Amazon CloudWatch metrics
| Metric name | Description | Unit |
|---|---|---|
| Age of the oldest record delivered; rising values indicate delivery lag or stall. | Seconds |
| Volume read into the delivery path. | Bytes |
| Volume processed. | Bytes |
| Volume written to the destination. | Bytes |
| Total rows seen. | Count |
| Rows delivered successfully. | Count |
| Rows that failed delivery; non-zero is the key error signal. | Count |
| Successful Iceberg commits. | Count |
| Records successfully routed to the dead-letter queue. | Count |