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add worker metrics documentation

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HarHarLinks 2021-10-19 23:32:28 +02:00
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docs/configuring-playbook-prometheus-grafana.md
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@ -58,6 +58,10 @@ Name | Description
`matrix_nginx_proxy_proxy_synapse_metrics_basic_auth_key`|Set this to a password to use for HTTP Basic Auth for protecting `https://matrix.DOMAIN/_synapse/metrics` (the username is always `prometheus` - it's not configurable) `matrix_nginx_proxy_proxy_synapse_metrics_basic_auth_key`|Set this to a password to use for HTTP Basic Auth for protecting `https://matrix.DOMAIN/_synapse/metrics` (the username is always `prometheus` - it's not configurable)
`matrix_server_fqn_grafana`|Use this variable to override the domain at which the Grafana web user-interface is at (defaults to `stats.DOMAIN`) `matrix_server_fqn_grafana`|Use this variable to override the domain at which the Grafana web user-interface is at (defaults to `stats.DOMAIN`)
### Collecting worker metrics to an external Prometheus server
If you are using workers (`matrix_synapse_workers_enabled`) and have enabled `matrix_nginx_proxy_proxy_synapse_metrics` as described above, the playbook will also automatically proxy the all worker threads's metrics to `https://matrix.DOMAIN/_synapse-worker-TYPE-ID/metrics`, where `TYPE` corresponds to the type and `ID` to the instanceId of a worker as exemplified in `matrix_synapse_workers_enabled_list`.
### Collecting system and Postgres metrics to an external Prometheus server (advanced) ### Collecting system and Postgres metrics to an external Prometheus server (advanced)
When you normally enable the Prometheus and Grafana via the playbook, it will also show general system (via node-exporter) and Postgres (via postgres-exporter) stats. If you are instead collecting your metrics to an external Prometheus server, you can follow this advanced configuration example to also export these stats. When you normally enable the Prometheus and Grafana via the playbook, it will also show general system (via node-exporter) and Postgres (via postgres-exporter) stats. If you are instead collecting your metrics to an external Prometheus server, you can follow this advanced configuration example to also export these stats.