Thank you! The line I refer to replaces any non-alphanumeric character with an underscore, not only slash though. In this case, the string refers to a node name that contains an interface name. I also use the exporter v2 and didn't see this issue with slash before, so rolling this out effectively renames metrics which makes their history a bit less useful after deployment.
Added a screenshot to the issue to demo the effect of removing only the token's sanitization. Carlos On Sun, 15 Feb 2026 at 20:13, Jimmy Björklund via lists.fd.io <[email protected]> wrote: > This is not a regression it’s changed so make the exports consistent and > work with v2. The same interface was in some places exported with / and in > some places with _ > Jimmy > > Sent from Outlook for iOS <https://aka.ms/o0ukef> > ------------------------------ > *From:* [email protected] <[email protected]> on behalf of Carlos > Aguado via lists.fd.io <[email protected]> > *Sent:* Sunday, February 15, 2026 6:26:24 PM > *To:* [email protected] <[email protected]> > *Subject:* [vpp-dev] Regression in metric naming in prometheus exporter > for 26.02-rc2 > > Hi, > > Testing the v26.02-rc2 release, I have found a regression in the > prometheus exporter that I can only attribute to a recent commit. I logged > the issue in GitHub but please let me share it here to understand the > intent so I can propose a change that fits the release window if warranted. > > https://github.com/FDio/vpp/issues/3686 > > Best, > Carlos > > > > >
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