Metric names
All metric names must begin with a letter, an underscore, or a colon. No metric names may begin with lightstep..
Beyond the first character, metric names may contain any of the following characters:
- Letters:
a-z,A-Z - Numbers:
0-9 - Symbols:
./_-:
If metric names don’t follow these requirements, they will be rejected.
Metric kinds
Cloud Observability supports gauges and two types of counters - deltas and cumulative, known as their kind. If when first ingested a metric name doesn’t match the kind recorded, it will be rejected and an error will be sent back to the client.
Cloud Observability supports:
- Gauges
- Deltas
- Cumulative
If you want to change a metric’s kind, contact Customer Success at support@lightstep.com.
Attributes
There are currently no restrictions on attribute keys or values.
See also
Ingest Prometheus metrics with an OpenTelemetry Collector on Kubernetes
Updated Aug 16, 2022