Observing Loki

All components of Loki expose the following metrics:

The Loki Distributors expose the following metrics:

Promtail exposes these metrics:

Most of these metrics are counters and should continuously increase during normal operations:

1. Promtail reads the new line and increases its counters.
2. The Loki distributor forwards the log line to a Loki ingester, where therequest duration counter should increase.

An example Grafana dashboard was built by the community and is available asdashboard 10004.

The Loki repository has a that includes aset of dashboards, recording rules, and alerts. Together, the mixin gives you acomprehensive package for monitoring Loki in production.