CTA Dev Meeting

513/R-068 (CERN)



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Michael Davis (CERN)
  • CTA Dev
CTA Dev Meeting
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Volodymyr Yurchenko
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    • 3:00 PM 3:10 PM
      CTA Release Roadmap 10m

      Release 4.10.8-1 / 5.10.8-1

      • Release date: 15 Nov
      • Pre-prod deployment date: 20 Nov
      • Prod deployment date: 22 Nov

      Release /

      • Release date: Next week
      • Pre-prod deployment date: Next week
      • Prod deployment date: ---
      • For testing new versioning <xrootd>.<major>.<minor>.<patch>-<package>
      • For testing "partial repack" and EOS 5.2.3 in preproduction
      • For developing ops tools for "partial repack" and "eos evict" commands

      Public Release

      • Latest version available on public repo: v4.10.0-2, v5.10.0-2.

      Next public release aiming for Jan 2024:

      • With future EOS 5.2.3 (with CTA-EOS fixes)
      • With latest commits from main

      To be announced

      • EOS4: no more development/features.
      • EOS4: will only be supported until CentOS7 EOL date (June 30, 2024).
      • Alma9 release: will be EOS5/CTA5 only.
      • Version 4/5.10.9-1 will be public.
      • Released before end of January 2024.


      • Production deployment of XRootD-5 will happen before deployment of service in Alma9.
      • CTA components in both CentOS-7 and Alma9 should work well together, as long as they are using the same CTA version and if both are compatible with the Cept backend version.
    • 3:10 PM 3:20 PM
      CTA dev topics 10m

      Re-work CTA log line format

      IssueHave additonal filters on 'cta-admin recycletf ls'

      Compile and Running CTA in Alma9 Linux

      Add CTA regression test with and/or to EOS

      Tracking completed issues (Demo)

      • We could use iterations in gitlab to track the progress of tickets.
      • This is an example: EOY 2023 targets

      "Needs discussion" topics

      "Dev issue needed" topics

      Re-work CTA log line format

      • Scarlet will be delivering this before end of 2023, before holiday season.

      Compile and Running CTA in Alma9 Linux

      • Julien will check with Marc and explore using iSCSI (on a separate VM/host) for MHVTL.

      Add CTA regression test with and/or to EOS

      • Julien will create tucket with a clear proposal for discussion with the EOS team. It should contain only the CTA frontend, to keep it simple, and not depend on MHVTL.

      CI monitoring

      • New monitoring of CI jobs in graphana. Can be extended on a need-to basis by any element of the team.
    • 3:20 PM 3:30 PM
      dCache Integration 10m
    • 3:40 PM 3:50 PM
      AOB 10m

      Last dev meeting on Wednesday 13 December, at 15h. Same room as usual.

    • 3:50 PM 4:00 PM
      CTA dev board review 10m


      • Look at the active issues in our CTA dev board.
      • Decide if they should be kept, removed, reassigned, prioritised, etc.