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    BiLD-Dev

    → Europe/Zurich
    Federico Stagni (CERN)
    Description

    Bi-Weekly "Loyal" DIRAC developers meeting. And, following, the LHCbDIRAC developers meeting.

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    Meeting ID: 910 8369 4183
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    working notes
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    BiLD (Bi-weekly DIRAC Development meeting) – 22/07/2021

    At CERN: Chistophe
    On Zoom: Federico, Alexandre, André, Andrei, Andrii, Daniela, Imane, Igor, Janusz, Simon
    Apologies:

    Follow-up from previous meetings

    DIRAC communities roundtable

    GridPP:

     Daniela

    • No changes to production server
    • Dev: testing on top of v7r2p15
      • HTCondor MP: looks OK, but not conclusive tests.
    • If you want us to test different types of clouds, please let us know and we’ll try.

    ILC/CLIC/FCC:

     André

    • Working on upgrading to v7r2

    LHCb:

     Federico+Christophe+Alexandre

    • NTR

    EGI:

     Andrei

    • Moving to v7r2 (2 servers already moved – for ES)
    • Using Pilot3
    • Using GPU equipped nodes through SSHBatch CE
      • A PR for fixing is ready (already hotfixed)
      • Not using yet any specific JDL requirement
      • The jobs definition isn’t anyway fully ready for GPU reqs

    JINR:

     Igor

    • Some issues while running on Clouds
      • hypothesys of too many proxy delegations, not confirmed
    • Developed extension of JobLaunchpad for the needs of a single VO

    DIRAC releases

    • v7r2p16:
      • NEW: (#5268) add currentStatus parameter to TransformationClient.setTransformationParameter
    • v7r3-preX:
      • Nothing major

    DIRAC projects

    DIRAC:

    Issues by milestone:

    Other issues:

    PRs discussed:

    WebApp:

    Pilot:

    DIRACOS:

    • xroot5?
      • NTR
    • condor 9?
      • NTR

    DIRACOS2:

    • from previous meetingfts-rest on py3?
      • NTR
    • from previous meeting  Andrii jwt + other token stuff need to be added here
      • NTR
    • New release 2.8
    • CI was not doing what was expected, fixed
    •  Andrei Installer also available from CVMFS, we should check the code for that (this is done with a simple cron)
    •  Andrei Made a py3 CVMFS client installation (in EGI CVMFS)

    VMDIRAC:

    • discussed above

    Documentation:

    •  André Some issue in v7r1 for rucio not being there

    OAuth2:

    tornado/HTTPs

    • Running tornado HTTPS services on py3: (PR)
    • Added 3 WMS HTTPs services in PR for v7r3 (depends from the above)

    management

    diraccfg

    • NTR

    COMDIRAC

    • NTR

    DB12

    • report from  Imane (presentation on the agenda)
      • 2 parts: development + analysis
        • Development:
          • DB12 ported to py2+3, added unit and integration tests
          • published on pypi
          • should be used in DIRAC
          • no changes in the logic
        • Analysis (to do):
          • collect large amount data and verify if something should be changed.
          • Adapt to MultiCore
    •  Igor We ran an analysis of the jobs submitted by a single user, collecting data from JobDB and JobParameters. It looks like AMD processors are underestimated by DB12
      • Will share the DB query

    other externals, including Rucio

    Release planning, tests and certification

    • Certification machines

      • lbcertifdirac70 machine:
        • py2 installation, for now
      • lbcertifdiracoath machine:
        •  Andrii seems to be ready. One issue on how to organize Registry.
        • cient for IAM (approved by Andrea), VO WLCG (not a admin yet) and one client for Check-IN.

    • Next hackathon(s)

      •  Federico Supposing we merge the following PRs, I suggest to do one more (last) on py2 server:
        • VMDIRAC
        • #5035 (Script -> DIRACScript)
        • the 2 HTTPs PRs

    AOB and topics from Google forum

    Next hackathon on July 29th:
    Next BiLD on August 05th:

    LHCbDIRAC

    • https://trello.com/b/BQvEbteg/deploy-v10r2
      • No changes in the last 2 weeks
    • from previous meeting python3 client on CVMFS
      • Ganga and PID-calib using it
      •  Christophe keep bumping in division errors
      • after release we can make it the default, also for the pilot
    • from previous meetingSandboxStore: installed in prod
      • xx% migrated - rsync-ing
      • disabled the cleaning
    • we should start LHCbDIRAC hackathon based on v7r3/py2 and later py3
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