metrics-series-keyed-by-frozen-tags

Status: IN

Series are stored keyed by `(metric_name, frozenset(tags.items()))`, so each unique tag combination creates a distinct time series — the standard cardinality model

Source: entries/2026/06/05/metrics-monitoring-and-alerting-metrics.md

Depended on by

• metrics-indexing-separates-write-key-from-read-matching

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