On 02 Apr 13:15, Ben Kochie wrote:
> https://www.robustperception.io/graph-top-n-time-series-in-grafana
Note that now you can use the promql query:
node_scrape_collector_duration_seconds and topk(5,
avg_over_time(node_scrape_collector_duration_seconds[${__range_s}s]) @ end()
https://prometheus.io/blog/2021/02/18/introducing-the-@-modifier/
>
> On Fri, Apr 2, 2021 at 2:22 AM chuanjia xing <[email protected]> wrote:
>
> > I have aws ec2 CPUUtilization data in Prometheus. Let's say I have data
> > for 100 ec2 instances for last 24 hours in a 5min granular. Now I want to
> > find the top 10 ec2 instances with the highest CPUUtilization in past 24
> > hours. How should I compare them to select?
> >
> > I tried to use the topk() function, but that seems like returning more
> > than 10 instances. My understanding is it will return the topk instances in
> > each timestamp, which will result in way more than k instances;
> >
> > I also tried to use ave_over_time function, after applying this function
> > on each time series, the results are still bunch of time series and still I
> > don't know how to compare them.
> >
> > So what are the options for me for this?
> >
> > Thanks
> >
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> >
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--
Julien Pivotto
@roidelapluie
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