[rrd-users] only NaN values
Folkert van Heusden
folkert at vanheusden.com
Sat Jan 16 14:20:43 CET 2010
Please note that I created the rrdtool create command-line with the
wizard at http://www.famzah.net/rrdwizard/rrdgraph.php
On Sat, Jan 16, 2010 at 01:48:14PM +0100, Folkert van Heusden wrote:
> No-one has an idea how to fix these NaN problems?
>
> On Tue, Jan 12, 2010 at 11:44:49PM +0100, Folkert van Heusden wrote:
> > A couple of inserts:
> >
> > mauer:/usr/local/nagios.check_commands# grep /usr/local/nagios.check_commands/var/weerstationserver/HTTP/time.rrd /tmp/rrd.log
> > /usr/bin/rrdtool update /usr/local/nagios.check_commands/var/weerstationserver/HTTP/time.rrd 1263335162:0.005438
> > /usr/bin/rrdtool update /usr/local/nagios.check_commands/var/weerstationserver/HTTP/time.rrd 1263335462:0.002476
> > /usr/bin/rrdtool update /usr/local/nagios.check_commands/var/weerstationserver/HTTP/time.rrd 1263335762:0.002664
> > /usr/bin/rrdtool update /usr/local/nagios.check_commands/var/weerstationserver/HTTP/time.rrd 1263336062:0.003119
> >
> > On Tue, Jan 12, 2010 at 10:19:33PM +0100, Folkert van Heusden wrote:
> > > Hi,
> > >
> > > I create my .rrd-files like this:
> > >
> > > rrdtool create file.rrd --step 300 \
> > > DS:values:GAUGE:900:U:U \
> > > RRA:AVERAGE:0.5:1:2016 \
> > > RRA:MIN:0.5:1:2016 \
> > > RRA:MAX:0.5:1:2016 \
> > > RRA:AVERAGE:0.5:12:744 \
> > > RRA:MIN:0.5:12:672 \
> > > RRA:MAX:0.5:12:672 \
> > > RRA:AVERAGE:0.5:288:730 \
> > > RRA:MIN:0.5:288:730 \
> > > RRA:MAX:0.5:288:730 \
> > >
> > > Then using this:
> > > rrdtool update file.rrd N:0.32
> > > I add data to it.
> > > This adding data is done multiple times in a 300 second interval and
> > > should be averaged. Also the min/max of that interval should be stored.
> > > Now when it runs for a while, I would expect values to enter it but if I
> > > create a dump of it, I only get 'NaN'.
> > >
> > > <?xml version="1.0" encoding="utf-8"?>
> > > <!DOCTYPE rrd SYSTEM "http://oss.oetiker.ch/rrdtool/rrdtool.dtd">
> > > <!-- Round Robin Database Dump --><rrd> <version> 0003 </version>
> > > <step> 300 </step> <!-- Seconds -->
> > > <lastupdate> 1263330962 </lastupdate> <!-- 2010-01-12 22:16:02 CET -->
> > >
> > > <ds>
> > > <name> values </name>
> > > <type> GAUGE </type>
> > > <minimal_heartbeat> 900 </minimal_heartbeat>
> > > <min> NaN </min>
> > > <max> NaN </max>
> > >
> > > <!-- PDP Status -->
> > > <last_ds> 0.003517 </last_ds>
> > > <value> 3.5330494778e-02 </value>
> > > <unknown_sec> 52 </unknown_sec>
> > > </ds>
> > >
> > > <!-- Round Robin Archives --> <rra>
> > > <cf> AVERAGE </cf>
> > > <pdp_per_row> 1 </pdp_per_row> <!-- 300 seconds -->
> > >
> > > <params>
> > > <xff> 5.0000000000e-01 </xff>
> > > </params>
> > > <cdp_prep>
> > > <ds>
> > > <primary_value> 0.0000000000e+00 </primary_value>
> > > <secondary_value> 0.0000000000e+00 </secondary_value>
> > > <value> NaN </value>
> > > <unknown_datapoints> 0 </unknown_datapoints>
> > > </ds>
> > > </cdp_prep>
> > > <database>
> > > <!-- 2010-01-05 22:20:00 CET / 1262726400 --> <row><v> NaN </v></row>
> > > ...
> > > <!-- 2010-01-12 22:10:00 CET / 1263330600 --> <row><v> NaN </v></row>
> > > <!-- 2010-01-12 22:15:00 CET / 1263330900 --> <row><v> NaN </v></row>
> > > </database>
> > > </rra>
> > >
> > > How can I fix this?
> > >
> > >
> > > Folkert van Heusden
> > >
> > > --
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> >
> > Folkert van Heusden
> >
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>
> Folkert van Heusden
>
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