[mrtg] Difference between retrieved values and graphed values

Ionel GARDAIS ionel.gardais at geomath.fr
Fri Oct 21 15:57:56 MEST 2005


I'm a bit lost with MRTG graphing Squid http requests values.

I run MRTG to retrieve this target :

Directory[httpreq]: proxy/httpreq
Title[httpreq]: les requetes HTTP du proxy
PageTop[httpreq]: les requetes HTTP du proxy</H1>
PNGTitle[httpreq]: Requetes HTTP Hit
cacheHttpHits.0&cacheProtoClientHttpRequests.0:public at proxy1:3401::::2
MaxBytes[httpreq]: 100000
Options[httpreq]: nopercent,growright,pngdate,withzeroes
YLegend[httpreq]: Requetes HTTP
ShortLegend[httpreq]: Req.
LegendI[httpreq]: Hits :
LegendO[httpreq]: Tot. :
Legend1[httpreq]: HTTP Hits
Legend2[httpreq]: HTTP Total
Legend3[httpreq]: HTTP Hits
Legend4[httpreq]: HTTP Total
WithPeak[httpreq]: ymw

Retrieved values for total hits are (5 min interval) : 1725286 / 1727246 
/ 1729983 which is OK.
But these values are graphed as integers between 5.0 and 8.0.

I ran "snmpdelta -Cp 300 -c public -v 2c proxy1:3401 
cacheProtoClientHttpRequests.0" and the printed values are the right deltas.
I also try to put MaxBytes to a higher value (higher than the actual 
retrieved values) but this does not help)

According to my target declaration, I do not understand why I don't get 
the 2000 delta I am supposed to see.

Any ideas about this ?


Ionel GARDAIS ~ ionel.gardais at geomath.fr
Junior System-Network Administrator
Phone	: +33(0)147088131
Fax	: +33(0)147088065

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