influxdb/cmd/fluxd/README.md

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# Flux
This process provides an implementation of the idpe.Query interface via the network.
# Exposed Metrics
The `fluxd` process exposes a Prometheus endpoint on port `8093` by default.
The following metrics are exposed:
| Metric Name | Prometheus Type | Labels | Description
| ------------- | --------------- | --------------- | --------------- |
| `http_api_requests_total` | counter | handler,method,path,status | Number of requests received on the server |
| `http_api_requests_duration_seconds` | histogram | handler,method,path,status | Histogram of times spent on all http requests |
| `query_control_compiling_active` | gauge | org | Number of queries actively compiling |
| `query_control_compiling_duration_seconds` | histogram | org | Histogram of times spent compiling queries |
| `query_control_queueing_active` | gauge | org | Number of queries actively queueing |
| `query_control_queueing_duration_seconds` | histogram | org | Histogram of times spent queueing queries |
| `query_control_requeueing_active` | gauge | org | Number of queries actively requeueing |
| `query_control_requeueing_duration_seconds` | histogram | org | Histogram of times spent requeueing queries |
| `query_control_planning_active` | gauge | org | Number of queries actively planning |
| `query_control_planning_duration_seconds` | histogram | org | Histogram of times spent planning queries |
| `query_control_executing_active` | gauge | org | Number of queries actively executing |
| `query_control_executing_duration_seconds` | histogram | org | Histogram of times spent executing queries |
For the `http_api` metrics the `handler` label is `query` for this process.