Thanks all, here is the PR to add warning to ref guide https://github.com/apache/solr/pull/4235
Jan > 22. mars 2026 kl. 22:44 skrev Eric Pugh via dev <[email protected]>: > > Makes sense! > Sent from my iPhone > >> On Mar 22, 2026, at 4:42 PM, David Smiley <[email protected]> wrote: >> >> Sure +1. >> >>> On Sat, Mar 21, 2026 at 7:17 PM Jan Høydahl <[email protected]> wrote: >>> >>> Hi, >>> >>> In 10.0 we shipped a brand new metrics system powered by OTEL >>> instrumentation. It has diferent metric names, and is not backward >>> compatible with the solr exporter from 9.x >>> We are in the process of building some Grafana boards for it, which >>> uncover needs for some changes. >>> We decided to change internal and OTLP metric names from underscore to dot >>> separators (https://github.com/apache/solr/pull/4223) to align with OTEL >>> semantic conventions. >>> We found two metrics that are pure duplicates with different names. >>> >>> Clearly, there is a need for some changes and stabilization of this brand >>> new feature. >>> Looking back we should have declared the feature as BETA and experimental >>> in 10.0, but we did not. >>> >>> I therefore propose that we declare it a BETA feature now, by adding a >>> disclaimer in Ref Guide and send an [ANNOUNCE] email to the lists. >>> >>> As 10.0 is still brand new and likely not yet in production many places, >>> and even fewer depending on the new metrics names, we could retroactively >>> delcare it BETA from version 10.0. >>> That will allow us to tweak things in the next few minor versions. Perhaps >>> we want to rename a few metrics with better names. Perhaps some need to >>> change slightly. >>> >>> It is unfortunate to do such things after a release, but it is better to >>> do it now when 19.0 is still fresh. The longer we wait the harder to >>> justify changes. >>> >>> If the PMC agrees (I don't think we need a vote), I can draft an announce >>> mail and a PR against branch_10_0 ref guide. >>> >>> Jan >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: [email protected] >>> For additional commands, e-mail: [email protected] >>> >>> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] >
