[Hawkular-dev] Ability to group by datapoint tag in Grafana

[John Mazzitelli]

> Here, query by tag means time series tags, not data points tags. That's
> probably why you don't get anything. Maybe we should more clearly
> disambiguate these two concepts as there's often some confusion.

:-) And that, I think, is what I meant by tags on "metric definitions" - I think the H-Metrics team calls them "timeseries tags".