openmetrics
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atheriel
An opinionated Prometheus client for R conforming to the OpenMetrics standard
Exemplars are an optional feature of the OpenMetrics standard that attaches metadata about an individual sample to a histogram bucket, including its value, optional labels, and an optional timestamp: ```...
The existing Python client can serve as the reference implementation.
See: https://github.com/prometheus/client_python/blob/5b0a476489fc6a26c177683b539142c91005de06/prometheus_client/utils.py#L8 This is already (mostly) done for the histogram `le` labels, but applies to all metric formatting generally.