package PB.Metrics

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Used in: Histogram

uint64 cumulative_count = 1
double upper_bound = 2

Used in: Metric

uint64 sample_count = 1
double sample_sum = 2
repeated Bucket bucket = 3

Used in: MetricsBundle

string key = 1
The name of this metric within its bundle. Joined with the bundle path by a "." it is the key of the flat JSON view (/api/v2/metrics), the Graphite path and the collectd identifier, so it is the one field no consumer may see move: producers keep composing it exactly as before, and the metadata below is what the OpenMetrics exposition reads instead.
repeated Common.KeyValue dims = 11
Labels for the OpenMetrics exposition. Only the OpenMetrics renderer reads them; every flat consumer keeps reading `key`, so a metric whose key still embeds its instance ("core 0.idle") can carry core="0" here without renaming anything.
oneof value
Which member is set is the metric's OpenMetrics type: gauge, counter (rendered with the `_total` suffix the spec requires), unknown, summary, histogram - or, for a string, a label of the bundle's `_info` family.
- Common.OptionalFloat gauge_value = 5
- Common.OptionalString string_value = 6
- Common.OptionalFloat counter_value = 7
- Common.OptionalFloat untyped_value = 8
- Summary summary_value = 9
- Histogram histogram_value = 10
string alias = 3
The OpenMetrics family name relative to the bundle, when it differs from `key` - which it does exactly when the key embeds an instance that `dims` carries as a label ("core 0.idle" -> alias "idle", dims core="0"). Empty means the key is the name.
string desc = 4
One line of help text, emitted as `# HELP`. A metric without one falls back to its bundle's `desc`.
string unit = 12
The unit of the value ("bytes", "seconds", "percent", ...), emitted as `# UNIT` and appended to the family name, which OpenMetrics requires a unit-carrying family to end with. Empty for a unitless count.

Used in: MetricsMessage.Response

string key = 1
repeated Metric value = 2
repeated MetricsBundle children = 6
string alias = 3
string desc = 4
Help text for every metric of this bundle that declares none of its own.