[collectd] rrdcached+collectd

[Cyril Feraudet]

You don't need both rrdtool and rrdcached plugin.

Cyril
http://perfwatcher.org/

On 4 mars 2013, at 14:38, Benjamin Wang (gendwang) <gendwang at cisco.com> wrote:

> Hi,
>   I try to setup rrdcached and collectd in one VM(Redhat 6.2). rrdcached also listens on the network port for remote query.
> rrdtool: 1.4.7
> collectd: 5.2.0
>  
> The collectd.conf is as following:
> LoadPlugin rrdcached
> LoadPlugin rrdtool
> <Plugin rrdcached>
>         DaemonAddress "unix:/tmp/rrdcached.sock"
>         DataDir "/root/tools/rrdcached"
>         CreateFiles true
> </Plugin>
>  
> <Plugin rrdtool>
>         DataDir "/opt/collectd/var/lib/collectd"
> </Plugin>
>  
>  
> The rrdcached start script is as following:
> rrdcached -F -b /root/tools/rrdcached -j /root/tools/rrdcached/cached -p /root/tools/rrdcached/rrdcached.pid  -l unix:/tmp/rrdcached.sock -l 10.74.125.141
>  
> But the collectd log always show the error:
> [2013-03-04 21:24:56] rrdcached plugin: rrdc_update (/root/tools/rrdcached/10.74.125.141/memory/memory-used.rrd, [1362403496:4414574592.000000], 1) failed with status -1.
> [2013-03-04 21:24:56] rrdcached plugin: rrdc_update (/root/tools/rrdcached/10.74.125.141/memory/memory-buffered.rrd, [1362403496:363573248.000000], 1) failed with status -1.
> [2013-03-04 21:24:56] rrdcached plugin: rrdc_update (/root/tools/rrdcached/10.74.125.141/memory/memory-cached.rrd, [1362403496:1231032320.000000], 1) failed with status -1.
>  
> I have gone through the old threads and have tried “chmod 777 /root/tools/rrdcached”. But it doesn’t work.
>  
> What is the problem?
>  
> B.R.
> Benjamin Wang
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