> What might be more useful might be an option to handle unknowns > differently during consolidation.
Yeah - that's the problem. Once an unknown is recorded, I don't believe this formula works. Related - ADDNAN treats unknowns as zero (looking for the same behavior here). -Derek On Tue, Aug 21, 2012 at 12:00 PM, Simon Hobson <[email protected]> wrote: > Derek Haynes wrote: >> > That makes sense. You will only get one value by summing a list of >> numbers. >>> Which leads on to ... what would you store for a SUM CF ? >> >>Instead of averaging the known values, calculate the sum. For example, >>if I have an RRD file w/1-min RRAs and I want to fetch at a 30-minute >>step (lower resolution across a large time frame), I'd be looking for >>the sum of each RRA value during each 30 minute interval. > > Which you can get with : > > cdef:data_sums=data_avg,${res_step},* > > Where ${res_step} is the length of the consolidation interval being > used. In your example, 1800 seconds. > > What might be more useful might be an option to handle unknowns > differently during consolidation. > > -- > Simon Hobson > > Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed > author Gladys Hobson. Novels - poetry - short stories - ideal as > Christmas stocking fillers. Some available as e-books. > > _______________________________________________ > rrd-users mailing list > [email protected] > https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users -- Derek Haynes Scout Web Monitoring and Reporting ~ http://scoutapp.com Blog ~ http://blog.scoutapp.com 415.871.7979 _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
