| Metric | Description |
| Connections - Active | Total number of active connections |
| Connections - Reading | Number of connections currently reading client requests |
| Connections - Writing | Number of connections waiting on upstream responses and/or writing responses back to the client |
| Connections - Waiting | Number of keep-alive connections waiting for work |
| Request Rate | Rate of requests processed per second |
| Connections Opened | Rate of connections per second |
| Connections Dropped | Rate of connections dropped per second |
