Made a draft PR: https://github.com/prometheus/prometheus/pull/9946
On Tuesday, November 23, 2021 at 6:56:18 AM UTC+2 [email protected] wrote: > (slightly tangential) > > > We want richer metadata anyway, > +1, richer metadata about the data in tsdb will be required for the query > optimizer too. IMO without the metadata, the optimizer cannot choose the > best query plan (order of evaluating the query). > > On Monday, 22 November 2021 at 17:28:36 UTC+5:30 [email protected] wrote: > >> As a short- to mid-term remedy, I like the idea of a lookback-delta >> per query. >> >> Long-term, I would prefer if we could get rid of the lookback delta >> altogether. We want richer metadata anyway, and part of it could be >> when a series starts and ends and what the configured scrape interval >> was. Once we know that, we can create query strategies so that we can >> always return the most recent valid sample (if there is any) without >> generally killing query performance. >> >> -- >> Björn Rabenstein >> [PGP-ID] 0x851C3DA17D748D03 >> [email] [email protected] >> > -- You received this message because you are subscribed to the Google Groups "Prometheus Developers" 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-developers/c8df5559-441c-405b-8b9d-84295737b7e0n%40googlegroups.com.
