diff --git a/docs/configuring-playbook-prometheus-grafana.md b/docs/configuring-playbook-prometheus-grafana.md index 0ffa208e6..160570e21 100644 --- a/docs/configuring-playbook-prometheus-grafana.md +++ b/docs/configuring-playbook-prometheus-grafana.md @@ -17,16 +17,14 @@ When setting, replace `example.com` with your own. ## Adjusting the playbook configuration — Prometheus -Prometheus is an open-source systems monitoring and alerting toolkit. To enable it, add the following configuration to your `inventory/host_vars/matrix.example.com/vars.yml` file: +Prometheus is an open-source systems monitoring and alerting toolkit. It is a time series database, which holds all the data we're going to talk about. + +To enable it, add the following configuration to your `inventory/host_vars/matrix.example.com/vars.yml` file: ```yaml prometheus_enabled: true ``` -Name | Description ------|---------- -`prometheus_enabled`|[Prometheus](https://prometheus.io) is a time series database. It holds all the data we're going to talk about. - **Note**: the retention policy of Prometheus metrics is [15 days by default](https://prometheus.io/docs/prometheus/latest/storage/#operational-aspects). Older data gets deleted automatically. ### Enable metrics and graphs for generic system information (optional)