[collectd] rrdcached+collectd

[Benjamin Wang (gendwang)]

Hi,
   I have updated my configuration as following:

LoadPlugin rrdcached
<Plugin rrdcached>
        DaemonAddress "unix:/tmp/rrdcached.sock"
        DataDir "/opt/collectd/var/lib/collectd"
        CreateFiles true
        CollectStatistics false
</Plugin>

The rrdcached start script is as following:
rrdcached -F -b /opt/collectd/var/lib/collectd -j /root/tools/rrdcached/cached -p /root/tools/rrdcached/rrdcached.pid  -l unix:/tmp/rrdcached.sock -l 10.74.125.141

Now the log is as following:
[2013-03-04 21:48:17] rrdcached plugin: rrdc_update (/opt/collectd/var/lib/collectd/10.74.125.141/memory/memory-used.rrd, [1362404897:4414480384.000000], 1) failed with status -1.
[2013-03-04 21:48:17] Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1.
[2013-03-04 21:48:17] rrdcached plugin: rrdc_update (/opt/collectd/var/lib/collectd/10.74.125.141/memory/memory-buffered.rrd, [1362404897:363593728.000000], 1) failed with status -1.
[2013-03-04 21:48:17] Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1.
[2013-03-04 21:48:17] rrdcached plugin: rrdc_update (/opt/collectd/var/lib/collectd/10.74.125.141/cpu-0/cpu-user.rrd, [1362404897:9553163], 1) failed with status -1.
[2013-03-04 21:48:17] Filter subsystem: Built-in target `write': Dispatching value to all write plugins failed with status -1.

B.R.
Benjamin Wang

From: Cyril Feraudet [mailto:collectd at feraudet.com]
Sent: 2013年3月4日 21:46
To: Benjamin Wang (gendwang)
Cc: collectd at verplant.org; jmauro at anti.net; jmauro at autidot.net; Yang Zhou (yangzho)
Subject: Re: [collectd] rrdcached+collectd

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<mailto: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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