Prometheus metric retention impacts historical analysis capability
infostorageUpdated Mar 16, 2026(via Exa)
Sources
Technologies:
How to detect:
Time-series database retention period determines how far back metrics can be queried for trend analysis and capacity planning
Recommended action:
Configure retention period based on storage capacity and analysis needs. Default 30 days provides good balance for incident investigation and trend analysis. Longer retention requires more disk space.