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CernVM Users Workshop

→ Europe/London
Catalin Condurache (STFC - Rutherford Appleton Lab. (GB)), Gerardo Ganis (CERN), Jakob Blomer (CERN)
Description

CernVM logo        

     STFC RAL

The CernVM Users Workshop will take place this year in the United Kingdom, hosted by Rutherford Appleton Laboratory in Oxfordshire with help from the STFC Scientific Computing Department and GridPP UK project.

Following the successful edition held at CERN in March 2015, the workshop aims to bring together users and developers to discuss the current status of the CernVM ecosystem and the future directions. Particular focus will be given to the integration with the containers world and how this can improve the experience with the cloud paradigm shift now occurring in HEP computing centers.

As a novelty, the third day of the workshop will be entirely dedicated to 'hands-on' sessions. Whilst the agenda is yet to be decided, there will be opportunities for demos and tutorials, also for users to come forward with topics for discussion.

A video-conference service will be provided to help remote attendance.

For questions or comments, please contact us at cernvm-workshop-2016@cern.ch.

Group photo

  • Monday, 6 June
    • 09:00 → 09:30
      Registration, Logistics CR12/13

      CR12/13
      USE THIS CR12 STFC safety version.pdf
      USE THIS CR12 STFC safety version.ppt
    • 09:30 → 11:00
      Status and Roadmap of the CernVM Ecosystem CR12/13

      CR12/13
      Conveners: Catalin Condurache (STFC - Rutherford Appleton Lab. (GB)), Gerardo Ganis (CERN), Jakob Blomer (CERN)
    • 11:00 → 11:30
      Coffee, Tea 30m CR12/13

      CR12/13
    • 12:30 → 14:00
      Lunch break 1h 30m Restaurant

      Restaurant
    • 14:00 → 14:20
      Feedback and Experience from Infrastrucutre Providers I CR12/13

      CR12/13
      Conveners: Catalin Condurache (STFC - Rutherford Appleton Lab. (GB)), Gerardo Ganis (CERN), Jakob Blomer (CERN)
      • 14:00
        CernVM-FS at ASGC 20m
        Speaker: Wei-Jen Chang (Academia Sinica (TW))
        ASGC-cvmfs.pdf
        Video
    • 14:20 → 16:00
      Feedback and Experience from Experiments CR12/13

      CR12/13
      Conveners: Catalin Condurache (STFC - Rutherford Appleton Lab. (GB)), Gerardo Ganis (CERN), Jakob Blomer (CERN)
    • 16:00 → 16:20
      Coffee, Tea 20m CR12/13

      CR12/13
    • 16:20 → 17:15
      Feedback and Experience from Infrastructure Providers II
      Conveners: Catalin Condurache (STFC - Rutherford Appleton Lab. (GB)), Gerardo Ganis (CERN), Jakob Blomer (CERN)
      • 16:20
        CernVM-FS Operations in the CERN IT Storage Group 20m

        This talk will present the status and plans of the CERN IT's CVMFS Operations Service, recently reassigned to our IT Storage Group. The first part of the talk will outline the architecture of the stratum zero, CERN stratum one, local squids; the notable feature of our service is that during 2015 is has been (almost) entirely moved to CERN's OpenStack infrastructure, making extensive use of Ceph and ZFS which has proven to be quite flexible while also offering a disaster recovery solution.

        The second part of the talk will look to the future. CERN IT's recent change of strategy with respect to OpenAFS will put increased demands on CVMFS. We'll outline some of these new use-cases which are forthcoming for CVMFS, then present alternatives for the future scale-up and out of the system.

        Speaker: Dan van der Ster (CERN)
        Video
        workshop.pdf
        workshop.pdf
        workshop.pptx
      • 16:40
        EGI CernVM-FS Infrastructure / RAL Operations 20m
        Speakers: Catalin Condurache (STFC - Rutherford Appleton Lab. (GB)), John Kelly (STFC - Rutherford Appleton Lab. (GB))
        CVMFS_clients(1).pdf
        Feedback_from_EGI_2016.pdf
        Video - CVMFS clients
        Video - Feedback from EGI
      • 17:00
        softdrive.nl - CVMFS for the Rest of Us 15m

        NIKHEF use case

        Speaker: Dennis Van Dok (FOM Foundation for Fundamental Research on Matter (NL))
        Dennis-van-Dok-CVMFS-for-the-rest-of-us.pdf
        Video
    • 17:15 → 18:00
      Technology Outlook I
      Conveners: Catalin Condurache (STFC - Rutherford Appleton Lab. (GB)), Gerardo Ganis (CERN), Jakob Blomer (CERN)
      • 17:15
        Introduction to Mesos and the Datacenter Operating System (DC/OS) 45m

        Existing research has shown the benefits of running multi-level schedulers, either for single node parallel computation or multi-node distributed computation. Apache Mesos is a 2-level distributed scheduling system that has been used in organizations such as Twitter, PayPal, and Apple.

