I just started messing with rrdcached+collectd, so it's not impossible
that I've obtusely missed something in the docs.
* Is it possible to set RRARows and RRATimespan in the rrdcached
plugin like you can for rrdtool? If I try using them, collectd
complains that:
[2010-01-13 18:06:36] Plugin `rrdcached' did not register for value `RRARows'.
[2010-01-13 18:06:36] Plugin `rrdcached' did not register for value
`RRATimespan'.
[2010-01-13 18:06:36] Plugin `rrdcached' did not register for value
`RRATimespan'.
[2010-01-13 18:06:36] Plugin `rrdcached' did not register for value
`RRATimespan'.
[2010-01-13 18:06:36] Plugin `rrdcached' did not register for value
`RRATimespan'.
[2010-01-13 18:06:36] Plugin `rrdcached' did not register for value
`RRATimespan'.
And any rrd files created have the usual collectd defaults, instead of
what I put. And they only seem to be registered in src/rrdtool.c. I
also tried turning on the rrdtool plugin but without a "DataDir" in
the hopes it might have some effect. Is there a trick here that I'm
missing? We've got non-technical folks running reports from our rrd
data, and they balk at the built-in intervals, so I've got the
following because it falls on nice, grok-able datapoints, spaced by 5
mins, 1 day, etc.
Here's my rrdcached (pointers most welcome):
/usr/bin/rrdcached -l unix:/var/run/rrdcached/rrdcached.sock -b
/var/lib/collectd/rrd2 -j /var/run/rrdcached -w 3600 -z 3600 -f 7200
-t 10 -p /var/run/rrdcached/rrdcached.pid
I've been working with a super stripped-down collectd.conf, to try to
rule out other things. Here it is:
# Hostname "localhost"
FQDNLookup true
BaseDir "/var/lib/collectd"
PIDFile "/var/run/collectd/collectd.pid"
PluginDir "/usr/lib/collectd"
TypesDB "/usr/share/collectd/types.db"
Interval 30
ReadThreads 20
LoadPlugin logfile
<Plugin logfile>
LogLevel error
File STDOUT
Timestamp true
</Plugin>
LoadPlugin network
# LoadPlugin rrdtool
LoadPlugin rrdcached
<Plugin network>
Listen "10.20.2.2" "25826"
TimeToLive 128
</Plugin>
# <Plugin rrdtool>
# DataDir "/var/lib/collectd/rrd"
# CacheTimeout 300
# CacheFlush 600
# RandomTimeout 60
#
# # StepSize 30
# # HeartBeat 120
# WritesPerSecond 500
# RRARows 2400
# RRATimespan 4800
# RRATimespan 144000
# RRATimespan 720000
# RRATimespan 4320000
# RRATimespan 43200000
# </Plugin>
<Plugin rrdcached>
DataDir "/var/lib/collectd/rrd2"
CreateFiles true
DaemonAddress "unix:/var/run/rrdcached/rrdcached.sock"
# StepSize 30
# HeartBeat 120
WritesPerSecond 500
RRARows 2400
RRATimespan 4800
RRATimespan 144000
RRATimespan 720000
RRATimespan 4320000
RRATimespan 43200000
</Plugin>
_______________________________________________
collectd mailing list
collectd@verplant.org
http://mailman.verplant.org/listinfo/collectd
