sum by
Also written: sum, sum by (label)
A PromQL aggregation: `sum` adds series together, and `sum by (route)` keeps one result per value of the `route` label. Histogram queries use `sum by (le)` to keep buckets apart.
Also written: sum, sum by (label)
A PromQL aggregation: `sum` adds series together, and `sum by (route)` keeps one result per value of the `route` label. Histogram queries use `sum by (le)` to keep buckets apart.