Rucio Meeting

Thursday 20 Jun 2024, 15:00 → 16:00 Europe/Zurich

Mario Lassnig (CERN)

15:00 → 15:05 News

• Release schedule
  • Nothing to be reported without Martin :-)

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

• ATLAS
  • Nothing to report.
• CMS
  • Some issues with probes in legacy query mode. Alma9 migration, but still running probes on old cluster: Fixed. 
• Fermilab / RUBIN & Co
  • Quiet operations, ongoing development as usual.
• DUNE
  • Some problems with deletion
    • Exceptions in Reaper and Necromancer
    • Deletion not proceeding
    • Inconsistency: Listing of datasets --long (to see associated files) reported as zero files, but checking file replicas you can see the files.
    • Annoyance: Would be great to get rid of zero dataset replicas without files and without rules. Will make ticket.
    • Taking data for ProtoDune now, so that's why there's a cleaning campaign.
  • Token timeline would be great to know.
• DaFab
  • First discussions on metadata R&D
• ESCAPE & Co
  • Nothing to report.
• CERN IT
  • Working on COMPASS cluster and will get in touch with developers.
• ALTO
  • Working on source selection, and checking performance issues.
• RAL / STFC
  • Nothing to report

15:25 → 15:55 Developers roundtable

• Updates
  • Draft for policy package [Mayank]
  • Archive workflow: Starting to look into it [Riccardo]
  • SQLAlchemy migration ongoing [Erling]
  • Going over details for demo to production / Kubernetes creation documentation [Giovanni]
• Documentation
  • NTR

15:55 → 16:00 AOB

• New Kube deployment for UI [Mayank]
  
  • Needs additional CRLs outside of CERN bundle for Apache config
  • fetch-crl needed
• Rucio Jupyter extension currently being used in Intertwin project
  
  • Fully working with Jupyterlab V4
  • Works with VEGA