XRootD Collaboration Meeting

Thursday 9 Jul 2026, 16:00 → 18:00 Europe/Zurich

31/3-004 - IT Amphitheatre (CERN)

Andrew Bohdan Hanushevsky (SLAC National Accelerator Laboratory (US)), Guilherme Amadio (CERN)

16:00 → 16:30 XRootD News and Plans

16:00 Project status and short-term plans

• What's in XRootD 6.1
  • OpenSSL 4.0 support
  • New: XrdOssMirage plugin to emulate files
• Plans for XRootD 6.2 (Sep 2026), and XRootD 6.3 (Dec 2026)
• XRootD and OpenSSF best development practices
  • https://xrootd.org/2026/05/24/announcement_openssf.html

16:15 Review of action items from WLCG OTF#9 meeting

• Debrief of WLCG OTF#9, review action items from live notes of the event
  • Clarify what each item entails, who is responsible for the work

16:30 → 17:40 Discussion

16:30 XRootD Testing and Continuous Integration

• Evolution of XRootD Testing
  • Well categorized tests (unit, integration, end-to-end)
  • Follow best practices to prevent regressions
• BATS framework for end-to-end testing
• GMock for creating mock classes for testing purposes

Speaker: Diogo Mattioli (CERN)

xrootd colaboration testing.pdf

16:45 Artificial Intelligence, Coding Assistants, and AI-based contributions in XRootD

• Adoption of Assisted-by tag in AI-based code
  • Based on https://docs.kernel.org/process/coding-assistants.html
• Evolution of testing infrastructure and code review model to accomodate AI
• Requirements for AI-based contributions in XRootD
  • See also Software Freedom Conservacy's recommendations when using coding assistants for FOSS Contributions

17:00 General Discussion

• Stakeholder requests, requirements, feedback
• XRootD client evolution
  • New command line tool (gfal2 replacement)
  • Support for tape REST API in XRootD client
  • Python bindings evolution

17:30 → 18:00 A.O.B