DEF:myclean=foo.rrd:clean:AVERAGE \
> DEF:myspam=foo.rrd:spam:AVERAGE \
> AREA:myclean#00FF00:"Clean" \
> LINE2:myspam#FF0000:"Spam"
>
> Any ideas? Thanks for the help.

-- 
Stephan Harren
Manager Site Operations
MFN-IS
-------------------------------
Phone +49 69 90554 153
Fax +49 69 90554 111
Cell +49 173 7011126

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