WLCG Workshop 2017

Name: WLCG Workshop 2017
Start: 2017-06-19T12:00:00+01:00
End: 2017-06-22T17:30:00+01:00
Location: University of Manchester

19 Jun 2017, 12:00 → 22 Jun 2017, 17:30 Europe/London

University of Manchester

Physics Schuster Building Brunswick street, Manchester, UK <a href="http://tinyurl.com/kuekn6u">Map</a>

Description

WLCG workshop in Manchester will cover with some in depth discussion medium term plans and long term developments with particular focus on cooperation with Astronomers in particular with SKA which has a strong presence in Manchester. The workshop will start at lunchtime on Monday June 19th. The main workshop will end on Wednesday afternoon. On Thursday June 22nd there will be an IPv6 workshop, including hands on training. On Thursday afternoon there will be a tour of Jodrell Bank Observatory (JBO - http://www.jodrellbank.net/) for up to 30 people (who register first).

Support

wlcg-workshop-planning@cern.ch

Participants

Abdeslem DJAOUI
Alastair Dewhurst
Alberto Aimar
Alessandra Doria
Alessandra Forti
Alessandro Di Girolamo
Alexandr Mikula
Andrea Manzi
Andrea Sciabà
Andrea Valassi
Andreas Petzold
Andrej Filipcic
Andrew Lahiff
Andrew McNab
Anna Scaife
Antonio Chrysostomou
Aresh Vedaee
Brian `Davies
Catalin Condurache
Catherine Biscarat
Christoph Wissing
Christophe Haen
Daniele Cesini
David Britton
David Cohen
David Crooks
David Kelsey
Dimitrios Christidis
Domenico Elia
Domenico Giordano
Edoardo Martelli
Eric Fede
Evgeny Stambulchik
Federico Stagni
Francesco Prelz
Frederique Chollet
Gavin McCance
Go Iwai
Greg Corbett
Guillaume Philippon
Heejun Yoon
Helge Meinhard
Ian Bird
Ian Collier
Ian Neilson
Janusz Oleniacz
Jens Jensen
Jeremy Coles
Jiri Chudoba
Johannes Elmsheuser
John Gordon
Jose Flix Molina
Jose Hernandez
Julia Andreeva
Katarzyna Dziedziniewicz-Wojcik
Kyle Gross
Latchezar Betev
Laurent Duflot
Liviu Valsan
Maarten Litmaath
Manfred Alef
Manhyung Cho
Marco Cattaneo
Mario Lassnig
Markus Schulz
Martin Barisits
Matthew Viljoen
Mattias Wadenstein
Mihai Ciubancan
Nicholas Rees
Oliver Keeble
Onno Zweers
Peter Clarke
Peter Gronbech
Peter Love
Philippe Charpentier
Preslav Konstantinov
Randall Sobie
Reda Tafirout
Renaud Vernet
Richard Hughes-Jones
Robert Andrew Currie
Robert Frank
Rodney Walker
Roger Jones
Romain Wartel
Ron Trompert
Ryu Sawada
Samuel Skipsey
Seo-Young Noh
Shawn Mc Kee
Simone Campana
Stefan Roiser
Stefan Soldner-Rembold
Stefano Dal Pra
Stephen Jones
Sébastien Gadrat
Terry Froy
Thomas Hartmann
Tigran Mkrtchyan
Tim Bell
Tomoaki Nakamura
Tomoe Kishimoto
Tony Cass
Toru Sugitate
Ulf Tigerstedt
Vincenzo Capone
Vladimir Sapunenko
Xin Zhao

Monday 19 June
- Registration
- Introduction
  - 1
    
    Welcome
    
    Speaker: Stefan Soldner-Rembold (University of Manchester)
  - 2
    
    Logistic
    
    Speaker: Alessandra Forti (University of Manchester (GB))
    
    20170619_logistic.pdf
  - 3
    
    Introduction
    
    Speakers: Ian Bird (CERN), Ian Collier (STFC - Rutherford Appleton Lab. (GB))
    
