On 24 Jun 14:53, Levi Harrison wrote: > Maybe we could utilize Golang's plugin library <https://pkg.go.dev/plugin>to > provide a way for users to write their own functions in compliance with the > defined > format > <https://github.com/prometheus/prometheus/blob/7cb55d57328c60e4a69e741c4953b97e41bf0be3/promql/functions.go#L46> > > and then dynamically load them into PromQL.
That approach would ban windows users. I am not sure if that is an acceptable trade-off. > > On Thursday, June 24, 2021 at 5:14:51 PM UTC-4 [email protected] wrote: > > > On 24.06.21 00:05, 董善东 wrote: > > > hi,all > > > In the existing prometheus version, the anomaly detection still relies > > > fully on the rules setting. We find that it is inconvenient to set and > > hard > > > to maintain in practical use. > > > So I propose to add some statistical analysis functions to provide > > better > > > and stronger AD ability. > > > > Yeah, that's a frequent request. Unfortunately, there are so many > > statistical analysis functions that we can hardly just add them all. > > > > So far, the usual recommendation is to extract data from Prometheus > > via the HTTP API and feed it to a fully-fledged statistics tool. > > > > Obviously, that doesn't help you with alerts (which you probably want > > to keep within Prometheus). > > > > At the previous to last dev-summit (2021-05-27), we discussed the use > > case. > > > > Outcome was the following: > > * We want to explore supporting analytics use cases within PromQL behind > > a feature flag > > * We are open to wrapping other languages, e.g. R, Fortran, SciPython, > > given an accepted design doc > > > > See alse notes here: > > > > https://docs.google.com/document/d/11LC3wJcVk00l8w5P3oLQ-m3Y37iom6INAMEu2ZAGIIE/edit?ts=6036b8e0&pli=1#heading=h.sa2f6aem9wdt > > > > So I guess you could just implement the functions you like and put > > them into a PR, locked behind a feature flag. > > > > Personally, I'm still not sure if that's a sustainable > > approach. Perhaps integrating some scripting engine to allow > > user-defined functions might be better. But we'll see… > > > > -- > > 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/8fb5d7fc-30f8-4a68-aa27-05fb66b4c2e7n%40googlegroups.com. -- Julien Pivotto @roidelapluie -- 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/20210625093005.GA291230%40oxygen.
