product · inferred from evidence
Metrics without Limits
A Datadog product offering that provides ingested vs indexed volumes and allows dropping indexing on high-cardinality tags.
- Datadog custom metrics billing: tag cardinality is the cost trap
Datadog bills custom metrics per unique metric name plus tag combination. The count scales with your most granular tag, so a high-cardinality tag like user id multiplies the bill. The docs counting examples prove it. Not the full reference