[rrd-users] Maximum úverage ??

Brian Ipsen bipsen at nerdnet.dk
Tue Sep 11 10:27:05 MEST 2001


 I wonder what happens.. It seems like the maximum vales in my datasets are
the same as the average ??

The database is create using:

rrdtool create data.rrd  DS:dataset:DERIVE:36000:0:U RRA:AVERAGE:0.5:1:600
RRA:AVERAGE:0.5:6:700 RRA:AVERAGE:0.5:24:775 RRA:AVERAGE:0.5:288:797
RRA:MAX:0.5:1:600 RRA:MAX:0.5:6:700 RRA:MAX:0.5:24:775 RRA:MAX:0.5:288:797

Data is updated using:

RRDs::update("data.rrd", "N:$value");

At dump of the database says e.g.:

<!-- 2001-09-09 20:00:00 Romance Daylight Time / 1000058400 --> <row><v>
3.2605305913e-002 </v></row>

<!-- 2001-09-09 20:00:00 Romance Daylight Time / 1000058400 --> <row><v>
3.2605305913e-002 </v></row>

Am I doing something wrong in my update, or is it just not possible to keep
the maximum value without it is being scaled as an average value (or
whatever happens). The value added at 20:00:37 is 512651, and the value
added 19:55:24 was 512640 - So I assume the maximum value should be 11, and
the average 3.666666666e-002 - or am I completely wrong ??



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