# RTB Fabric metrics
<a name="monitoring-cloudwatch-metrics"></a>

RTB Fabric publishes the following metrics to CloudWatch.


| 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  |