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Docs: Add info about Prometheus http method (#31651)

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* Add infor about http method

* Update docs/sources/datasources/prometheus.md

Co-authored-by: achatterjee-grafana <70489351+achatterjee-grafana@users.noreply.github.com>

Co-authored-by: achatterjee-grafana <70489351+achatterjee-grafana@users.noreply.github.com>
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Ivana Huckova 2021-03-05 11:30:26 +01:00 committed by GitHub
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docs/sources/datasources/prometheus.md
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@ -23,7 +23,8 @@ To access Prometheus settings, hover your mouse over the **Configuration** (gear
| `Basic Auth` | Enable basic authentication to the Prometheus data source. |
| `User` | User name for basic authentication. |
| `Password` | Password for basic authentication. |
| `Scrape interval` | Set this to the typical scrape and evaluation interval configured in Prometheus. Defaults to 15s. |
| `Scrape interval` | Set this to the typical scrape and evaluation interval configured in Prometheus. Defaults to 15s.
| `HTTP method` | Use either POST or GET HTTP method to query your data source. POST is the recommended and pre-selected method as it allows bigger queries. Change this to GET if you have a Prometheus version older than 2.1 or if POST requests are restricted in your network. |
| `Disable metrics lookup` | Checking this option will disable the metrics chooser and metric/label support in the query field's autocomplete. This helps if you have performance issues with bigger Prometheus instances. |
| `Custom Query Parameters` | Add custom parameters to the Prometheus query URL. For example `timeout`, `partial_response`, `dedup`, or `max_source_resolution`. Multiple parameters should be concatenated together with an '&amp;'. |
| `Label name` | Add the name of the field in the label object. |
@ -187,6 +188,7 @@ datasources:
type: prometheus
# Access mode - proxy (server in the UI) or direct (browser in the UI).
access: proxy
httpMethod: POST
url: http://localhost:9090
jsonData:
exemplarTraceIdDestinations: