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David Gallay
95f6a48b9d
The cron and the prometheus.metric table only existed to pass values from the cron process to the HTTP workers. Querying the database directly when /metrics is scraped removes the cron, the table and the staleness.
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:alt: License
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Monitoring: Prometheus metrics
==============================
Add an endpoint */metrics* to allow a Prometheus server to fetch application metrics.
Current available metrics are:
* Request completion time with 3 differentiators:
* Filestore
* Assets
* Everything else
* Longpolling request count
No additional configuration is needed, just ensure that the Prometheus server is allowed to communicate with Odoo
Gathering metrics from the database
-----------------------------------
Metrics that require a database query are gathered on the fly by the */metrics*
endpoint, with ``sudo()`` since the endpoint is public, and published as gauges.
To publish new metrics, extend ``_gather_metrics`` on the ``prometheus.gatherer``
abstract model and return the result of ``super()`` extended with your own entries::
{
"name": "odoo_some_metric",
"documentation": "What this metric measures",
"labels": {"label_name": "label_value"},
"value": 42,
}