Rucio Development Meeting

Thursday 1 Nov 2018, 15:00 → 16:30 Europe/Zurich

3196/R-023 (CERN)

Martin Barisits (CERN)

1 News

• CHEP deadline moved back to December 3
• Comments from EB expected this week on Rucio journal paper

2 News from the experiments

• CMS
• ATLAS
• SKA
  • Database test migration (MySQL -> PSQL) finished
  • Currently setting up new VMs based on Docker
  • Full migration Tuesday next week
• DUNE
  • EPCC can contribute 1 FTE for Objectstores, monitoring, metadata
  • Tests with delete from EOSPUBLIC(@cern)
    • Reaper doing "nothing" sometimes
  • Better documentation wanted!

3 Hot topics

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4 Developers roundtable

• Thomas
  • Reaper not doing anything when there's more than 1 RSE in a thread
  • Problem with sort RSE method, filter on rse_usage (srm , gsiftp)
  • Works if every RSE gets its own thread
• Tobi
  • Phd work
• Dimitrios
  • Consisteny check merged
• Hannes
  • Lots and lots of patches
• Gancho
  • Sanity checks on the database
  • Can lead to some cleanup, followup with Martin
• David
  • Reaper scalability --> coding camp

5 AOB

• ATTRACT proposals submitted, decision February 2019

  • TRACE: Transparent commercial clouds for scientific experiments

    • CERN (Lead), U.Wuppertal, Exoscale (+ non-formal partners 1&1, Google)

  • CODEX: Common data management system for exascale experiments

    • U.Manchester (Lead), UKRI/RAL, CERN

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