    WLCG-WorkshopIntro-Man-190617.pdf
    
    WLCG-WorkshopIntro-Man-190617.pptx
- Medium term evolution - Compute
  TOPICS BEING CONSIDERED
  - General review of compute models and commonalities of the LHC experiments. Input from Community White Paper ongoing work.
  - Square Kilometre Array (SKA) Compute model - opportunities for common work
  - Lightweight site review for Compute
  - Mid-SLA compute - running on disk-servers - is there a place for pre-emption in our models to help us make better use of resources?
  - External clouds: how can we make more use of them? Where do they fit in our models? What should we do there? How to procure/access them (via traditional sites or directly)?
  - Use of containers (Singularity / Docker). Operational perspectives.
    
    Replace glExec
    
    Input to kick-off Container WG.
    
    ..merging to security session on containers afterwards.
  Convener: Gavin McCance (CERN)
  - 4
    
    European SKA Regional Centre Compute Model
    
    Speaker: Anna Scaife
    
    AENEAS-ComputeModel-170619.pdf
  - 5
    
    Discussion
  - 6
    
    Review of WLCG experiment compute plans
    
    Speaker: Simone Campana (CERN)
    
    WLCGworkshop-Jun2017-WM.pdf
    
    WLCGworkshop-Jun2017-WM.pptx
  - 7
    
    Discussion
  - 8
    
    Lightweight sites compute - possible models
    
    Speaker: Maarten Litmaath (CERN)
    
    LW-comp-res-v10.pdf
    
    LW-comp-res-v10.pptx
  - 9
    
    Discussion
- 15:00
  
  Coffee
- Medium term evolution - Compute: Medium term evolution - Compute (continuation)
  TOPICS BEING CONSIDERED
  - General review of compute models and commonalities of the LHC experiments. Input from Community White Paper ongoing work.
  - Square Kilometre Array (SKA) Compute model - opportunities for common work
  - Lightweight site review for Compute
  - Mid-SLA compute - running on disk-servers - is there a place for pre-emption in our models to help us make better use of resources?
  - External clouds: how can we make more use of them? Where do they fit in our models? What should we do there? How to procure/access them (via traditional sites or directly)?
  - Use of containers (Singularity / Docker). Operational perspectives.
    
    Replace glExec
    
    Input to kick-off Container WG.
    
    ..merging to security session on containers afterwards.
  Convener: Gavin McCance (CERN)
  - 10
    
    Singularity introduction and use in OSG
    
    Speaker: Brian Paul Bockelman (University of Nebraska-Lincoln (US))
    
    Singularity-on-OSG-WLCG-Workshop-June-2017.pdf
  - 11
    
    Use of containers at RAL Tier-1
    
    Speaker: Andrew David Lahiff (STFC - Rutherford Appleton Lab. (GB))
    
    UseOfContainersAtRALTier1.pdf
  - 12
    
    Discussion
    
    containerwg.pdf
    
    containerwg.pptx
- Medium term evolution - Security and trust
  
  Topics to include:
  Singularity
  Collaboration between security teams
  Ongoing work
  
  Convener: David Crooks (University of Glasgow (GB))
  - 13
    
    Security update [slides for all talks]
    
    Speakers: Liviu Valsan (CERN), Romain Wartel (CERN), Vincent Brillault (CERN)
    
    201706 Wartel Brillault Valsan WLCG WS.pdf
  - 14
    
    Singularity
    
    Speakers: Liviu Valsan (CERN), Vincent Brillault (CERN)
  - 15
    
    Collaboration between security teams
    
    Speaker: Romain Wartel (CERN)
  - 16
    
    Ongoing work
    
    Speaker: Liviu Valsan (CERN)
- 19:30
  
  Reception
Tuesday 20 June
- Medium term evolution - Data
  
  Convener: Oliver Keeble (CERN)
  - 17
    
    Overview & report from Data Steering Group
    
    Speaker: Oliver Keeble (CERN)
    
