[rrd-users] Unexpected behavior after update and on graph
James Baldwin
jbaldwin at antinode.net
Fri Mar 25 21:25:24 MET 2005
I am updating a rrd of the following characteristics:
RRDs::create("spamblocker.rrd",
"--start", "1111707121",
"--step", "3600",
"DS:inbox:ABSOLUTE:7200:0:U",
"DS:knownspam:ABSOLUTE:7200:0:U",
"RRA:AVERAGE:0.5:1:8760");
Then I update this with information using:
RRDs::update ("target.rrd", "--template", "inbox:spam",
"1111707125:0:2");
RRDs::update ("target.rrd", "--template", "inbox:spam",
"1111708806:3:5");
RRDs::update ("target.rrd", "--template", "inbox:spam",
"1111712407:6:6");
RRDs::update ("target.rrd", "--template", "inbox:spam",
"1111716006:8:14");
(This is actually looped, but this is equivalent to the updates the
look creates)
An rrdtool dump shows the following rows created:
<!-- 2005-03-24 19:00:00 EST / 1111708800 --> <row><v> 1.7804002907e-03
</v><v> 4.1585190471e-03 </v></row>
<!-- 2005-03-24 20:00:00 EST / 1111712400 --> <row><v> 1.6664012459e-03
</v><v> 1.6683841925e-03 </v></row>
<!-- 2005-03-24 21:00:00 EST / 1111716000 --> <row><v> 2.2217573302e-03
</v><v> 3.8856454473e-03 </v></row>
I then graph the rrd using:
RRDs::graph("$TARGETDIR/daily.gif",
"--start", "$time_minus_1day",
"--end", "$time",
"DEF:inbox=$RRD:inbox:AVERAGE",
"DEF:knownspam=$RRD:spam:AVERAGE",
"AREA:spam#666633:Spam",
"STACK:inbox#CCCC99:Inbox");
All of this works without error. At this point a graph is created but
the vertical units are measured in milli units instead of whole numbers
(as the data within the XML dump suggests). I am updating with whole
numbers and am lost as to why these are being shrunken during the
conversions for average. What am I don't incorrectly?
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