Hi Sven, rrdtool fetch will use the data which
a) covers the timerange you requested b) has a higher or equal resolution to what you requested ... cheers tobi Today Sven Ubik wrote: > > Note that if you configure rrd to keep lots of hires values AS WELL > > AS lower res values for the SAME TIME PERIODE, then there will be > > no performance impact, only a huge disk space requirement. > > If I keep averages say over 10 and 30 seconds: > > RRA:AVERAGE:0.5:10:360 > RRA:AVERAGE:0.5:30:240 > > and request averages over 60 seconds: > > rrdtool fetch file.rrd AVERAGE -r 60 ... > > Will rrdtool use 10 second or 30 second samples to compute 60 second > samples? > > What if requested resolution is not a multiple of stored resolutions? > > I am asking in order to determine how much samples of each resolution > should I store to cover the whole period in which I want to have some > lowres average computable. > > Regards, > > Sven > > -- > Unsubscribe mailto:[EMAIL PROTECTED] > Help mailto:[EMAIL PROTECTED] > Archive http://lists.ee.ethz.ch/rrd-users > WebAdmin http://lists.ee.ethz.ch/lsg2.cgi > > -- Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten http://tobi.oetiker.ch [EMAIL PROTECTED] ++41 62 213 9907 -- Unsubscribe mailto:[EMAIL PROTECTED] Help mailto:[EMAIL PROTECTED] Archive http://lists.ee.ethz.ch/rrd-users WebAdmin http://lists.ee.ethz.ch/lsg2.cgi