        In this talk we'll describe the 2-level Mesos architecture in detail. We'll also discuss Mesos features that have been added over the years (or are being added today) driven by practical needs, from weights, to reservations, to quotas, to optimistic allocations, and deallocation. In the second part we will focus on some of the operational characteristics of Mesos, as well as present the open-source Datacenter Operating System that leverages Mesos while providing capabilities such as service discovery, load balancing, privacy and ease of installation.

        About the Speaker
        Artem Harutyunyan is a Director of Engineering at Mesosphere where he works on Apache Mesos project. Prior to joining Mesosphere he spent several years at Qualys where he led the design and development of a distributed system for storing and analyzing large volumes of data. Prior to Qualys, Artem worked at CERN, first as student in ALICE Offline, and later as a fellow in CernVM group.

        Speaker: Dr Artem Harutyunyan (Mesosphere)
        Introduction_to_Mesos_and_DCOS.pdf
        Video
    • 19:00 → 21:30
      Workshop Dinner 2h 30m Cosener's House (Abingdon)

      Cosener's House

      Abingdon
  • Tuesday, 7 June
    • 09:00 → 10:30
      Technology Outlook II Lecture Theatre

      Lecture Theatre
      Conveners: Catalin Condurache (STFC - Rutherford Appleton Lab. (GB)), Gerardo Ganis (CERN), Jakob Blomer (CERN)
      • 09:00
        Virtualizing High Performance Computing Workloads 45m

        A short presentation on how and why HPC users are moving beyond public cloud for HPC workloads, including a discussion of achievable performance for both throughput and (briefly) MPI applications. We will also touch on compute accelerators, file system access, and containers, and provide some performance tuning tips for virtualizing HPC applications with high performance.

        About the Speaker
        With over 20 years of experience in High Performance and Technical Computing, Josh currently leads an effort at VMware to bring the value of virtualization to Research, Engineering, and Science environments. Previously, he was a Distinguished Engineer at Sun Microsystems with broad responsibilities for HPC direction and strategy. He joined Sun in 1996 from Thinking Machines Corporation, a pioneering company in the area of Massively Parallel Processors (MPPs), where he held a variety of technical positions. Josh has worked on developer tools for distributed parallel computing, including language and compiler design, scalable parallel debugger design and development, and MPI. He has also worked in the areas of 3D graphics, image processing, and real-time device control. Josh has an undergraduate degree in Engineering from Harvard College and a Masters in Computer Science from Harvard University. He has served as a member of the Board of Directors of OpenMP since 2002.

        Speaker: Josh Simons (VMware)
        cernvm-workshop-simons-june2016.pdf
        Video
      • 09:45
        Performance Overhead of ARM Virtualization 45m
        Speaker: Stadtler Martin (Linaro)
        arm-virt-perf.pdf
        CERNVM Q2 2016.pdf
        Video
    • 10:30 → 11:00
      Coffee, Tea 30m Lecture Theatre

      Lecture Theatre
    • 11:00 → 12:30
      Technology Outlook III Lecture Theatre

      Lecture Theatre
      Conveners: Catalin Condurache (STFC - Rutherford Appleton Lab. (GB)), Gerardo Ganis (CERN), Jakob Blomer (CERN)
      • 11:00
        IBM Technical Computing 45m
        Speaker: Oliver Oberst (IBM)
        IBMTechologyOutlook_v1.pdf
        Video
      • 11:45
        CernVM-FS for Docker image distribution in Cloud Foundry 45m

        Cloud foundry is a PaaS that facilitates deployment and scale of web applications. It aims at providing a good user experience while ensuring that deployed application follow the best practices. Additionally, It provides a full set of features that enable debugging and monitoring of production systems. However, Docker is disrupting more traditional PaaS by making containers a prominent term in the cloud terminology. George, who works for Pivotal implementing Cloud Foundry's container runtime, will introduce Docker and Cloud Foundry, and discuss their differences. He will present the Docker image support in Cloud Foundry and eventually, how CernVM-FS could fit in the area of Docker image distribution.

        Speaker: George Lestaris (Pivotal)
        cvmfs-docker-lite.pdf
        Video
    • 12:30 → 14:00
      Lunch break 1h 30m Restaurant

      Restaurant
    • 15:35 → 16:00
      Coffee, tea 25m Lecture Theatre

      Lecture Theatre
    • 16:00 → 17:30
      Discussion and Plan of Work Lecture Theatre

      Lecture Theatre
      Conveners: Catalin Condurache (STFC - Rutherford Appleton Lab. (GB)), Gerardo Ganis (CERN), Jakob Blomer (CERN)
  • Wednesday, 8 June
    • 09:00 → 12:30
      Hands-on session Atlas Visualisation Facility

      Atlas Visualisation Facility
      • 09:00
        Setting up and Scaling up CernVM-FS Repositories 3h
    • 12:30 → 13:30
      Lunch break 1h Restaurant

      Restaurant
    • 13:30 → 16:00
      Hands-on session Atlas Visualisation Facility

      Atlas Visualisation Facility
      • 13:30
        CernVM in the Cloud 2h
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