Understanding histogram_quantile based on rate in Prometheus

Question

According to Prometheus documentation in order to have a 95th percentile using histogram metric I can use following query:

histogram_quantile(0.95, sum(rate(http         


        

Answer 1

You can refer to my reply here

Actually the rate() function is just used to specify the time window, the denominator has no effect in the computation of the pecentile value.