Grafana dashboard: Prometheus Retention
Description: Find needed size for data retention based on metrics 
https://prometheus.io/docs/prometheus/latest/storage/#operational-aspects


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  "title": "Prometheus Retention",
  "uid": "eLCOpumWz",
  "version": 3,
  "description": "Find needed size for data retention based on metrics \nhttps://prometheus.io/docs/prometheus/latest/storage/#operational-aspects"
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