Rucio Meeting

Thursday 19 Feb 2026, 15:00 → 16:00 Europe/Zurich

Martin Barisits (CERN)

15:00 → 15:05 News

• Timeline for Rucio 40 "Guardians of the Donkeyverse"
  • Feature Freeze: Mar-23
  • RC1: Mar-26
  • Final: Apr-02
  • Release retrospective meeting: Apr-02
• Rucio 41 "Donkémon" roadmap planning: Apr-09
• AI Policy
  • Recently significant increase in contributions which are generated, or at least assisted, by AI
  • Some frustration (Review, code quality, ...) between people pro/contra to AI tools
  • I want to establish a Rucio AI Policy which sets a framework how we expect people to use AI tools responsibly in Rucio
    • Not banning AI tools, but having a set of rules which make their use sustainable
    • This is both a technical (code quality, retaining knowledge) as well as social (reviewers feeling their investments are worthwhile) exercise
  • Timeline
    • Currently working on a draft hoping to distribute it to the Rucio developers community on Feb-27
      • Community can send comments then
    • Discussion in Rucio meeting on Mar-05
• New Security component in Rucio
  • Ben will be the component lead
  • Expect some recommendations, and request for enhancements!
• RucioBot for PR
  • Will put into production next week

15:05 → 15:25 Community News & DevOps roundtable

• ATLAS
  • WebUI memory consumption issues
    • Might be an issue of eviction policy?
    • WebUI pods will need more memory compared to conventional servers
      • Due to Next.js
      • Some optimisation in the development pipeline
        • Startup procedure uses a lot of memory
• CMS
• Fermilab DUNE/RUBIN/...
• DaFab
• INFN Datalake
  • Helm-chart issue described in #186
  • useDeprecatedImplicitSecrets --> default false?
    • Add it in the next major release
• MADDEN / ETAP
  • Discussion of #8384
• CTAO
  • Larger test campaign
    • Multi-stage rules
    • Should work on whatever is possible in each "repair" iteration
      • martin will confirm if this is the case
    • Otherwise successful test
•  

15:25 → 15:55 Developers roundtable

• Reflection about ongoing Sprint 4 (Sprint Board) [Maggie]
  • Not so many people reporting issues
    • Please add to sprint board!
• PR review sprint
  • Slightly increased 56 → 58
• Rucio 40 priority followup
  • Todo
    • Create a new API endpoint for the clients to request tokens #6638 [Dimitrios]
    • Implement new token authentication for download #7029[Dimitrios]
    • DIDs not being shown correctly in the extension after a successful download #95 [Giovanni]
    • Make available + Add to Notebook features failing #83[Giovanni]
    • Prevent multiple Reaper threads from working on the same replicas #6512 [Hugo]
    • Generate "Configuration parameters" documentation page automatically, to avoid mismatches between documentation and code #325 [Maggie]
      • Needs a decision for way forward
    • Change mixed prometheus_client and probe_metric approach to use PrometheusPusher #129 [Maggie]
    • Possible Belle II specific code in DIRAC functionality #7824[Max]
    • Remove hard-coded one-day lifetime in DIRAC API #8172[Max]
    • [ EPIC ] : Mutation Operations and Role Based Access to pages/features (Target 5) #622 [Mayank]
  • In Progress
    • Consider using Python venvs in containers to avoid conflicts with system-installed packages #458 [Ben]
      • Question of who reviews this (Docker & Kubernetes: Riccardo, Mario, Eric, Hugo)
    • Token refresh after expiration #73 [Giovanni]
    • Do not use regex to split did, use scope extraction method #7519 [James]
    • Test stability on LTS branches #7964 child of #7667 [Karan]
    • Copy implimentation of CLI to new CLI structure #8295 [Maggie]
    • Simplify what we run on CI (test suites, OS, Python versions, DB, …) #7965 child of #7667 [Mayank, Karan]
    • [EPIC] UX improvements (Target 17/22) #621 [Mayank]
  • In Review
    • Add startup self-check mechanism to block Rucio services when critical diagnostics fail #8197 child of #8011 [Dimitris]
    • Ensure PostgreSQL ENUM types created during Alembic migrations honor the configured schema #8145 child of #7737[Dimitris]
      • Should we remove migrations of unsupported versions?
        • --> Make issue, collect some comments
    • Wrong documentation for dids/scope/name/files call #8053[Dimitris]
    • Testing: Make tools/run_tests.sh idempotent #7737 child of #7667 [Dimitris]
    • No way to check or change ownership of a scope using Rucio client #7830 [Maggie]
  • Done
    • Migrate from Jobber to simple Cron #152 [Eric]
    • Listing containers with more than 10k entries breaks the kernel #102 [Giovanni]
    • Rucio silently skips importing configured policy package in case of errors #7962 [Max, James]
  • Delayed
    • More useful client docstrings and CLI help messages (Target: 15/25) #363 [Dimitris]
    • Stop auto-forwarding of old-style CLI commands #8294[Maggie]
• Other discussion
  
  • Obsolete replica #7803
    • Is not forgotten! 

15:55 → 16:00 AOB