- It's frequently useful to graph a metric over a cluster of hosts, e.g. "show me the number of requests/s being handled by all of my load balancers".
- Doing this in vanilla Graphite is easy - it honors both glob expressions (
lb*
) and brace expressions ({a,b,c,d}
). - But how do we generate these for clusters whose hostnames don't glob well, and/or whose members change over time?
- Generally flippin' awesome.
- Has a database of Metrics, Graphs composing 1+ Metrics, and Dashboards composing 1+ Graphs.