Rename series (or frames) to "edges" and "nodes" so they can be used in Node Graph

[jangaraj]

Name your queries properly:

and expect more problems:

Using prometheus stats with Node Graph

Node Graph seems to be a very promising plugin, but with it’s strict requirements on the data frames is awkward to use. I think I understand why it is that way and I was able to make my services expose Prometheus metrics just the way it wants them. The only thing that I am missing is support for statistics (mainstat etc.). I wanted to pick the brains of the community so I understand better the design of Node Graph. Node Graph will not pick up values from a time series even if I name it correc…