    Steering.pdf
    
    Steering.pptx
  - 18
    
    Discussion
  - 19
    
    Storage resource reporting
    
    Speaker: Oliver Keeble (CERN)
    
    ResRep.pdf
    
    ResRep.pptx
  - 20
    
    Discussion
  - 21
    
    Object stores
    
    Speaker: Alastair Dewhurst (STFC - Rutherford Appleton Lab. (GB))
    
    WLCGObjectStores20170620.pdf
  - 22
    
    Discussion
- 10:30
  
  Coffee
- Medium term evolution - Data: Medium term evolution - Data (continuation)
  
  Convener: Oliver Keeble (CERN)
  - 23
    
    SKA data management
    
    Speaker: Rosie Bolton
    
    Bolton_WLCG-workshop_SKA_Data_flow.pptx.pdf
  - 24
    
    Site and storage architecture - multi-site storage
    
    Speaker: Tigran Mkrtchyan (DESY)
    
    distributed-dcache.pdf
  - 25
    
    Site and storage architecture - caches
    
    Speaker: Brian Paul Bockelman (University of Nebraska-Lincoln (US))
    
    DataCaches-WLCG-Workshop-June-2017.pdf
  - 26
    
    Site and storage architecture - regional federations
    
    Speaker: Randy Sobie (University of Victoria (CA))
    
    Sobie-WLCG.pdf
  - 27
    
    Site and storage architecture - diskless sites
    
    Speaker: Emmanouil Vamvakopoulos (CC-IN2P3 - Centre de Calcul (FR))
    
    WLCG_2017_DISKLESS_EV_final.pdf
  - 28
    
    Discussion
- 12:30
  
  Lunch
- Medium term evolution - Network: WLCG Network Requirements
  
  We will have a networking session to present-on and discuss medium term networking areas for WLCG (3-5 year time frame). This will include a presentation from SKA about their networking requirements and potential areas for mutual effort, the status and plans for network monitoring and analytics, a set of brief presentations on the experiments requirements and a concluding discussion session covering the needs of the experiments for network monitoring and diagnosis which can also serve as input for finalizing the community white paper to ensure it includes networking needs from WLCG.
  
  Conveners: Shawn Mc Kee (University of Michigan (US)), Tony Cass (CERN)
  - 29
    
    SKA Networking Requirements
    
    I will talk about networks within the telescope, the inter-continental network needs, and the work going on in the AENEAS project which is forming a design for the SKA European Science Data Centre. I will also discuss the basic needs and cover areas of possible collaboration with WLCG on networking.
    
    Speaker: Richard Hughes-Jones (GEANT)
    
    AENEAS-SKA_Networking_WLCG_19-21Jun17_v3.pdf
    
    AENEAS-SKA_Networking_WLCG_19-21Jun17_v3.pptx
  - 30
    
    ATLAS Networking Requirements
    
    ATLAS networking needs for the experiment and the sites.
    
    Speaker: Alastair Dewhurst (STFC - Rutherford Appleton Lab. (GB))
    
    WLCGNetwork20170620.pdf
  - 31
    
    ALICE Network Requirements
    
    Speaker: Latchezar Betev (CERN)
    
    ALICE_network_T2_WLCG_WS_Manchester_2017.pdf
    
    ALICE_network_T2_WLCG_WS_Manchester_2017.pptx
  - 32
    
    CMS Networking Requirements
    
    CMS Networking Requirements
    
    Speaker: Christoph Wissing (Deutsches Elektronen-Synchrotron (DE))
    
    CMS-Networking.pdf
  - 33
    
    LHCb Networking Requirements
    
    LHCb Networking Requirements
    
    Speaker: Stefan Roiser (CERN)
    
    20170620-WLCGWorkshop-LHCbT2Networking.pdf
  - 34
    
    WLCG Network Monitoring and Analytics
    
    We will present on the status and plans for WLCG network monitoring and analytics. The goal is to identify missing requirements from the experiments and sites as well as missing effort to deliver on the requirements.
    
