the _bucket part of the histogram metric gets a time series for each bucket - they’re incremented depending on the value that’s observed - in this case a duration - see https://prometheus.io/docs/concepts/metric_types/#histogram for more details
the _bucket part of the histogram metric gets a time series for each bucket - they’re incremented depending on the value that’s observed - in this case a duration - see https://prometheus.io/docs/concepts/metric_types/#histogram for more details