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fix(om2.0): abnf consistent with model #2897

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krajorama merged 1 commit into from
Mar 18, 2026
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fix(om2.0): abnf consistent with model #2897

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8 changes: 4 additions & 4 deletions docs/specs/om/open_metrics_spec_2_0.md
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Expand Up @@ -341,7 +341,7 @@ GaugeHistograms measure current distributions. Common examples are how long item

A GaugeHistogram Sample MUST contain Gcount, Gsum values.

The GCount value MUST be equal to the number of measurements currently in the GaugeHistogram. The GCount is a gauge semantically. The GCount SHOULD be and integer. The GCount SHOULD NOT be -Inf, +Inf, NAN, or negative.
The GCount value MUST be equal to the number of measurements currently in the GaugeHistogram. The GCount is a gauge semantically. The GCount SHOULD be an integer. The GCount SHOULD NOT be -Inf, +Inf, NAN, or negative.

Float and negative GCount is allowed to make it possible to expose results of arithmetic operations on GaugeHistograms, such as the rate of change of a Histogram over time.

Expand Down Expand Up @@ -422,12 +422,12 @@ metric-descriptor = HASH SP type SP (metricname / metricname-utf8) SP metric-typ
metric-descriptor =/ HASH SP help SP (metricname / metricname-utf8) SP escaped-string LF
metric-descriptor =/ HASH SP unit SP (metricname / metricname-utf8) SP *metricname-char LF

metric = *sample

metric-type = counter / gauge / histogram / gaugehistogram / stateset
metric-type =/ info / summary / unknown

sample = metricname-and-labels SP value [SP timestamp] [SP start-timestamp] *exemplar LF
metric = metricname-and-labels SP sample

sample = value [SP timestamp] [SP start-timestamp] *exemplar LF

value = number / "{" composite-value "}"

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