    Speaker: Shawn Mc Kee (University of Michigan (US))
    
    WLCG_workshop-networking.pdf
    
    WLCG_workshop-networking.pptx
  - 35
    
    Network Monitoring and Debugging Discussion
    
    Discussion of network monitoring and diagnosis
    
    WLCG_workshop-networking-discussion.pdf
    
    WLCG_workshop-networking-discussion.pptx
- 15:30
  
  Coffee
- Efficiency and cost
  
  Short introductions to three related topics with sufficient room for discussions
  
  Convener: Markus Schulz (CERN)
  
  Intro.pdf
  
  Intro.pptx
  - 36
    
    Cost Models
    
    To be able to predict the needs of computing and to understand which type of resources contribute to the overall costs, several models have been developed and are in use. Can we build models based on a common approach between the experiments and to what detail do we need to go? Short presentation followed by a discussion.
    
    Speaker: Jose Flix Molina (Centro de Investigaciones Energéti cas Medioambientales y Tecno)
    
    WLCG_Costs_Models.pdf
  - 37
    
    Bringing improvements into production
    
    In our community we often observe a significant latency between the proof of concept of an improvement and the exploitation in production, while we often react to emergencies swiftly. Do we understand the underlying causes and what could be done to benefit more timely from improvements? Short presentation followed by a lively discussion.
    
    Speaker: Johannes Elmsheuser (Brookhaven National Laboratory (US))
    
    m_200617.pdf
  - 38
    
    Exchanging and disseminating knowledge
    
    In many places, conferences, summer schools, workshops over many years findings on performance and efficiency are presented and techniques and tools are taught. There is a lot of knowledge and experience in our community, however this knowledge is fragmented and often web searches are the way to connect these sources. To achieve the improvements to successfully face the HL-LHC challenges this knowledge needs to more easily accessible and made usable for contributors at all levels. How can we achieve this? Very short presentation followed by a discussion and hopefully a seed for a plan.
    
    Speaker: Markus Schulz (CERN)
    
    20170620-WLCGWorkshop-LHCbOptimization.pdf
    
    SharingAndTeaching.pdf
    
    SharingAndTeaching.pptx
- 19:30
  
  Conference Dinner
Wednesday 21 June
- Collaboration board
  
  Rutherford lecture theatre
  
  Convener: Roger Jones (Lancaster University (GB))
  - 39
    
    Project Leader's report
    
    Speaker: Ian Bird (CERN)
  - 40
    
    Update on HNSciCloud
  - 41
    
    The Scientific Computing Forum
  - 42
    
    Relationship with other proejcts, including SKA
- Discussion with Astronomers
  
  Moseley room
  
  Convener: Anna Scaife (University of Manchester)
- Operational tools, benchmarking, accounting, monitoring, etc...: Benchmarking discussion
  
  Conveners: Domenico Giordano (CERN), Jose Flix Molina (Centro de Investigaciones Energéti cas Medioambientales y Tecno)
  - 43
    
    Status report from Benchmarking Working Group
    
    Speaker: Domenico Giordano (CERN)
    
    WLCG_Workshop_2017_benchmarking_giordano.pdf
  - 44
    
    Benchmarking discussion (with panellists)
    
    Speakers: Alessandra Forti (University of Manchester (GB)), Andrew McNab (University of Manchester), Betev Latchezar (CERN), Jose Flix Molina (Centro de Investigaciones Energéti cas Medioambientales y Tecno), Manfred Alef (Karlsruhe Institute of Technology (KIT))
    
    WLCG_Workshop_2017_benchmarking_survey.pdf
- 12:30
  
  Lunch
- Operational tools, benchmarking, accounting, monitoring, etc...: Monitoring
  
  Conveners: Alberto Aimar (CERN), Jose Flix Molina (Centro de Investigaciones Energéti cas Medioambientales y Tecno)
  - 45
    
    Status, plans of WLCG Unified Monitoring
    
    Speaker: Alberto Aimar (CERN)
    
