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

The bill that made me open a support ticket with myself Last October our VictoriaMetrics cluster crossed 340 million active time series and our monthly infra cost for the storage tier hit $4,900. Nobody had approved that number. It just&hellip; grew, the way disk usage always grows, one Helm chart install at a time until finance asks why the &ldquo;monitoring&rdquo; line item is bigger than the…