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US ATLAS Computing Facilities Face-to-Face at SLAC

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Build 48, Redwood Room A/B/C/D (SLAC)

Build 48, Redwood Room A/B/C/D

SLAC

2575 Sand Hill Road, Menlo Park, CA 94025
Robert William Gardner Jr (University of Chicago (US)), Shawn Mc Kee (University of Michigan (US))
Description

We are restarting our face to face meetings for US ATLAS Computing Facilities and Distributed Computing (WBS 2.3).  This will be a great opportunity to renew our collaboration, address current challenges, find new opportunities to share expertise - all while supporting the LHC Run3 physics program for ATLAS physicists while exploring facility R&D activities for HL-LHC.  

And online:

 

Local Organization
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WBS 2.3 Face to Face Meeting Registration
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Participants
30 View full list
US ATLAS Computing Facilities Face-to-Face at SLAC
Zoom Meeting ID
67883039600
Host
Shawn Mc Kee
Useful links
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Zoom URL
  • Wednesday 30 November
  • Thursday 1 December
    • 08:00 → 08:30
      Broad Themes and Challenges for ATLAS S&C 30m
      Speakers: Alessandro Di Girolamo (CERN), Zach Marshall (Lawrence Berkeley National Lab. (US))
      20221201 ATLAS S&C in the HL-LHC world.pdf
    • 08:30 → 10:00
      Lightning Talks: Lightning Talks 1

      We will have various lightning talks allowing everyone to describe their work and plans.

      Conveners: Ofer Rind (Brookhaven National Laboratory), Wei Yang (SLAC National Accelerator Laboratory (US))
      • 08:30
        Data Placement Activity in ADC 15m

        Hiro will cover Data Placement Activity in ADC in terms of site storage usage efficiency and implications for our facilities.

        Speaker: Hironori Ito (Brookhaven National Laboratory (US))
        Data Placement Activity in ADC.pdf
      • 08:45
        Virtual Placement: A Cost/Benefit Analysis 15m
        Speaker: Ilija Vukotic (University of Chicago (US))
        Virtual Placement, cost/benefit estimate
      • 09:00
        Data Challenge Testing 15m

        Hiro will describe the tools and plans to test USATLAS sites in preparation for DC24.

        Speaker: Hironori Ito (Brookhaven National Laboratory (US))
        Data Challenge Testing for USATLAS sites 2022 Nov .pdf
      • 09:15
        Run3 Analysis User Support in US ATLAS 15m

        Presentation about ongoing and planned user support for Run3

        Speakers: Amber Roepe-Gier (University of California,Santa Cruz (US)), Mike Hance (UC Santa Cruz), Nils Erik Krumnack (Iowa State University (US))
        Krumnack-2022-12-01.pdf
      • 09:30
        Analysis Facility Metrics 15m

        A lightning talk summarizing analysis facility metrics (existing and proposed).

        Speakers: Ilija Vukotic (University of Chicago (US)), Mike Hance (UC Santa Cruz), Nils Erik Krumnack (Iowa State University (US))
        20221201_AFMetrics.pdf
      • 09:45
        How does ServiceX work? 15m
        Speaker: Ilija Vukotic (University of Chicago (US))
        ServiceX - How it works?
    • 10:00 → 10:30
      Break 30m
    • 10:30 → 12:00
      Lightning Talks: Lightning Talks 2

      We will have various lightning talks allowing everyone to describe their work and plans.

      Conveners: Ofer Rind (Brookhaven National Laboratory), Wei Yang (SLAC National Accelerator Laboratory (US))
    • 12:00 → 13:00
      Lunch 1h
    • 13:00 → 15:00
      Breakouts: Breakout Sessions

      Breakout sessions (in parallell)

      Conveners: Robert William Gardner Jr (University of Chicago (US)), Shawn Mc Kee (University of Michigan (US))
      • 13:00
        Container Image Development 1h

        Discuss efforts to provide a coherent plan for container image management (composition, curation, lifecycle management), in particular for the Analysis Facility use cases.