    MONIT_Summary_Slides.pdf
    
    MONIT_Summary_Slides.pptx
  - 46
    
    ElasticSearch Service at CERN
    
    Speaker: Ulrich Schwickerath (CERN)
    
    elastic.pdf
  - 47
    
    Monitoring in Experiments (Summary)
    
    Speaker: Alberto Aimar (CERN)
    
    Experiments_Summary_Slides.pdf
    
    Experiments_Summary_Slides.pptx
  - 48
    
    Q&A
- Operational tools, benchmarking, accounting, monitoring, etc...: IS evolution and storage space accounting
  
  Conveners: Jose Flix Molina (Centro de Investigaciones Energéti cas Medioambientales y Tecno), Julia Andreeva (CERN)
  - 49
    
    Information System Evolution
    
    Speaker: Julia Andreeva (CERN)
    
    ISEvolutionWLCGWS.pdf
    
    ISEvolutionWLCGWS.pptx
  - 50
    
    CRIC
    
    Speaker: Alessandro Di Girolamo (CERN)
    
    CRIC at WLCG wrkshp June 2017.pdf
  - 51
    
    Storage Space Accounting - Introduction
    
    Speaker: Julia Andreeva (CERN)
    
    StorageSpaceAccountingWLCGWS.pdf
    
    StorageSpaceAccountingWLCGWS.pptx
  - 52
    
    Storage Space Accounting - Prototype
    
    Speaker: Mr Dimitrios Christidis (University of Patras (GR))
    
    WLCG Storage Space Accounting Prototype.pdf
- 53
  
  Coffee
- Introduction: IPv6 Introduction
  
  Conveners: Andrea Sciaba (CERN), Dave Kelsey (STFC - Rutherford Appleton Lab. (GB))
  - 54
    
    WLCG and IPv6
    
    Speakers: Alastair Dewhurst (STFC - Rutherford Appleton Lab. (GB)), Andrea Sciaba (CERN)
    
    IPv6WLCGWorkshop20170621.pdf
  - 55
    
    An introduction to IPv6
    
    Speaker: Mr Terry Froy (Queen Mary University of London)
    
    20170621-wlcg-introductiontoipv6.pdf
  - 56
    
    Deploying IPv6
    
    Speaker: Francesco Prelz (Università degli Studi e INFN Milano (IT))
    
    Slides
  - 57
    
    DHCPv6 at CERN
    
    Speaker: Edoardo Martelli (CERN)
    
    WLCG-20170621-IPv6-training-DHCPv6.odp
    
    WLCG-20170621-IPv6-training-DHCPv6.pdf
  - 58
    
    Hands-on preparation
Thursday 22 June
- IPv6 Tutorial
  
  Conveners: Andrea Sciaba (CERN), Dave Kelsey (STFC - Rutherford Appleton Lab. (GB))
  - 59
    
    Preliminary steps
    
    Speaker: Mr Terry Froy (Queen Mary University of London)
    
    20170621-wlcg-preliminarysteps.pdf
  - 60
    
    Data transfer exercise
    
    Speaker: Ulf Bobson Severin Tigerstedt (Helsinki Institute of Physics (FI))
    
    foo.pdf
  - 61
    
    perfSonar exercise (installation)
    
    Speaker: Duncan Rand (Imperial College (GB))
    
    WLCG IPv6 training: perfSONAR
- Coffee
- IPv6 Tutorial
  
  Part 2
  
  Conveners: Andrea Sciaba (CERN), Dave Kelsey (STFC - Rutherford Appleton Lab. (GB))
  - 62
    
    perfSonar exercise (configuration)
    
    Speaker: Duncan Rand (Imperial College (GB))
  - 63
    
    squid for Frontier and CVMFS
    
    Speaker: Andrea Sciaba (CERN)
    
    Google doc
    
    HowtoinstallandusesquidforCVMFSandFrontieronIPv6.pdf
- 12:30
  
  Lunch
- Visit to Jodrell Bank