The span log group
Spans sent to X-Ray are ingested and managed in a log group called aws/spans.
This topic describes which CloudWatch Logs features are available for transaction spans.
Available features
The following CloudWatch Logs features are available for transaction spans.
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Metric filters – Use metric filters to extract custom metrics from spans.
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Subscriptions – Use subscriptions to access a real-time feed of span events from CloudWatch Logs.
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Log anomaly detection – Use log anomaly detection to establish a baseline for spans sent to the
aws/spanslog group. -
Contributor Insights – Use Contributor Insights to analyze span data and create a time series displaying contributor data.
Unsupported features
The following are features not supported for transaction spans.
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Spans cannot be sent to CloudWatch Logs with the
PutLogEventsAPI. -
Span data cannot be enriched or transformed.
Note
Span ingestion is charged separately from log ingestion.
For information about pricing, see Amazon CloudWatch Pricing
