On Wed, 1 Apr 2020 at 21:00, Albert Serrallé <[email protected]> wrote:
> That's how is usually done in my company (and I suspect that's very > prevalent but *wrong* in the end, if I understand that link correctly). > In my company, at team level we have a lot of metrics scraped into a single > prometheus. Then, at company level we just "replicate" everything with the > corresponding team label. > Yes, that would not be the recommended way to do things. It's more complex, less reliable, and less performant. > The *official* recommendation would be to create aggregation rules in the > "team" prometheus, and federate that from the "company" prometheus, right? > Only if there's an aggregation that makes sense, which is probably not the case for CloudWatch - and you'd still mess up the timestamps. Brian > > On Wednesday, 1 April 2020 21:42:20 UTC+2, Brian Brazil wrote: >> >> On Wed, 1 Apr 2020 at 20:11, Albert Serrallé <[email protected]> wrote: >> >>> Hello, >>> >>> I'm trying to figure out how to federate my cloudwatch_exporter metrics. >>> >>> The default metrics are 10m old, I understand that this is needed >>> because cloudwatch consolidate metrics over time. My prometheus is scraping >>> the exporter and saving the values with the original timestamp. Federation >>> queries (as they are instant queries) cannot retrieve those metrics. >>> >>> So, I think that my only options are: >>> >>> - set_timestamp -> false (fake illusion of real time metric, which >>> are really 10m old) >>> - delay_seconds -> 1s-5m (metric might not be consolidated in >>> cloudwatch) >>> >>> There's anything else I can try? I don't like any of those two methods >>> for the exposed reasons. I've been looking at the changes in stale logic >>> for 2.0, but I don't know if this applies to me or how to do it: >>> >>> If you're federating instance-level metrics, switch to only aggregated >>>> metrics >>>> >>> >>> So, what's the recommended way to overcome this? >>> >> >> You can't with federation, it's merely a more obvious case where >> instance-level metrics don't work. See >> https://www.robustperception.io/federation-what-is-it-good-for >> >> In this case if you need the metrics in a different Prometheus, get that >> Prometheus to scrape the cloudwatch exporter. >> >> Brian >> >> >>> >>> Many thanks. >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Prometheus Users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/prometheus-users/030245a2-9e9e-4493-9a39-eebf53753e47%40googlegroups.com >>> <https://groups.google.com/d/msgid/prometheus-users/030245a2-9e9e-4493-9a39-eebf53753e47%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> >> >> -- >> Brian Brazil >> www.robustperception.io >> > -- > You received this message because you are subscribed to the Google Groups > "Prometheus Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/prometheus-users/f03663b6-1dba-4930-a016-077a2328745c%40googlegroups.com > <https://groups.google.com/d/msgid/prometheus-users/f03663b6-1dba-4930-a016-077a2328745c%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- Brian Brazil www.robustperception.io -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/CAHJKeLq1W90G%2Bnf0mFrkVG2EKfKseHF5Jo6XiVEw2Tu8JHOEEw%40mail.gmail.com.

