Yup, with Prometheus to Prometheus remote write, it's much better than federation.
On Wed, May 18, 2022 at 4:51 PM Brian Candler <[email protected]> wrote: > I'd say keep a different instance for long-term data. > > This could be another prometheus, which gets data from the first one, e.g. > using federation > <https://prometheus.io/docs/prometheus/latest/federation/> or remote > write. Or it could be some completely different system > <https://prometheus.io/docs/operating/integrations/#remote-endpoints-and-storage> > that it remote writes > <https://prometheus.io/docs/prometheus/latest/storage/#remote-storage-integrations> > to. > > On Wednesday, 18 May 2022 at 08:50:59 UTC+1 [email protected] wrote: > >> Hello! >> >> I have a prometheus instance that keeps data for 60 days >> (--storage.tsdb.retention.time=1440h). This is fine for most metrics I >> keep, but I'd like to keep some metrics (things like temperatures for >> instance) for longer periods of time (1 year). >> >> Is there a way to do this efficiently? Do I have to set a longer >> retention period and then force expire most of the data to keep only what >> I'm interested in? Does this mess with the storage of data (e.g. >> fragmentation, frequent writes of old data)? Should I keep a different >> instance for long-term data? >> >> Thank you for any advice. >> Regards, >> Adrian >> > -- > 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/517b6b24-493c-4700-b3e4-5f3e6c72d44bn%40googlegroups.com > <https://groups.google.com/d/msgid/prometheus-users/517b6b24-493c-4700-b3e4-5f3e6c72d44bn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- 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/CABbyFmrgBwFr1Gbo9sLfsOnB6afsGOtik0izEwyx-FVnzE4gcQ%40mail.gmail.com.

