OPAL Metrics Verbs

Metrics verbs create, aggregate, or normalize time series values. They are often used with aggregate functions.

Verb	Description
aggregate	Aggregates metrics across tag dimensions.
align	Align raw metrics onto a time grid (defined by the input period) by aggregating nearby data points together.
rollup	Rollup raw metrics into aligned metrics.
set_metric	Register a metric, with its metadata defined in an options object.