Rucio Meeting

Thursday 23 May 2024, 15:00 → 16:00 Europe/Zurich

Martin Barisits (CERN)

15:00 → 15:05 News

• 7th Rucio Community Workshop
  • Registration is now open
  • Call for presentations; deadline on 3rd September 2024.
• Update fts-cron container
  • https://twiki.cern.ch/twiki/bin/view/LCG/VOMSLSCfileConfiguration
  • May-7 change of packages

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

• ATLAS
• CMS
  • attach large number of dids to container
    • Error is not helpful
      • Might be an ingress issue as well
    • Followed up in #6776
• Fermilab DUNE / RUBIN / ...
  • Same issue as above observed as well
  • Issue with large rules / dids
    • Parts of the code fetch all the rows and pods run out of memory
    • list_file_replicas on dataset with 80k files
      • gets out of memory crashes
    • --> #issue 
• PIC
• CERN IT
  • COMPASS instance being prepared
• RAL / STFC
• ALTO
  • Working on transfer source selection strategy
  • Working on Rucio testbed for test workloads
• SKA

15:25 → 15:55 Developers roundtable

Progress-2024-05-23.png

• Rucio 35 "Donkey and the Data Factory" roadmap
  • In Progress
    • Review operations where SSL verification is disabled #6632 [Dimitrios]
    • Finalize SQLAlchemy 1.0 -> 2.0 syntax migration #6640 [Erling]
    • Make a table for all daemon and its functionality #296 [Hugo]
    • overwrite_when_only_on_disk #6581 [Hugo]
      • Waiting on fts deployment to support this feature
    • Prepare replacement of current policy import with policy packages #4798 [James]
    • Re-write and standardization of client command structure #6639 [Maggie]
      • Working on testing, but otherwise basically done
      • Draft PR is out, please send comments!
    • Webui 35 tracker 9/37 [Mayank]
    • Type annotate the code #6588 [Riccardo]
    • Retire RSE limits #6629 [Erling, Dimitrios]
    • Create and populate common monitoring repository #6641 [Tim]
      • Collecting opinions!
      • https://github.com/Thysk/Rucio-Monitoring
  • In Review
    
    • JupyterLab version (v3 to v4) update #27 [Francesc, Enrique]
      • jsonschema ongoing issue
        • Has been upgraded in 33
      • Other problem in the VRE environment
        • reana related

• • Todo
    • Unable to Delete File DID via Undertaker #5154 [Alex]
    • factorize duplicate messaging code into a common module or class #6423 [Alex]
    • SUBSCRIPTIONS_HISTORY integrity error #6292 [Cedric]
    • Make new token support Multi-VO compatible #6406 [Dimitrios]
    • Use OpenID Connect Discovery #6414 [Dimitrios]
    • Allow for token providers other than IAM #6630 [Dimitrios]
    • Make WebDAV protocols on par with GFAL #6633 [Dimitrios]
    • bridge the gap between running rucio in demo env and full production deployment #187 [Enrique, Hugo]
    • Prevent multiple Reaper threads from working on the same replicas #6512 [Hugo]
    • Evaluate all TODO and FIXME comments #6642 [Martin]
    • Evaluate archive workflows for rules (Using an archive as a source) #6643 [Riccardo]
  • Done
    • Rename internal API layer to gateway #6644 [Erling] 
    • Formatting / style guide #287 [Riccardo, Dimitrios, Maggie]
    • Collect functional RSE attributes into a single file #6624 [Dimitrios, Mira]
    • Remove all instances of mutable objects (e.g. empty lists or dictionaries) as default parameter values #5169 [Erling]
    • Improving docstrings #6628 [Riccardo]
  • Delayed
    • Testing: Client Only tests #6599 [Mayank, Maggie]
• Documentation corner
  • Documentation and dev guidelines for Mypy type annotations #116 [Mayank, Martin]
  • Document environmental variables affecting the client #171 [Dimitrios]
  • Improve documentation on rucio.cfg vs configuration table #183 [Maggie]
    • Still pending review
  • Add an FAQ-style entry aimed at users for STUCK rules #184 [Fabio]
  • Add instruction about DB partitioning #185 [Martin]
  • bridge the gap between running rucio in demo env and full production deployment #187 [Enrique, Hugo]
  • Introduce documentation on subscriptions #190 [Cedric]
  • Formatting / style guide #287 [Riccardo, Dimitrios, Maggie]
  • Document how deletion occurs. #288 [Anil]
  • Documentation for RSE settings #293 [???]
  • Make a table for all daemon and its functionality #296 [Hugo]
  • Upgrade docusaurus # [Maggie]
    • Rather simple, should be done soon
• Other topics
  • #6727 metadata archival
  • Jupyterlab extension
    • New feature to search on metadata 

15:55 → 16:00 AOB