Rucio Development Meeting

Thursday 23 Jul 2020, 15:00 → 16:00 Europe/Zurich

Martin Barisits (CERN)

Zoom: https://cern.zoom.us/j/413496641

Meeting ID: 413 496 641
Find your local number: https://cern.zoom.us/u/aT2QQfXAo

15:00 → 15:10 News

• New code management model
  • Working well
  • Python 3.6 tests
  • Questions
• Release schedule
  • 1.23.1 just released
  • 1.20.10
  • 1.23.2 on Aug 3
• Component lead discussion last week
  • Please check slides
  • We will re-visit this topic after the vacation period
•  

15:10 → 15:20 News from the experiments

• ATLAS
  • FTS issue discovered
  • Ticket number: FTS-1660
  • Also additional measures to validate values and not block other workflows
• CMS
• Belle II
  • DDM Accounting (Similar to the ATLAS one)
    • Works with influxdb, might later on move to ES
  • STAGING tests
    • FTS does not release pin
      • Should be released once the file is successfully moved
      • Under Investigation
  • Deleted_dids table not populated
    • Done with a PL-SQL trigger (oracle) to move dids -> deleted_dids row
  • Uniqueness of dids (including deleted_dids) 
    • Also done with a trigger
  • Need to review trigger and provide non-oracle functionality
• RAL/UK
• LDMX
• Fermilab
• DUNE/Edinburgh
  • Multi-VO policy packages development

15:20 → 15:30 Hot topics

15:30 → 15:55 Developers roundtable

• No feature plan yet
• Q&A code management model
  • Cedric very happy
  • Python 3.6 tests
    • Syntax tests done
    • Client tests some issues (sqlite related)
    • Then the other databases
  • Local run of the same test framework
    • E.g. run with podman
• Kubernetes
  • Working on monitoring (CERN alarm system)
    • Forward alarms from prometheus to central service
  • New probes
    • Check that nodes/pods are still running
  • ATLAS Cluster
    • Number of replicas for prometheus increased (same data, different backends)
    • Several dashboards
      • Some data coming from external probes via prometheus push gateway
  • ATLAS docker client container

15:55 → 16:00 AOB