Loki is an open-source log aggregation system developed by Grafana Labs. It is designed to efficiently collect, store, and query log data from various sources. Loki is built to address the challenges of handling high-volume, high-cardinality log data in a scalable and cost-effective manner.
Loki is part of the broader Grafana ecosystem and is often used in conjunction with Grafana to provide comprehensive observability and monitoring capabilities.