On Sun, 25 Oct 2020 at 07:32, Brian Candler <[email protected]> wrote:
> It could be that some of your scrapes are failing. With a 1 second scrape
> interval, the scrape time limit will be 0.5 seconds by default, I believe.
>
It'll be a second. It's only the blackbox exporter that subtracts out half
a second (by default), as if the probe times out there's still useful
metrics about how it failed that we want to try to get back to Prometheus.
Brian
>
> What does a graph of
>
> up{job="prometheus",instance="host.docker.internal:3000"}
> scrape_duration_seconds{job="prometheus",instance="host.
> docker.internal:3000"}
>
> show? What happens if you change your scrape interval to 10 seconds?
>
> How are you generating this "test_total" metric, i.e. what exporter is
> running on port 3000? And can you show the definition of the "prometheus"
> scrape job in your prometheus.yml ? (Aside: it would be normal to give the
> scrape job a more descriptive name, since you're not scraping prometheus
> itself)
>
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--
Brian Brazil
www.robustperception.io
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