On Wednesday, 25 March 2020 00:15:53 UTC, Cameron Kerr wrote:
>
> What should the query be to give me a single value for each series
> {vpn,ifName} that would give the 95th percentile based on the past N days?
>
>
Something like
<https://prometheus.io/docs/prometheus/latest/querying/functions/#aggregation_over_time>
:
quantile_over_time(0.95, ...)
where ... is a range vector, so you'll want to put a subquery
<https://prometheus.io/docs/prometheus/latest/querying/basics/#subquery> in
there, e.g. (expr)[7d:5m] if you're thinking about the 95th percentile
based on 5-minute samples, which is typically what people want.
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