open-nomad/website/source/api/metrics.html.md
2018-03-11 17:39:19 +00:00

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---
layout: api
page_title: Metrics - HTTP API
sidebar_current: api-metrics
description: |-
The /metrics endpoint is used to view metrics for Nomad
---
# Metrics HTTP API
The `/metrics` endpoint returns metrics for the current Nomad process.
| Method | Path | Produces |
| ------- | --------------- | -------------------------- |
| `GET` | `/v1/metrics` | `application/json` |
The table below shows this endpoint's support for
[blocking queries](/api/index.html#blocking-queries) and
[required ACLs](/api/index.html#acls).
| Blocking Queries | ACL Required |
| ---------------- | ------------ |
| `NO` | `none` |
### Parameters
- `format` `(string: "")` - Specifies the metrics format to be other than the
JSON default. Currently, only `prometheus` is supported as an alternative
format. This is specified as a querystring parameter.
### Sample Request
```text
$ curl https://localhost:4646/v1/metrics
```
```text
$ curl https://localhost:4646/v1/metrics?format=prometheus
```
### Sample Response
```json
{
"Counters":[
{
"Count":11,
"Labels":{},
"Max":1.0,
"Mean":1.0,
"Min":1.0,
"Name":"nomad.nomad.rpc.query",
"Stddev":0.0,
"Sum":11.0
}
],
"Gauges":[
{
"Labels":{
"node_id":"cd7c3e0c-0174-29dd-17ba-ea4609e0fd1f",
"datacenter":"dc1"
},
"Name":"nomad.client.allocations.blocked",
"Value":0.0
},
{
"Labels":{
"datacenter":"dc1",
"node_id":"cd7c3e0c-0174-29dd-17ba-ea4609e0fd1f"
},
"Name":"nomad.client.allocations.migrating",
"Value":0.0
}
],
"Samples":[
{
"Count":20,
"Labels":{},
"Max":0.03544100001454353,
"Mean":0.023678050097078084,
"Min":0.00956599973142147,
"Name":"nomad.memberlist.gossip",
"Stddev":0.005445327799243976,
"Sum":0.4735610019415617
},
{
"Count":1,
"Labels":{},
"Max":0.0964059978723526,
"Mean":0.0964059978723526,
"Min":0.0964059978723526,
"Name":"nomad.nomad.client.update_status",
"Stddev":0.0,
"Sum":0.0964059978723526
}
]
}
```