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<p class="MsoNormal"><span style="color:black">Hi All,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">We want to use the RRDCached plugin in our collectd environment but we are seeing a lot of errors in syslog from collectd servers (and collectd clients) like the following:<o:p></o:p></span></p>
<p class="MsoNormal"><u><span style="color:black"><o:p><span style="text-decoration:none"> </span></o:p></span></u></p>
<p class="MsoNormal" style="margin-left:.5in"><u><span style="color:black">rrdcached plugin: rrdc_update (/var/lib/rrdcached/db/collectd/xxxxxxxxxxx/df/df-root.rrd, [1374097922:0.000000:0.010000:0.050000], 1) failed with status -1.<o:p></o:p></span></u></p>
<p class="MsoNormal"><u><span style="color:black"><o:p><span style="text-decoration:none"> </span></o:p></span></u></p>
<p class="MsoNormal"><span style="color:black">The error appears to happen for every rrd file<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">The RRDCached plugin configurations is as follows: <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="color:black"><Plugin rrdcached><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="color:black"> DaemonAddress "unix:/var/run/rrdcached.sock"
<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="color:black"> DataDir "/var/lib/rrdcached/db/collectd"<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="color:black"> CollectStatistics true<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="color:black"></Plugin><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="color:black"><Plugin rrdtool><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="color:black"> DataDir "/var/lib/rrdcached/db/collectd"<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="color:black"> CacheTimeout 60<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="color:black"> CacheFlush 3600<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="color:black"> WritesPerSecond 1800<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="color:black"> RandomTimeout 30<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="color:black"></Plugin><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">We do see that the RRD files (at least some or most of them) are being updated (with new timestamps).
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">Any way to resolve the error?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">Thanks.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Yuantai<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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