How We Cut Our Prometheus / VictoriaMetrics Storage Bill by 60% (Cardinality Audit Walkthrough)

· Omar Ghader · Aug. 15, 2026, 10:45 p.m.
Summary
In this blog post, Omar Ghader shares his experience conducting a cardinality audit on a VictoriaMetrics cluster that unexpectedly increased its storage costs to $4,900 due to a surge in active time series. Through a detailed walkthrough of the audit process, he reveals insights into optimizing data storage and managing costs effectively for monitoring infrastructure.
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