MUST NOT be interleaved

dashpole · dashpole · commit 2c9d9ae6c2ae · 2026-03-13T13:49:16.000Z
diff --git a/docs/specs/om/open_metrics_spec_2_0.md b/docs/specs/om/open_metrics_spec_2_0.md
@@ -832,6 +832,8 @@ foo_total 17.0 1520879607.789 st@1520430000.123 # {trace_id="KOO5S4vxi0o"} 0.67
 
 There are no recommended suffixes for the MetricFamily name for a MetricFamily of Type StateSet.
 
+StateSet MetricGroups MUST NOT be interleaved.
+
 StateSets MUST have one Metric per State in the StateSet MetricGroup. Each State's Metric MUST have a label with the MetricFamily name as the label name and the State name as the label value. The Metric Sample's Value MUST be 1 if the State is true and MUST be 0 if the State is false.
 
 An example with the states "a", "bb", and "ccc" in which only the value bb is enabled and the metric name is foo:
