Have you tried to use a CSV plugin rather than RRD to more easily observe the output? If the CSV also produces NaN then it may not be a RRD problem; but if CSV produces valid results then the RRD isn't configured correctly.
I also like to configure collectd with --enable-debug and set up the LogLevel to "debug" rather than "info"; that might help you narrow down where the problem lies. = Dave From: [email protected] [mailto:[email protected]] On Behalf Of Jimmy John Sent: Thursday, November 07, 2013 4:15 PM To: [email protected] Subject: [collectd] Collectd generated rrd shows nothing Hello, I have a basic installation of collected(5.0) on Ubuntu and have enabled some plugins like load / cpu / log etc. I see collectd generating rrd files. But when I try to query the rrd (via rrdtool fetch for the last 10 hours), I only get NaN results. I looked at the /var/log/collectd and did not see any errors. My config looks like: #Hostname "localhost" FQDNLookup true BaseDir "/var/lib/collectd" PluginDir "/usr/lib/collectd" TypesDB "/usr/share/collectd/types.db" Interval 300 #Timeout 2 #ReadThreads 5 #LoadPlugin logfile # -------------------------- # active plugins start # -------------------------- LoadPlugin syslog <Plugin syslog> LogLevel info </Plugin> LoadPlugin cpu LoadPlugin df <Plugin df> Device "/dev/xvda1" MountPoint "/" FSType "ext4" IgnoreSelected false ReportByDevice false ReportReserved false ReportInodes false </Plugin> LoadPlugin load LoadPlugin memory LoadPlugin rrdtool <Plugin rrdtool> DataDir "/var/lib/collectd/rrd" CacheTimeout 120 CacheFlush 900 WritesPerSecond 30 RandomTimeout 0 # The following settings are rather advanced # and should usually not be touched: #StepSize 10 #HeartBeat 20 RRARows 1200 RRATimespan 158112000 XFF 0.1 </Plugin> How do I debug it? @jimmyislive
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