Grafana Loki
Grafana Loki is an open source logging aggregation system designed to be part of the Grafana ecosystem. It is optimized for saving, indexing, and querying logs through labels and streams.
logs
monitoring
observability
Grafana Loki: Open Source Logging Aggregation System
An open source logging aggregation system designed for the Grafana ecosystem, optimized for saving, indexing, and querying logs through labels and streams.
What is Grafana Loki?
Grafana Loki is an open source logging aggregation system designed specifically for cloud native infrastructure. It is optimized for saving, indexing, and querying logs through labels and streams rather than unstructured text.
Some key features of Grafana Loki include:
- Horizontally scalable - built on top of Prometheus's remote write protocol.
- Log queries - filter and aggregate logs in real-time using PromQL (Prometheus Query Language).
- Labels - apply labels to log streams which allows users to query logs by specific attributes.
- Multiple tenants - ability for multiple isolated users within the same Loki cluster.
- Ingestion via Docker or agent. Integrates well with popular data sources like Kubernetes.
- Can be combined with tools like Grafana for visualization and dashboarding of logs.
Overall, Loki provides a flexible platform optimized specifically for logging and observable data, rather than general purpose data storage. Its tight integration with the Grafana ecosystem makes it a popular choice for cloud native logging pipelines.
Grafana Loki Features
Features
- Log aggregation system
- Optimized for querying logs
- Uses labels to organize log streams
- Integrates with Grafana for visualizations
Pricing
- Open Source
Pros
Open source and free
Scales horizontally
Fast queries
Integrated with Grafana ecosystem
Cons
Less features than commercial competitors
Steep learning curve
Not ideal for metrics storage
Official Links
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