# RTB Fabric metrics
RTB Fabric publishes the following metrics to CloudWatch.
**Important**
The request-count metrics in this table (`total-request-count`, `success-request-count`, `failure-request-count`, and `request-status-count`) are emitted as multiple data points per minute. View these metrics with the `Sum` statistic to see the actual request volume for the time period. Other statistics, such as `Average`, will not reflect the true total.
| Metric | Description |
| --- | --- |
| `total-request-count` | The total number of requests received by the service.
Valid Dimensions: Link
Valid Statistics: Sum
Units: Count |
| `success-request-count` | The number of successful requests processed by the service.
Valid Dimensions: Link
Valid Statistics: Sum
Units: Count |
| `failure-request-count` | The number of failed requests.
Valid Dimensions: Link
Valid Statistics: Sum
Units: Count |
| `request-status-count` | The number of requests broken down by HTTP status codes.
Valid Dimensions: HttpStatusCode, Link
Valid Statistics: Sum
Units: Count |
| `forwarding-latency` | The time taken to forward requests.
Valid Dimensions: Link, Statistic (P90, P95, P99)
Valid Statistics: Average, Maximum, Minimum
Units: Microseconds |
| `total-latency` | The end-to-end request processing time.
Valid Dimensions: Link, Statistic (P90, P95, P99)
Valid Statistics: Average, Maximum, Minimum
Units: Microseconds |
| `target-ip-count` | The number of target IP addresses discovered in your Auto Scaling groups.
Valid Statistics: Sum, Average
Units: Count |
| `healthy-target-ip-count` | The number of target IP addresses that passed [Health checks for Managed Endpoints](health-checks-for-managed-endpoints.md) and are receiving traffic. This metric is only available when health checks are enabled on Auto Scaling group managed endpoints.
Valid Statistics: Sum, Average
Units: Count |