# Metrics

NetObserv SNMP Trap exposes the `/metrics` endpoint to provide Prometheus-compatible statistics related to its performance and the resources it uses.

The endpoint returns data in a Prometheus text-based exposition format. Please refer to the [Prometheus documentation](https://prometheus.io/docs/introduction/overview) to learn more.

### Information

This section describes the information metrics that can be retrieved from the `/metrics` endpoint.

#### app\_info

`app_info` provides application details. The following is an example of an `app_info` record:

```shell
app_info{arch="arm64",cpus="10",env="native",hostname="M1-MacBook-Pro.local",instance_name="default",os="darwin",run_id="9fe34dd8-ff35-4bb5-bff8-1ba2b1547efb",version="7.5"} 1
```

The `app_info` data provides the following labels:

| Label           | Description                          |
| --------------- | ------------------------------------ |
| `arch`          | environment running application      |
| `cpus`          | number of cpus available             |
| `env`           | native install or Docker             |
| `hostname`      | name of machine                      |
| `instance_name` | name of the collector instance       |
| `os`            | operating system running application |
| `run_id`        | run id of application                |
| `version`       | version of the collector             |

#### license\_info

`license_info` provides license details. The following is an example of a `license_info` record:

```shell
license_info{account_id="account_id",application="trapcoll",expiration="1772150400",instance_name="default",level="7"} 1
```

The `license_info` record provides the following labels:

| Label           | Description                         |
| --------------- | ----------------------------------- |
| `account_id`    | account id of license               |
| `application`   | name of the application             |
| `expiration`    | license expiration date (unix time) |
| `instance_name` | name of the collector instance      |
| `level`         | license level.                      |

#### license\_telemetry\_hosts

`license_telemetry_hosts` provides the maximum number of SNMP trap devices that can push traps to the collector according to the license and configurations. The following is an example of a `license_telemetry_hosts` record:

```shell
license_telemetry_hosts{application="snmpcoll",instance_name="default"} 100
```

The `license_telemetry_hosts` record provides the following labels:

| Label           | Description                    |
| --------------- | ------------------------------ |
| `application`   | name of the application        |
| `instance_name` | name of the collector instance |


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```
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