Hi, Thanks a lot for your suggestions. It decreased the load a lot. I also followed some suggestions from here: https://oss.oetiker.ch/rrdtool-trac/wiki/TuningRRD https://collectd.org/wiki/index.php/Inside_the_RRDtool_plugin
Merry Christmas to you too! În lun., 24 dec. 2018 la 18:14, Tasslehoff Burrfoot <[email protected]> a scris: > My suggestion is to check very carefully which plugins are really > necessary on the clients to reduce the amount of data, for example the > plugin to check storage devices will generate a lot of data if you use lvm > (you'll get physical devices + device mapping devices). > When you made some clean up you can drastically reduce the I/O load > using CacheTimeout and CacheFlush options of rrdtool plugin on the host > which receive all the data, this will make your collectd server to flush > rrd on the storage less frequently and reduce the load on the storage > devices. > I hope this will help. > > Merry Christmas :) > > Tasslehoff Burrfoot > >
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