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] >> >>
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