        This breakout will use the alternate room and the following Zoom coordinates:

        https://umich.zoom.us/j/94766135812?pwd=eXVJcTlXTmpCUVBmNnF5MUhmRkF5Zz09

        Speakers: Alexander Undrus (Brookhaven National Laboratory (US)), Doug Benjamin (Brookhaven National Laboratory (US)), Ilija Vukotic (University of Chicago (US)), Shuwei Ye (Brookhaven National Laboratory (US))
        Breakout - Container .pdf
        Link to Google slides
        zoom
      • 13:00
        NET2.1 Status and Planning 1h

        The new operations and leadership team for NET2 could use advice and discussion about best practices, technology and tool options, and other items important to running and managing a Tier-2.

        This breakout will use the same room and Zoom coordinates as the rest of the meeting.

        Speakers: Eduardo Bach (University of Massachusetts (US)), Fred Luehring (Indiana University (US)), Rafael Antonio Lopez, Verena Ingrid Martinez Outschoorn (University of Massachusetts (US)), William Axel Leight (University of Massachusetts Amherst)
        NET 2.1 Detailed Discussion.pdf
      • 14:00
        CIOPS / Federated Operations 1h

        We need to discuss how we are doing federations operations, what tools we are (or should be) using and what issues and concerns are present. A goal should be to determine if changes are required, and, if so, what effort and prototyping might be required.

        This breakout will use the alternate room and the following Zoom coordinates:

        https://umich.zoom.us/j/94766135812?pwd=eXVJcTlXTmpCUVBmNnF5MUhmRkF5Zz09

        Outline for Discussion
        https://docs.google.com/document/d/1c9bF7qIsVylHDQCu0aGyNLT9GmZvw4k81NjVjAtAUfg/edit?usp=sharing

        Speakers: Ilija Vukotic (University of Chicago (US)), Ofer Rind (Brookhaven National Laboratory)
        SLATE update
      • 14:00
        K8s (Kubernetes) Distributions, Deployments and Monitoring 1h

        Focused discussion K8s cluster administration and best practices for service deployment and operation.

        This breakout will use the same room and Zoom coordinates as the main meeting.

        Speakers: Christopher Henry Hollowell (Brookhaven National Laboratory (US)), Fengping Hu (University of Chicago (US))
        bnl_okd.pdf
        k8s_discussion.pdf
        K8s distribution, Deployment.pdf
    • 15:00 → 15:30
      Break 30m

      Break for discussion, coffee/tea? and to allow breakout conveners to summarize their sessions.

    • 15:30 → 16:45
      Breakout Plenary

      Discuss / summarize the breakout sessions, highlighting things for the whole group.

      • 15:30
        Breakout Session NET2.1 Summary and Discussion 20m

        We will have the breakout conveners present a quick summary and introduction topics for discussion.

        Speakers: Fred Luehring (Indiana University (US)), Rafael Antonio Lopez, Verena Ingrid Martinez Outschoorn (University of Massachusetts (US))
        NET2.1 Breakout Summary
      • 15:50
        Breakout Session on Containerization Summary and Discussion 15m

        We will have the breakout conveners present a quick summary and introduction topics for discussion.

        Speakers: Alexander Undrus (Brookhaven National Laboratory (US)), Doug Benjamin (Brookhaven National Laboratory (US)), Ilija Vukotic (University of Chicago (US)), Shuwei Ye (Brookhaven National Laboratory (US))
        Containerization Breakout Summary
      • 16:05
        Breakout Session on K8s Summary and Discussion 15m

        We will have the breakout conveners present a quick summary and introduction topics for discussion.

        Speakers: Christopher Henry Hollowell (Brookhaven National Laboratory (US)), Fengping Hu (University of Chicago (US))
        K8s Breakout Summary
      • 16:20
        Breakout Session on CIOPs/Federation Summary and Discussion 25m

        We will have the breakout conveners present a quick summary and introduction topics for discussion.

        Speakers: Ilija Vukotic (University of Chicago (US)), Ofer Rind (Brookhaven National Laboratory)
        FedOps Breakout Summary
    • 16:45 → 17:15
      Lightning Talks

      We will have various lightning talks allowing everyone to describe their work and plans.

