# Observability (COS) The Canonical Observability Stack (COS) can be integrated with JAAS to facilitate collection and visualization of telemetry data. See also: [Observability documentation | What is COS?](https://documentation.ubuntu.com/observability/latest/explanation/overview/what-is-cos/) ## Guides JAAS supports the following COS applications: | Function | Application | |-------------------------------------------------------------------------------|------------------| | [Monitoring](https://documentation.ubuntu.com/jaas/latest/howto/observability-cos/enable-monitoring.md#enable-monitoring) | Grafana | | [Alert rules](https://documentation.ubuntu.com/jaas/latest/howto/observability-cos/enable-alert-rules.md#enable-alert-rules) | Prometheus, Loki | | [Tracing](https://documentation.ubuntu.com/jaas/latest/howto/observability-cos/enable-tracing.md#enable-tracing) | Tempo |