Loki
Loki is the distributed logging backend from Grafana under their opensource projects this is very easy to integrate with the Grafana stack and supports the OTLP protocol from OpenTelemetry.
Loki also supports for Logs -> Traces from the Grafana dashboard, by connecting a Tracing backend such as Tempo, using the LogQL Loki’s Query language you can easily query the loki logs and gain insights into the application.
a sample Loki configuration file
Transclude of loki.yml