[rrd-users] adding DS values from multiple rrd files?
jbrooks at oddelement.com
Tue Aug 3 14:54:25 CEST 2010
I'm trying to create a graph that uses a datasource from a number of
different rrd files to show total items in the queue.
I have the graph working, but I want to add a legend item that shows the
right now, the graph (a stacked graph) shows a different band for each
server and the legend displays the text "<server name> <X> messages in the
but how can i add up all the values so i can print "total <X> messages in
i'm doing this on a php page if that helps/matters. I have a foreach loop
that extracts the ds value for each server in a list.
(rrdtool = 1.3.8)
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