      • 16:45
        Storage Cost and Workflows 15m

        Lightning talk about storage planning based on the BNL presentation at the IRIS-HEP Coordinated Ecosystems meeting

        Speaker: Eric Christian Lancon (Brookhaven National Laboratory (US))
        Lancon-WBS2.3-Nov-2022.pdf
      • 17:00
        Optimizing Storage Utilization in the HL-LHC Era 15m

        Update on the BNL LDRD project to design an AI/ML-based, optimized data management system.

        Speaker: Qiulan Huang (Brookhaven National Laboratory (US))
        LDRD for ATLAS.pptx.pdf
    • 18:30 → 20:30
      Workshop Dinner 2h

      Fish Market

      https://www.tripadvisor.com/Restaurant_Review-g32849-d497849-Reviews-The_Fish_Market_Palo_Alto-Palo_Alto_California.html

  • Friday 2 December
    • 08:30 → 10:00
      Workshop Summary and Discussions: Planning Discussions

      We will present on near term plans, results from this workshop and assign follow-up homework, as appropriate.

      Conveners: Robert William Gardner Jr (University of Chicago (US)), Shawn Mc Kee (University of Michigan (US))
      • 08:30
        Tier-2 Procurement Process / Milestones 30m

        Fred will discuss the proposed milestones and procurement process for our Tier-2, leaving time to discuss the main points amongst the facility.

        Speaker: Fred Luehring (Indiana University (US))
        Tier 2 Procurement and Milestones.pdf
      • 09:00
        Facility Data Challenge Planning 30m

        Shawn will summarize what is known about the upcoming WLCG Network Data Challenge and describe possible areas the USATLAS facilities could participate, leaving time for discussion.

        Speaker: Shawn Mc Kee (University of Michigan (US))
        Facility Data Challenge Planning.pdf
      • 09:30
        Extended Discussion Session 30m

        Use this slot to continue discussions about Tier-2 procurement and/or Data Challenge activities from the Facility.

        We could also discuss the timeline and steps for allowing our sites to find the next operating system after RHEL7/CentOS7 becomes deprecated in 2024. Need about 10-15 minutes describing what is known and what critical areas need to be explored. Leave 15-20 minutes for discussion.

        NOTE: We are gathering action items in this Google doc: https://docs.google.com/document/d/1H0hKN3M37RzVJ3DLZK437SIXdLczGCmpUWyc10KTo8Y/edit?usp=sharing

    • 10:00 → 10:30
      Break 30m
    • 10:30 → 11:30
      Workshop Summary and Discussions: Workshop Discussion and Plans 2

      We will present on near term plans, results from this workshop and assign follow-up homework, as appropriate.

      Conveners: Robert William Gardner Jr (University of Chicago (US)), Shawn Mc Kee (University of Michigan (US))
      • 10:30
        Tokens, HTCondor, Storage and our Facilities 30m

        We need to lay out the issues with the evolution of our infrastructure to tokens, replacing x.509. HTCondor 10.x will remove support for x.509 and our sites should already be capable of transitioning to this. However, storage still requires x.509 and the issues around replacing x.509 with tokens should be discussed.

        Brian and Ofer should summarize the issues and lead a discussion on these topics.

        Speakers: Brian Hua Lin (University of Wisconsin - Madison), Ofer Rind (Brookhaven National Laboratory)
        2022-12-02.osg-lhc-atlas-f2f.pdf
        2022-12-02.osg-lhc-atlas-f2f.pptx
      • 11:00
        Workshop Review and Final Discussions 30m

        We need to summarize the workshop and allow follow-up discussions on any remaining topics we weren't able to spend sufficient time on.

        NOTE: Let's use this Google doc to capture facility action items: https://docs.google.com/document/d/1H0hKN3M37RzVJ3DLZK437SIXdLczGCmpUWyc10KTo8Y/edit?usp=sharing

    • 11:30 → 12:00
      Workshop Closeout: Closeout and Homework Assignments
      • 11:30
        Homework and action items 20m

        As a group, define the actions items identified in the meeting, assigning names and timelines when appropriate

      • 11:50
        Closeout 10m
        Speakers: Robert William Gardner Jr (University of Chicago (US)), Shawn Mc Kee (University of Michigan (US))
        slides
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