Grafnan Loki – is a horizontally-scalable, highly-available log aggregation system inspired by Prometheus. It is designed to be cost effective and easy to operate, as it does not index the contents of the logs, but rather labels for each log stream. Loki initially targets Kubernetes logging, using Prometheus service discovery to gather labels for log streams. As such, Loki enables you to easily switch between metrics and logs, streamlining the incident response process – a workflow we have built into the latest version of Grafana