On Sat, Nov 12, 2005 at 10:03:46AM +0100, Ralf Kruedewagen wrote: > Good morning,
Morning. > 2) Is there any tricky RPN expression to do that, maybe embedded in a small > script for matching day of a week and hours to UNIX timestamps ? > > Advantage: Filter expression can be changed later. Interactive calculations > possible (web form). And, I could also filter out time ranges which are > defined as "scheduled downtime". > > From RPN tutorial I know that it is possible to define something for a single > timeframe. But for a monthly average I need to filter out a lot of "unwanted" > time ranges. With SQL this would be no problem, but with RRDtool I have my > problems. Well... one way of looking at it, would be to say... "hmm... Let's keep the RRD expression as simple as I can make it", and instead use some kind of a wrapper (for example, in perl or perl+SQL) to dynamically write the propper CDEFs for you? (Left as an excercise for the reader :-) -- [EMAIL PROTECTED] -- Unsubscribe mailto:[EMAIL PROTECTED] Help mailto:[EMAIL PROTECTED] Archive http://lists.ee.ethz.ch/rrd-users WebAdmin http://lists.ee.ethz.ch/lsg2.cgi
