(2014-09-15)See Sensible Graphs with CactiThe two templates from that page are also attached here.One thing I did do is for the Load Average graph I (manually, not in the attached file) removed the Total line as there's no sense to that value.
This is a collection of techical information, much of it learned the hard way. Consider it a lab book or a /info directory. I doubt much of it will be of use to anyone else.