Do you actually need rrdcached?
It slows down graph creation, and is really only useful on single systems if you are I/O write starved.
adam. On 2019-05-06 16:43:28, Hamilton, Kent via observium observium@observium.org wrote: Starting this weekend rrdcached appears to have stopped working correctly. Has anyone seen an issue with this? We’ve been using it for a long time and it seems to have broken totally early Sat morning (somewhere around 1 to 2 AM) Running the poller with debug doesn’t give me a status any more, and I have hundreds of rrdtool processes being spawned to the point it actually took over most of the disk IO on our NAS on Saturday. /opt/observium# poller.php -h localhost -m system -dd | grep RRD RRDtool 1.7.0 Copyright by Tobias Oetiker tobi@oetiker.ch RRDCacheD 1.7.0 o RRDtool 1.7.0 (rrdcached 1.7.0: unix:/var/run/rrdcached.sock) RRD PIPE OPEN[TRUE] o RRDTool Usage (0s 0%) RRD PIPE CLOSE[TRUE] The host setup is: Ubuntu 18.04 Observium Professional 19.5.9870 PHP Weathermap 0.97b rrdcached 1.7.0-1build1 rrdtool-1.7.0-1build1 PHP 7.2 The rrdcached command line is /usr/bin/rrdcached -B -R -F -L -w 1800 -z 1800 -f 3600 -t 10 -b /opt/observium/rrd -j /var/lib/rrdcached/journal/ -G www-data -U www-data -p /var/run/rrdcached.pid -s www-data -m 0660 -l unix:/var/run/rrdcached.sock Really need to get this one solved if anyone can offer help.
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