> > FWIW, we're using the trunk version of RRD 1.4 ( > > rrdtool-1.4.99911011600 ) with rrdcached in our live MRTG system, > > using the rrdcreate and rrdinfo functions, and are experiencing no > > problems despite it managing over 20,000 RRD files. > > Out of curiousity, how often are you updating those files?
Data updates come in every 5min for each DS. The rrdcached is started with these parameters: /u01/rrdtool-1.4.uoa/bin/rrdcached -s mrtg -m 0660 -l unix:/var/tmp/rrdcached.sock -l mrtg.auckland.ac.nz -l localhost -z 60 -p /var/tmp/rrdcached.pid -t 4 -j /u01/rrdtool/journal -b /u01/rrdtool -w 1800 -O -a 6 The journal sits at about 25MB with these settings; there are also implicit flushes of some data caused by the Routers2 frontend for MRTG, the Network Weathermap data collection, and other dashboard features but these are a small fraction of the full RRD count. Steve Steve Shipway ITS Unix Services Design Lead University of Auckland, New Zealand Floor 1, 58 Symonds Street, Auckland Phone: +64 (0)9 3737599 ext 86487 DDI: +64 (0)9 924 6487 Mobile: +64 (0)21 753 189 Email: s.ship...@auckland.ac.nz Please consider the environment before printing this e-mail
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