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Add licensing telemetry docs.

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Matt Keeler 4 years ago
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      website/content/docs/agent/telemetry.mdx

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website/content/docs/agent/telemetry.mdx
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@ -249,6 +249,23 @@ Note that if servers don't restart often, then the snapshot could have grown
significantly since the last restore happened so last restore times might not
reflect what would happen if an agent restarts now.
### License Expiration <EnterpriseAlert inline />
| Metric Name | Description | Unit | Type |
| :-------------------------------- | :--------------------------------------------------------------- | :---- | :---- |
| `consul.system.licenseExpiration` | Number of hours until the Consul Enterprise license will expire. | hours | gauge |
**Why they're important:**
This measurement indicates how many hours are left before the Consul Enterprise license expires. When the license expires some
Consul Enterprise features will cease to work. An example of this is that after expiration, it is no longer possible to create
or modify resources in non-default namespaces or to manage namespace definitions themselves even though reads of namespaced
resources will still work.
**What to look for:**
This metric should be monitored to ensure that the license doesn't expire to prevent degradation of functionality.
## Metrics Reference
@ -280,10 +297,10 @@ This is a full list of metrics emitted by Consul.
| `consul.client.api.catalog_service_nodes.` | Increments whenever a Consul agent receives a request to list nodes offering a service. | requests | counter |
| `consul.client.api.success.catalog_service_nodes.` | Increments whenever a Consul agent successfully responds to a request to list nodes offering a service. | requests | counter |
| `consul.client.api.error.catalog_service_nodes.` | Increments whenever a Consul agent receives an RPC error for request to list nodes offering a service. | requests | counter |
| `consul.client.rpc.error.catalog_service_nodes.` | Increments whenever a Consul agent receives an RPC error for a request to list nodes offering a service. | errors | counter |
| `consul.client.api.catalog_node_services.` | Increments whenever a Consul agent receives a request to list services registered in a node. | requests | counter |
| `consul.client.api.success.catalog_node_services.` | Increments whenever a Consul agent successfully responds to a request to list services in a node. | requests | counter |
| `consul.client.rpc.error.catalog_node_services.` | Increments whenever a Consul agent receives an RPC error for a request to list services in a node. | errors | counter |
| `consul.client.rpc.error.catalog_service_nodes.` | Increments whenever a Consul agent receives an RPC error for a request to list nodes offering a service.   | errors | counter |
| `consul.client.api.catalog_node_services.` | Increments whenever a Consul agent receives a request to list services registered in a node.   | requests | counter |
| `consul.client.api.success.catalog_node_services.` | Increments whenever a Consul agent successfully responds to a request to list services in a node.   | requests | counter |
| `consul.client.rpc.error.catalog_node_services.` | Increments whenever a Consul agent receives an RPC error for a request to list services in a node.   | errors | counter |
| `consul.client.api.catalog_node_service_list` | Increments whenever a Consul agent receives a request to list a node's registered services. | requests | counter |
| `consul.client.rpc.error.catalog_node_service_list` | Increments whenever a Consul agent receives an RPC error for request to list a node's registered services. | errors | counter |
| `consul.client.api.success.catalog_node_service_list` | Increments whenever a Consul agent successfully responds to a request to list a node's registered services. | requests | counter |
@ -300,6 +317,7 @@ This is a full list of metrics emitted by Consul.
| `consul.dns.ptr_query.` | Measures the time spent handling a reverse DNS query for the given node. | ms | timer |
| `consul.dns.domain_query.` | Measures the time spent handling a domain query for the given node. | ms | timer |
| `consul.http...` | DEPRECATED IN 1.9: Tracks how long it takes to service the given HTTP request for the given verb and path. Paths do not include details like service or key names, for these an underscore will be present as a placeholder (eg. `consul.http.GET.v1.kv._`) | ms | timer |
| `consul.system.licenseExpiration` | <EnterpriseAlert inline /> This measures the number of hours remaining on the agents license. | hours | gauge |
| `consul.version` | Measures the count of running agents. | agents | guage |
## Server Health

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