{"id":"metrics-series-keyed-by-frozen-tags","text":"Series are stored keyed by `(metric_name, frozenset(tags.items()))`, so each unique tag combination creates a distinct time series — the standard cardinality model","truth_value":"IN","source":"entries/2026/06/05/metrics-monitoring-and-alerting-metrics.md","source_url":"","source_hash":"","justifications":[],"dependents":["metrics-indexing-separates-write-key-from-read-matching"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"metrics-series-keyed-by-frozen-tags","truth_value":"IN","reason":"premise"}]}}