Ingest OpenTelemetry traces
Ingestion limits
The following limitations apply to OpenTelemetry trace ingest requests and ingested spans.
| Type | Limit | Description |
|---|---|---|
| Span end time | 60 minutes in the past | The minimum value of the span end timestamp at time of ingestion |
| Span end time | 10 minutes in the future | The maximum value of the span end timestamp at time of ingestion |
| Number of span attributes | 1281 | The maximum number of span attributes per span |
| Number of span events | 1281 | The maximum number of events per span |
| Number of event attributes | 1281 | The maximum number of attributes per span event |
| Number of span links | 1281 | The maximum number of links per span |
| Number of link attributes | 1281 | The maximum number of attributes per span link |
| Request size | 8 MB | The maximum size of an OTLP request for trace ingest to an ActiveGate (uncompressed data) |
| Request size (gzip) | 8 MB | The maximum size of an OTLP request for trace ingest to an ActiveGate (compressed data) |
1 Typical limit of the OpenTelemetry SDK. Not limited by Dynatrace. |
Trace ingestion metrics
The following Dynatrace-specific metrics can be useful when analyzing trace ingestion issues.
| Name | Description |
|---|---|
dsfm:server.spans.received | Number of spans received by the cluster from our OpenTelemetry endpoint |
dsfm:server.spans.persisted | Number of spans preserved by Dynatrace; only preserved spans are available for distributed traces analysis |