13 lines
902 B
Markdown
13 lines
902 B
Markdown
---
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title: "Loki"
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ring: trial
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quadrant: tools
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tags: [devops]
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---
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Archiving indexed log data with a system like [Elasticsearch](/platforms-and-aoe-services/elasticsearch/) can be expensive, and archiving it as simple text files makes it hard to query. [Loki](https://grafana.com/oss/loki/) solves this issue by adding a reference database based on [Kubernetes](/platforms-and-aoe-services/kubernetes/) labels to each log line, similar to [Prometheus](/platforms-and-aoe-services/prometheus/), but storing the log data inside a simple blob storage like AWS S3. This allows the user to query the data by predefined labels and keeps the costs for indexing low.
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Another benefit is that Loki does not have an endpoint for mutating log data, making the data immutable from a potentially compromised system.
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At AOE, we use Loki for long-term log archiving in several Kubernetes clusters.
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