You could get the same effect by applying transformNull(). This is not unexpected behavior but I can see why you were confused by it.
Jason On Mon, Nov 03, 2014 at 06:10:30PM -0800, Florin Andrei wrote: > When graphing multiple metrics at once, and the metrics are counters > that require derivative(), always do derivative() before > sumSeries(). If you put sumSeries() before, and there are gaps in > some metrics, the gaps will show as huge spikes in the result. > Placing derivative() as the first function kills the spikes. > > I had this issue today and it was quite puzzling, before I realized > what's going on. Would be nice if someone made an observation in the > docs, next to one of these functions. ;) > > -- > Florin Andrei > http://florin.myip.org/ > > _______________________________________________ > Mailing list: https://launchpad.net/~graphite-dev > Post to : [email protected] > Unsubscribe : https://launchpad.net/~graphite-dev > More help : https://help.launchpad.net/ListHelp -- Jason Dixon http://obfuscurity.com/ https://twitter.com/obfuscurity _______________________________________________ Mailing list: https://launchpad.net/~graphite-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~graphite-dev More help : https://help.launchpad.net/ListHelp

