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CernVM Workshop 2024

16–18 Sept 2024
CERN
Europe/Zurich timezone

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Contribution List

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  1. 30. CernVM-FS Hacking Session
    Jakob Blomer (CERN), Laura Promberger (CERN), Valentin Volkl (CERN)
    16/09/2024, 10:00

    On-site session for discussions and coding. The core team will be present and participants are welcome to join us at the venue.

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  2. 2. Welcome and Practicalities
    Valentin Volkl (CERN)
    16/09/2024, 14:00
  3. 3. Workshop Introduction
    Gerardo Ganis (CERN), Predrag Buncic (CERN)
    16/09/2024, 14:15
  4. 5. CernVM-FS at 15: technological retrospective
    Jakob Blomer (CERN)
    16/09/2024, 14:30
  5. 45. CernVM-FS: Status and Plans
    Valentin Volkl (CERN)
    16/09/2024, 15:00
  6. 4. Zstd: A new compression algorithm for CVMFS
    Laura Promberger (CERN)
    16/09/2024, 16:00
  7. 12. New overlayfs features in cvmfs_server; Fuse-t on MacOS
    Yurii Bielikov (Taras Shevchenko National University of Kyiv (UA))
    16/09/2024, 16:20
  8. 44. Efficient and fast container execution using image snapshotters
    Max Fatouros (Paul Scherrer Institute (CH))
    16/09/2024, 16:40

    A large fraction of computing workloads in high-energy and nuclear physics is executed using software containers. For physics analysis use, such container images often have sizes of several gigabytes. Executing a large number of such jobs in parallel on different compute nodes efficiently, demands the availability and use of caching mechanisms and image loading techniques to prevent network...

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  9. 43. Optimizing CERN SFT Nightlies Publication through Parallelized CVMFS Gateway Installation
    Mr Tim Ehmann (CERN EP-SFT)
    16/09/2024, 17:00

    The EP-SFT Stacks team provides LCG software stack nightly builds for 50 different combinations of STACK and PLATFORM.
    Historically, the publication of nightlies on CVMFS utilized a single machine, resulting in extended processing times that lasted until the end of the working day. To speed up the publication, and enable the distribution of a larger set of platforms every day, the LCG stack...

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  10. 48. Containerizing CVMFS publishing
    Amal Santosh Thundiyil (CERN)
    16/09/2024, 17:20
  11. 6. New Developments in LibFUSE
    Bernd Schubert
    17/09/2024, 09:00
  12. 46. FUSE Kernel Developments: Passthrough mode
    Miklos Szeredi
    17/09/2024, 09:40
  13. 20. Use of FUSE in EOS
    Elvin Alin Sindrilaru (CERN)
    17/09/2024, 10:30
  14. 7. Jump Trading and Varnish
    Matt Harvey (Jump Trading), Stephane Cance, Mr Walid Boudebouda
    17/09/2024, 10:55
  15. 39. CernVM-FS makes software EESSI to use
    Thomas Röblitz
    17/09/2024, 14:00

    /cvmfs/software.eessi.io is the production CernVM-FS repository of the European Environment for Scientific Software Installations (EESSI, pronounced as "easy", see [eessi.io/docs][1]). After several pilot iterations, EESSI has released its first production software stack in the fall of 2023. The growing software stack already includes hundreds of software installations optimised for a...

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  16. 16. LHCb installations on CVMFS
    Ben Couturier (CERN)
    17/09/2024, 14:20
  17. 29. CVMFS Stratum 1 Performance Benchmarks
    Dave Dykstra (Fermi National Accelerator Lab. (US))
    17/09/2024, 14:55
  18. 23. Pelican and the Open Science Data Federation
    Brian Paul Bockelman (University of Wisconsin Madison (US))
    17/09/2024, 15:15
  19. 27. CVMFS in EUCLID
    Pierre Casenove (CNES)
    17/09/2024, 15:35
  20. 9. ATLAS Installations on CVMFS
    John Steven De Stefano Jr (Brookhaven National Laboratory (US))
    17/09/2024, 16:25
  21. 42. New CernVM-FS use cases at CMS
    Andrea Valenzuela Ramirez (CERN)
    17/09/2024, 16:45

    CernVM-FS remains a central service for the distribution of the CMS Offline Software (CMSSW). Traditional use cases include the distribution of CMSSW releases and container images. It also plays a crucial role in the deployment of Integration Builds (IB) and pull request testing as part of the CMSSW CI/CD workflow.

    In this contribution, we present three new use cases of CernVM-FS for CMS....

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  22. 47. ALICE installations on CVMFS
    Giulio Eulisse (CERN)
    17/09/2024, 17:05
  23. 40. CVMFS@GSI
    Soren Lars Gerald Fleischer (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE))
    17/09/2024, 17:25

    GSI is and has been operating a cvmfs instance for many years.
    It is used primarily to make prerequisites for physics simulations and analysis of GSI and future FAIR experiments available on our compute cluster.
    These include items such as precompiled executables, Spack packages, as well as Apptainer images.
    The current cvmfs setup at GSI will be outlined in this talk.

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  24. 18. CVMFS-CSI: CVMFS in Kubernetes Deployments at CERN-IT
    Jack Charlie Munday
    17/09/2024, 17:40
  25. 32. Varnish Hands-On
    Mr Walid Boudebouda
    18/09/2024, 09:30
  26. 34. Discussion session / Hands-On
    18/09/2024, 11:20
  27. 35. Workshop Closing
    Valentin Volkl (CERN)
    18/09/2024, 12:00
  28. 10. CMS deployments on CernVM-FS
    Andrea Valenzuela Ramirez (CERN)
  29. 13. CVMFS + Kubernetes
    Amal Santosh Thundiyil (Sardar Patel Institute Technology of Technology (SPIT) (IN))
  30. 14. Cvmfs at GSI
    Soren Lars Gerald Fleischer (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE))
  31. 11. CVMFS Container Snapshotter Benchmarking
    Max Fatouros (Paul Scherrer Institute (CH))
  32. 49. Parallel Publishing for sft.cern.ch
    Tim Nicolai Ehmann (University of Applied Sciences (DE))
  33. 15. The European Environment for Scientific Software Installations (EESSI)
    Thomas Röblitz

    The European Environment for Scientific Software Installations (EESSI, pronounced as "easy") is a collaboration between different HPC sites and industry partners, with the common goal to set up a shared repository of scientific software installations that can be used on a variety of systems, regardless of which flavor/version of Linux distribution or processor architecture is used, or whether...

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