16 lines
777 B
Markdown
16 lines
777 B
Markdown
---
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title: "Loki"
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ring: trial
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quadrant: tools
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featured: true
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tags: [devops]
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---
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Archiving indexed log data with a system like Elasticsearch can be expensive and archiving it as simple text files makes it hard to query them.
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[Loki](https://grafana.com/oss/loki/) solves this issue by adding a reference database based on Kubernetes labels to each log line similar to Prometheus, but holding the log data inside a simple blob storage like S3.
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This allows the user to query the data by pre-defined labels and keeps the costs for indexing low.
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Another benefit is the fact that does not have an endpoint for mutating log data which makes the data immutable from a potential compromised system.
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We at AOE are using it for longer term log archiving in several Kubernetes clusters.
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